{"title":"System Boilers | Plumbing Supplies","description":"","products":[{"product_id":"worcester-greenstar-4000-18kw-lpg-system","title":"Worcester Greenstar 4000 18kW LPG System","description":"\u003ch3\u003eWorcester Greenstar 4000 18kW LPG System Boiler\u003c\/h3\u003e\n\nThe Worcester Greenstar 4000 18kW System Boiler is a modern, efficient heating solution designed for small to medium-sized homes with one bathroom. As a direct upgrade to the Greenstar 18Ri, it delivers reliable central heating and hot water while keeping running costs low. Its sleek, contemporary design and full-colour display make it easy to operate, while its quiet operation ensures minimal disruption in your home.\n\n\u003ch3\u003eEfficient Heating with Modern Features\u003c\/h3\u003e\n\nThe Greenstar 4000 combines a wide power range with exceptional efficiency, helping to reduce gas consumption and lower energy bills. Its wall-mounted design is suitable for homes with a hot water storage cylinder and can also be paired with Greenskies solar panels for further energy savings. The boiler’s quiet operation makes it unobtrusive, and wireless connectivity with Bosch EasyControl allows you to manage your heating conveniently from your smartphone. With an ErP rating of A, it’s both environmentally friendly and cost-effective.\n\n\u003ch3\u003ePractical and User-Friendly\u003c\/h3\u003e\n\nThis 18kW system boiler is designed to fit seamlessly into your home, with compact dimensions (724mm H x 400mm W x 310mm D) and a lightweight frame of 30.6 kg. The full-colour text display makes adjusting settings simple, while built-in controls allow you to fine-tune your heating and hot water with ease.\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e - **Brand:** Worcester Bosch - **Model:** Greenstar 4000 18kW LPG System - **Fuel Type:** Natural Gas \/ LPG Compatible - **Boiler Type:** System Boiler - **Heat Output:** 18 kW - **Efficiency:** ErP A-rated - **Mounting Type:** Wall-mounted - **Dimensions:** 724mm H x 400mm W x 310mm D - **Weight:** 30.6 kg - **Warranty:** 7 years - **EAN:** 4057749856708 - **MPN\/Product Code:** 7733600381 \/ PN183938 \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e \u003ch4\u003eIs the Greenstar 4000 suitable for small homes?\u003c\/h4\u003e Yes, with an 18kW output, it’s ideal for small to medium-sized homes with one bathroom, providing efficient heating and hot water. \u003ch4\u003eCan it work with solar panels?\u003c\/h4\u003e Yes, it can be used with **Greenskies solar panels** to help save energy and reduce household bills. \u003ch4\u003eDoes it have smart control options?\u003c\/h4\u003e Yes, the boiler features wireless connectivity with **Bosch EasyControl**, allowing you to control your heating conveniently from your smartphone. \u003ch4\u003eHow long is the warranty?\u003c\/h4\u003e The Greenstar 4000 comes with a **7-year guarantee**, providing peace of mind and long-term reliability when installed by a certified installer.\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/plumbing-supplies\"\u003eplumbing supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/boilers\"\u003eboilers\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Worcester","offers":[{"title":"Default Title","offer_id":51771445182806,"sku":"146799","price":1377.72,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/worcester-greenstar-4000-18kw-lpg-system-5771243.jpg?v=1772639588"},{"product_id":"worcester-greenstar-life-30kw-system-white-lpg","title":"Worcester Greenstar Life 30kw System White LPG","description":"\u003ch3\u003eWorcester Greenstar Life 30kW System White LPG\u003c\/h3\u003e\n\nThe Worcester Greenstar Life 30kW System White LPG Boiler is a high-performance wall-mounted system boiler, designed for small to medium-sized homes with a heating system that includes a hot water storage cylinder. Building on the trusted Greenstar CDi Classic, this boiler offers a sleek modern design, enhanced efficiency, and improved installation features for a hassle-free experience.\n\n\u003ch3\u003eEfficient, Eco-Friendly Heating\u003c\/h3\u003e\n\nThis boiler delivers ErP A-rated efficiency, helping to reduce energy bills while providing consistent central heating and hot water. Equipped with a low energy modulating pump, it optimises energy use, while built-in frost protection safeguards the system during colder months. It’s also compatible with solar water heating systems, offering an environmentally friendly solution for your home.\n\n\u003ch3\u003eEasy Installation and Smart Features\u003c\/h3\u003e\n\nThe Greenstar Life 30kW comes pre-wired and pre-plumbed with a majority of components built into the boiler, making installation faster and simpler. Features like an automatic gas valve, direct burner ignition electrodes, modulating combustion air fan, and built-in fault-finding diagnostics ensure reliable operation and easy maintenance.\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e - **Brand:** Worcester Bosch - **Model:** Greenstar 8000 Life 30kW System White LPG (GR8300iW 30 S) - **Boiler Type:** Wall-mounted System Boiler - **Heat Output:** 30 kW - **Mounting:** Wall-mounted - **Efficiency:** ErP A-rated - **Fuel Type:** LPG - **Features:** Pre-wired\/pre-plumbed, digital control system, low energy modulating pump, frost protection, fault-finding diagnostics, solar compatible - **Warranty:** 8 years - **Installation:** Requires a hot water storage cylinder \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e \u003ch4\u003eIs the Greenstar Life 30kW suitable for homes with a hot water cylinder?\u003c\/h4\u003e Yes, this system boiler is designed to work with a hot water cylinder, providing reliable heating and hot water for small to medium-sized homes. \u003ch4\u003eCan it be installed quickly and easily?\u003c\/h4\u003e Yes, it comes **pre-wired and pre-plumbed** with most components built into the boiler, allowing for faster and simpler installation. \u003ch4\u003eDoes it have frost protection?\u003c\/h4\u003e Yes, built-in frost protection reduces the risk of freezing, making it suitable for colder areas or loft installations. \u003ch4\u003eIs it compatible with solar heating?\u003c\/h4\u003e Yes, the boiler is compatible with **solar water heating systems**, allowing you to supplement your energy use and reduce costs.\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/plumbing-supplies\"\u003eplumbing supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/boilers\"\u003eboilers\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Worcester","offers":[{"title":"Default Title","offer_id":51771445870934,"sku":"162758","price":1480.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/worcester-greenstar-life-30kw-system-white-lpg-9219212.jpg?v=1772639533"},{"product_id":"worcester-greenstar-4000-24kw-lpg-system","title":"Worcester Greenstar 4000 24kW LPG System","description":"\u003ch3\u003eWorcester Greenstar 4000 24kW LPG System\u003c\/h3\u003e\n\nThe Worcester Greenstar 4000 24kW LPG System Boiler is a high-performance wall-mounted system boiler designed for medium-sized homes with one or more bathrooms. As the direct upgrade to the Greenstar 24Ri LPG, it combines modern design, exceptional quietness, and efficient operation to deliver reliable heating and hot water.\n\n\u003ch3\u003eEfficient and Powerful Heating\u003c\/h3\u003e\n\nWith a 24kW heat output, this system boiler is ideal for homes where the heating system includes a hot water storage cylinder. Its wide power range helps reduce gas consumption and lower energy bills while providing consistent heating throughout the home. The ErP A-rated efficiency ensures cost-effective performance and environmentally friendly operation.\n\n\u003ch3\u003eModern Design and Easy Control\u003c\/h3\u003e\n\nFeaturing a full-colour text display, the Greenstar 4000 makes daily operation simple and intuitive. It also supports wireless connectivity with the Bosch EasyControl, allowing smart, remote control of your heating for greater convenience. The boiler’s sleek, modern design ensures it fits seamlessly into any home environment.\n\n\u003ch3\u003eAdditional Features\u003c\/h3\u003e\n\nExceptionally quiet operation, making it unobtrusive in your home\n\nCompatible with Greenskies solar panels for energy savings\n\nCompact dimensions: 724mm H x 400mm W x 310mm D\n\nLightweight at 30.6 kg, simplifying installation\n\n5-year manufacturer’s guarantee for peace of mind\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e - **Brand:** Worcester Bosch - **Model:** Greenstar 4000 24kW LPG System - **Boiler Type:** System Boiler - **Heat Output:** 24 kW - **Fuel Type:** LPG - **Mounting:** Wall-mounted - **Efficiency:** ErP A-rated - **Dimensions:** 724mm H x 400mm W x 310mm D - **Warranty:** 5 years - **MPN:** 7733600386 - **Product Code:** PN183945 \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e \u003ch4\u003eIs the Greenstar 4000 24kW suitable for medium-sized homes?\u003c\/h4\u003e Yes, with a 24kW heat output, it is ideal for medium-sized properties with one or more bathrooms. \u003ch4\u003eCan it work with a hot water cylinder?\u003c\/h4\u003e Yes, this is a system boiler designed to work with a hot water storage cylinder. \u003ch4\u003eIs it energy-efficient?\u003c\/h4\u003e Yes, it is **ErP A-rated**, helping to reduce fuel bills and lower your environmental impact. \u003ch4\u003eCan it be controlled remotely?\u003c\/h4\u003e Yes, it features wireless compatibility with the **Bosch EasyControl**, allowing smart heating management from anywhere.\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/plumbing-supplies\"\u003eplumbing supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/boilers\"\u003eboilers\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Worcester","offers":[{"title":"Default Title","offer_id":51771446067542,"sku":"146803","price":1496.24,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/worcester-greenstar-4000-24kw-lpg-system-1421133.jpg?v=1772639534"},{"product_id":"worcester-greenstar-27-i-erp-lpg-system","title":"Worcester Greenstar 27 i ErP LPG System","description":"\u003ch3\u003eWorcester Greenstar 27i ErP LPG System\u003c\/h3\u003e\n\nThe Worcester Greenstar 27i ErP LPG System Boiler is a versatile wall-mounted system boiler designed for small to large homes with stored hot water cylinders. Combining efficiency, reliability, and ease of installation, it provides consistent heating and hot water while fitting neatly into a range of property types.\n\n\u003ch3\u003eEfficient Heating and Hot Water\u003c\/h3\u003e\n\nWith a heat output of 27kW and 92,000 BTU, this LPG system boiler is suitable for properties with varying heating demands. Its 90.1% SEDBUK A-rated efficiency ensures fuel is used effectively, helping to reduce energy bills while providing warm, comfortable heating throughout the home.\n\n\u003ch3\u003eCompact Design and Easy Installation\u003c\/h3\u003e\n\nWeighing just 25kg, the Greenstar 27i is a true one-person lift, making installation simpler and safer. Its compact dimensions (680 x 390 x 280mm) allow flexible siting, while the steel wall-mounting jig provides space for pipework behind the boiler. Pre-piping the system before the boiler is installed makes setup quick and efficient.\n\n\u003ch3\u003eBuilt-In Reliability and Control\u003c\/h3\u003e\n\nThis model features an integrated expansion vessel and pump, reducing installation complexity and improving performance. It is compatible with a wide range of optional digital controls, allowing homeowners to tailor their heating system to their lifestyle. The boiler also comes with a 5-year manufacturer’s warranty for peace of mind.\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e - **Brand:** Worcester Bosch - **Model:** Greenstar 27i ErP LPG System (7733600061) - **Boiler Type:** Wall-mounted System Boiler - **Heat Output:** 27 kW - **Fuel Type:** LPG - **Efficiency:** 90.1% SEDBUK, ErP A-rated - **Mounting:** Wall-mounted - **Dimensions:** 680mm H x 390mm W x 280mm D - **Weight:** 27.3 kg - **Warranty:** 5 years - **Colour:** White - **Fitting Location:** Internal \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e \u003ch4\u003eIs the Greenstar 27i suitable for small and large homes?\u003c\/h4\u003e Yes, with a 27kW heat output, it works well for a wide range of properties that use stored hot water cylinders. \u003ch4\u003eCan it be installed by one person?\u003c\/h4\u003e Yes, at just 25kg, it is light enough for a single installer to lift safely. \u003ch4\u003eIs it energy-efficient?\u003c\/h4\u003e Yes, it is **90.1% SEDBUK efficient** and **ErP A-rated**, helping to reduce fuel bills. \u003ch4\u003eDoes it include an expansion vessel and pump?\u003c\/h4\u003e Yes, both are built into the boiler for simplified installation. \u003ch4\u003eWhat warranty is included?\u003c\/h4\u003e It comes with a **5-year manufacturer’s warranty** as standard.\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/plumbing-supplies\"\u003eplumbing supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/boilers\"\u003eboilers\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Worcester","offers":[{"title":"Default Title","offer_id":51771446427990,"sku":"146782","price":1539.79,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/worcester-greenstar-27-i-erp-lpg-system-6085080.jpg?v=1772639532"},{"product_id":"worcester-greenstar-life-30kw-system-white","title":"Worcester Greenstar Life 30kw System White","description":"\u003ch3\u003eWorcester Greenstar Life 30kW System White\u003c\/h3\u003e\n\nThe Worcester Bosch Greenstar 8000 Life 30kW System Boiler is a compact, wall-mounted condensing gas boiler designed for homes with multiple bathrooms or higher hot water demands. Combining modern design, high efficiency, and advanced technology, it provides reliable central heating and hot water while being easy to install and maintain.\n\n\u003ch3\u003eHigh Efficiency and Cost Savings\u003c\/h3\u003e\n\nThis boiler has a seasonal efficiency of 94%, giving it an ErP A-rating for heat. Its efficient design helps lower energy bills, while an increased modulation ratio of 1:10 optimises fuel usage and reduces unnecessary cycling, extending the boiler’s lifespan.\n\n\u003ch3\u003eSuitable for Homes with Multiple Radiators\u003c\/h3\u003e\n\nWith a central heating output of 30kW, the Greenstar 8000 Life can comfortably heat homes with up to 20 radiators. As a system boiler, it works with a sealed hot water storage cylinder, making it ideal for properties with two or more bathrooms.\n\n\u003ch3\u003eSmart, User-Friendly Controls\u003c\/h3\u003e\n\nThis model features a push-button LCD display with full-colour text, allowing intuitive navigation and control over advanced settings. It is compatible with Bosch EasyControl and features the Greenstar Intelligent Filling System, automatically maintaining optimum pressure without manual intervention.\n\n\u003ch3\u003eCompact and Easy to Service\u003c\/h3\u003e\n\nMeasuring just 780 x 440 x 365mm (HxWxD), it is compact enough to fit in small spaces while remaining accessible. The removable front, top, and side panels provide easy access to all internal components, helping to save time and money during installation or future servicing.\n\n\u003ch3\u003eModern Design and Reliability\u003c\/h3\u003e\n\nAvailable in high-gloss white, the Greenstar 8000 Life combines style with performance. Lightweight yet robust, it is designed for easy installation. The boiler comes with a 5-year standard warranty, extendable to 12 years when installed by a Worcester Bosch Accredited Installer, reflecting the brand’s confidence in the product.\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e - **Brand:** Worcester Bosch - **Model:** Greenstar 8000 Life 30kW System White - **Boiler Type:** Wall-mounted System Boiler - **Heat Output:** 30 kW - **Fuel Type:** LPG \/ Natural Gas - **Efficiency:** 94%, ErP A-rated - **Mounting:** Wall-mounted - **Dimensions:** 780mm H x 440mm W x 365mm D - **Warranty:** 5 years standard, up to 12 years with accredited installer - **Colour:** White \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e \u003ch4\u003eIs the Greenstar 8000 Life 30kW suitable for multiple bathrooms?\u003c\/h4\u003e Yes, it works with a hot water storage cylinder, making it ideal for homes with two or more bathrooms. \u003ch4\u003eCan it be installed in a small space?\u003c\/h4\u003e Yes, its compact dimensions and wall-mounted design allow installation in kitchens, utility rooms, or other small areas. \u003ch4\u003eDoes it support smart controls?\u003c\/h4\u003e Yes, it is compatible with **Bosch EasyControl** and features an intelligent filling system to maintain optimum pressure automatically. \u003ch4\u003eIs it energy-efficient?\u003c\/h4\u003e Yes, with **94% seasonal efficiency** and an **ErP A-rating**, it helps reduce fuel bills and improve overall efficiency. \u003ch4\u003eWhat warranty does it come with?\u003c\/h4\u003e The boiler has a **5-year standard warranty**, extendable to **12 years** when installed by a Worcester Bosch Accredited Installer.\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/plumbing-supplies\"\u003eplumbing supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/boilers\"\u003eboilers\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Worcester","offers":[{"title":"Default Title","offer_id":51771446460758,"sku":"146780","price":1459.23,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/worcester-greenstar-life-30kw-system-white-9801161.jpg?v=1772639531"},{"product_id":"worcester-greenstar-4000-12kw-system","title":"Worcester Greenstar 4000 12kW System","description":"\u003ch3\u003eWorcester Greenstar 4000 12kW System Boiler\u003c\/h3\u003e\n\nThe Worcester Greenstar 4000 12kW System Boiler is a compact, highly efficient heating solution designed for small to medium-sized homes with one bathroom. As the direct upgrade to the Greenstar 12Ri, it combines modern design, quiet operation, and user-friendly controls, making it ideal for homes where space and convenience are priorities.\n\n\u003ch3\u003eEfficient Heating for Small Homes\u003c\/h3\u003e\n\nWith a heat output of 12kW and an ErP A rating, this boiler delivers reliable heating and hot water while helping to lower energy bills. Its wide modulation range allows the boiler to operate efficiently at lower demands, ensuring comfort without wasting fuel.\n\n\u003ch3\u003eUser-Friendly Design\u003c\/h3\u003e\n\nThe Greenstar 4000 features a full-colour text display for simple operation and intuitive control. It is also wirelessly compatible with Bosch EasyControl, allowing you to manage your heating and hot water from anywhere. Compact dimensions make it easy to fit in tight spaces without compromising performance.\n\n\u003ch3\u003eQuiet and Sustainable\u003c\/h3\u003e\n\nThis system boiler is one of Worcester’s quietest, making it ideal for installation in living areas. It is also compatible with Greenskies solar panels, allowing homeowners to save on energy costs while reducing their environmental footprint.\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e - **Brand:** Worcester Bosch - **Model:** Greenstar 4000 12kW System - **Boiler Type:** System Boiler, Wall-mounted - **Heat Output:** 12 kW - **Fuel Type:** Natural Gas - **Colour:** White - **Dimensions:** 724 x 400 x 310 mm (HxWxD) - **Weight:** 30.6 kg - **ErP Rating:** A - **Warranty:** 7 years \u003ch3\u003eKey Features\u003c\/h3\u003e - Wide modulation range for lower energy consumption - Full-colour text display for easy operation - Extremely quiet system boiler - Compatible with Bosch EasyControl for wireless operation - Suitable for systems with hot water storage cylinders - Compatible with Greenskies solar panels for energy savings \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e \u003ch4\u003eIs this boiler suitable for small homes?\u003c\/h4\u003e Yes, with a **12kW output**, it is ideal for homes with one bathroom and moderate heating demands. \u003ch4\u003eCan I control the boiler remotely?\u003c\/h4\u003e Yes, it is compatible with **Bosch EasyControl**, allowing remote management via smartphone or tablet. \u003ch4\u003eIs it energy-efficient?\u003c\/h4\u003e Absolutely. With an **ErP A rating** and a wide power range, it is designed to optimize fuel use and lower energy bills. \u003ch4\u003eIs it quiet?\u003c\/h4\u003e Yes, it is one of Worcester’s quietest system boilers, making it unobtrusive in living areas. \u003ch4\u003eCan it work with solar panels?\u003c\/h4\u003e Yes, it is compatible with **Greenskies solar panels** for additional energy savings.\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/plumbing-supplies\"\u003eplumbing supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/boilers\"\u003eboilers\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Worcester","offers":[{"title":"Default Title","offer_id":51771446788438,"sku":"146794","price":1173.08,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/worcester-greenstar-4000-12kw-system-4843969.jpg?v=1772639534"},{"product_id":"worcester-greenstar-4000-24kw-system","title":"Worcester Greenstar 4000 24kW System","description":"\u003ch3\u003eWorcester Greenstar 4000 24kW System Boiler\u003c\/h3\u003e\n\nThe Worcester Greenstar 4000 24kW System Boiler is a highly efficient, compact, and lightweight system boiler ideal for medium to large-sized homes with a heating system that includes a hot water storage cylinder. Part of the Greenstar 4000 range, it delivers reliable performance, easy installation, and excellent energy efficiency.\n\n\u003ch3\u003eCompact and Efficient\u003c\/h3\u003e\n\nWith a central heating output of 24kW and an ErP A rating for heating, this boiler provides sufficient heat for medium to large properties while helping to reduce fuel consumption. Its compact dimensions and lightweight design allow for flexible installation in a variety of locations.\n\n\u003ch3\u003eEasy to Install and Maintain\u003c\/h3\u003e\n\nThe Greenstar 4000 24kW comes with a built-in pump and expansion vessel, and a plug-in optional diverter valve for added convenience. Its design makes installation straightforward, while compatibility with a wide range of optional controls ensures comfort and efficiency tailored to your home.\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e - Compact, space-saving dimensions for versatile installation - Built-in pump and expansion vessel - Optional plug-in diverter valve for flexible system configuration - Wide range of optional digital and programmable controls - Energy-efficient with **ErP A-rated heating** - Lightweight for easier handling during installation \u003ch3\u003eTechnical Specifications\u003c\/h3\u003e - **Brand:** Worcester Bosch - **Model:** Greenstar 4000 24kW System - **Boiler Type:** Gas System Boiler, Wall-mounted - **Heat Output:** 24 kW - **Fuel Type:** Natural Gas - **Dimensions:** 724 x 400 x 310 mm (HxWxD) - **Weight:** 33.2 kg (gross) - **ErP Heating Rating:** A - **Warranty:** 7 years (subject to manufacturer’s terms) \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e \u003ch4\u003eIs this boiler suitable for larger homes?\u003c\/h4\u003e Yes, with a **24kW output**, it is ideal for medium to large-sized homes with a hot water storage cylinder. \u003ch4\u003eDoes it come with a pump and expansion vessel?\u003c\/h4\u003e Yes, both are **built-in**, simplifying installation and reducing the need for additional components. \u003ch4\u003eCan I use optional controls?\u003c\/h4\u003e Yes, the Greenstar 4000 24kW supports a wide range of **optional digital and programmable controls** for added comfort and energy savings. \u003ch4\u003eIs it energy-efficient?\u003c\/h4\u003e Absolutely, it has an **ErP A rating for heating**, helping to reduce fuel consumption and energy bills. \u003ch4\u003eHow long is the warranty?\u003c\/h4\u003e The boiler comes with a **7-year warranty** subject to the manufacturer’s terms and conditions.\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/plumbing-supplies\"\u003eplumbing supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/boilers\"\u003eboilers\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Worcester","offers":[{"title":"Default Title","offer_id":51771446821206,"sku":"146802","price":1420.26,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/worcester-greenstar-4000-24kw-system-2066096.jpg?v=1772639539"},{"product_id":"worcester-greenstar-30-i-erp-lpg-system","title":"Worcester Greenstar 30 i ErP LPG System","description":"\u003ch3\u003eWorcester Bosch Greenstar 30i ErP LPG System Boiler\u003c\/h3\u003e\n\nThe Worcester Bosch Greenstar 30i ErP LPG System Boiler is one of Worcester’s most popular and trusted wall-mounted system boilers — now available for LPG (liquefied petroleum gas) installations. Designed for reliability, efficiency, and ease of installation, it’s an excellent choice for homes off the mains gas network that still want premium Worcester Bosch performance.\n\nThis lightweight, 30kW LPG system boiler delivers outstanding heating efficiency and simple operation, all within a compact, modern design. With its ErP A rating, it helps lower energy bills while reducing carbon emissions — and when paired with a Worcester Wave smart control, it can achieve an impressive A+ ErP efficiency rating.\n\n\u003ch3\u003eEasy Installation and Maintenance\u003c\/h3\u003e\n\nThe Greenstar 30i has been designed with installers in mind. A robust steel wall-mounting jig allows for pipes to be neatly routed behind the boiler, while the ability to pre-pipe all connections before installation makes setup quicker and more convenient.\n\nA single-panel front cover provides easy access for servicing, and key components like the fan and expansion tank are simple to remove and maintain. The built-in large siphon also helps prevent condensate pipe freezing — a thoughtful feature for colder climates.\n\n\u003ch3\u003eEfficient, Smart, and Reliable\u003c\/h3\u003e\n\nThis LPG system boiler offers dependable performance and smooth integration with Worcester’s optional plug-and-play digital controls, allowing for greater comfort and efficiency. With adjustable flow temperatures and an intuitive control panel, it’s easy for homeowners to manage their heating.\n\nThe Greenstar 30i also includes a homeowner service reminder and detailed commissioning information, making life easier for both installers and users. Combined with a 5-year manufacturer’s guarantee, it’s a boiler built for long-term peace of mind.\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\nSpecification\tDetails\nBrand\tWorcester Bosch\nModel\tGreenstar 30i ErP LPG System\nType\tCondensing System Boiler\nFuel Type\tLPG\nOutput\t30kW (102,000 BTU)\nMounting\tWall-hung\nColour\tWhite\nErP Rating\tA (A+ with Wave control)\nWeight\t27.3kg\nDimensions (HxWxD)\t680 x 390 x 280mm\nFitting Location\tInternal\nMPN\t7733600063\nEAN\t4054925619119\nProduct Code\tPN143194\nWarranty\t5 years\n\u003ch3\u003eWhy Choose the Worcester Bosch Greenstar 30i ErP LPG System?\u003c\/h3\u003e\n\nCompact, efficient, and built to last — the Worcester Greenstar 30i LPG System Boiler is a smart heating solution for homes that rely on LPG fuel. With simple installation, intelligent controls, and trusted Worcester Bosch quality, it delivers reliable warmth and comfort throughout your home while keeping running costs low.\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003e1. Is the Worcester Greenstar 30i LPG System suitable for my home?\u003c\/h4\u003e\n\nYes — the 30kW output makes this model ideal for medium to large homes with multiple radiators and a separate hot water cylinder. It’s perfect for properties that use LPG fuel rather than mains gas.\n\n\u003ch4\u003e2. What’s the difference between a system boiler and a combi boiler?\u003c\/h4\u003e\n\nA system boiler like the Greenstar 30i works with a separate hot water cylinder, making it ideal for homes with higher hot water demand. A combi boiler, on the other hand, provides hot water on demand without a storage cylinder.\n\n\u003ch4\u003e3. How efficient is the Greenstar 30i LPG System Boiler?\u003c\/h4\u003e\n\nThis model has an ErP A efficiency rating, which means it runs very efficiently right out of the box. When paired with a Worcester Wave smart internet-connected control, it can achieve A+ efficiency, helping you reduce both energy bills and emissions.\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/plumbing-supplies\"\u003eplumbing supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/boilers\"\u003eboilers\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Worcester","offers":[{"title":"Default Title","offer_id":51771447476566,"sku":"146783","price":1583.35,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/worcester-greenstar-30-i-erp-lpg-system-8359501.jpg?v=1772639474"},{"product_id":"worcester-greenstar-4000-15kw-system","title":"Worcester Greenstar 4000 15kW System","description":"\u003ch3\u003eWorcester Greenstar 4000 15kW System Boiler\u003c\/h3\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eWorcester Greenstar 4000 15kW System Boiler\u003c\/strong\u003e is the direct upgrade to its predecessor, the Greenstar 15Ri, designed for small to medium-sized homes with one bathroom. Combining modern aesthetics with practical functionality, it delivers reliable heating and hot water while remaining exceptionally quiet and easy to live with.\u003c\/p\u003e\n\n\u003cp\u003eThis system boiler features a wide power range to meet your heating and hot water needs efficiently. Its full-colour text display makes operation simple and intuitive, while wireless connectivity via \u003cstrong\u003eBosch EasyControl\u003c\/strong\u003e allows for smart, remote management of your heating system. Compatible with Greenskies solar panels, it can help reduce energy consumption and lower household bills.\u003c\/p\u003e\n\n\u003cp\u003eIdeal for homes where the heating system includes a hot water storage cylinder, the Greenstar 4000 15kW combines cutting-edge technology, energy efficiency, and quiet operation. With an \u003cstrong\u003eErP A rating\u003c\/strong\u003e, it’s designed to provide cost-effective and eco-friendly heating solutions for your home.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSystem boiler output: 15kW, ideal for small to medium homes\u003c\/li\u003e\n  \u003cli\u003eFull-colour text display for easy operation\u003c\/li\u003e\n  \u003cli\u003eQuietest system boiler in the Greenstar 4000 range\u003c\/li\u003e\n  \u003cli\u003eWide power range reduces gas consumption and energy bills\u003c\/li\u003e\n  \u003cli\u003eWireless connectivity via Bosch EasyControl for smart management\u003c\/li\u003e\n  \u003cli\u003eCompatible with hot water storage cylinders\u003c\/li\u003e\n  \u003cli\u003eCan be used with Greenskies solar panels for energy savings\u003c\/li\u003e\n  \u003cli\u003eErP A-rated efficiency\u003c\/li\u003e\n  \u003cli\u003eModern, compact design\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\n\u003ch4\u003eIs the Greenstar 4000 15kW suitable for my home?\u003c\/h4\u003e\n\u003cp\u003eYes, with a 15kW output, this boiler is ideal for small to medium-sized homes, especially those with one bathroom and a hot water storage cylinder.\u003c\/p\u003e\n\n\u003ch4\u003eHow energy-efficient is this boiler?\u003c\/h4\u003e\n\u003cp\u003eThe Greenstar 4000 15kW has an \u003cstrong\u003eErP A rating\u003c\/strong\u003e, helping reduce energy consumption and lower running costs.\u003c\/p\u003e\n\n\u003ch4\u003eCan I control this boiler remotely?\u003c\/h4\u003e\n\u003cp\u003eYes, the boiler features wireless connectivity with Bosch EasyControl, allowing you to manage your heating system remotely via a smartphone or tablet.\u003c\/p\u003e\n\n\u003ch4\u003eCan it work with solar water heating systems?\u003c\/h4\u003e\n\u003cp\u003eYes, the Greenstar 4000 15kW is compatible with Greenskies solar panels, helping you maximize energy savings and reduce household costs.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/plumbing-supplies\"\u003eplumbing supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/boilers\"\u003eboilers\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Worcester","offers":[{"title":"Default Title","offer_id":51771448492374,"sku":"146796","price":1231.84,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/worcester-greenstar-4000-15kw-system-5444282.jpg?v=1772639471"},{"product_id":"worcester-greenstar-27-i-erp-system","title":"Worcester Greenstar 27 i ErP System","description":"\u003ch3\u003eWorcester Greenstar 27i ErP System Boiler (Natural Gas)\u003c\/h3\u003e\n\nThe \u003cstrong\u003eWorcester Greenstar 27i ErP System Boiler\u003c\/strong\u003e is designed to deliver reliable, efficient heating for homes of all sizes. Perfect for properties with stored hot water systems, this boiler combines performance, convenience, and energy efficiency in one compact and stylish unit. Built by \u003cstrong\u003eWorcester Bosch\u003c\/strong\u003e, a trusted name in heating technology, the Greenstar 27i offers long-lasting quality and peace of mind for modern households.\n\n\u003ch3\u003eEfficient, Compact and Environmentally Friendly\u003c\/h3\u003e\n\nWith an \u003cstrong\u003eErP A rating\u003c\/strong\u003e, the Worcester Greenstar 27i helps homeowners save on energy bills while reducing environmental impact. Its compact size – measuring just 680mm high, 390mm wide, and 280mm deep – makes it ideal for fitting into smaller spaces without compromising on output. Producing up to \u003cstrong\u003e27 kW of heat\u003c\/strong\u003e, this system boiler delivers excellent performance, even in busy family homes.\n\nThanks to its \u003cstrong\u003elow NOx and CO? emissions\u003c\/strong\u003e, the Greenstar 27i is a responsible choice for anyone looking to reduce their carbon footprint. It’s also compatible with \u003cstrong\u003eGreenskies solar water heating systems\u003c\/strong\u003e and the \u003cstrong\u003eGreenstore range of unvented cylinders\u003c\/strong\u003e, making it an excellent option for households embracing renewable energy solutions.\n\n\u003ch3\u003eSimple Installation and Smart Compatibility\u003c\/h3\u003e\n\nInstallers appreciate the Greenstar 27i for its \u003cstrong\u003erobust steel wall-mounting jig\u003c\/strong\u003e, which allows pipework to be fitted neatly behind the boiler. It’s even possible to \u003cstrong\u003epre-pipe\u003c\/strong\u003e before installation, saving time and reducing disruption during setup.\n\nHomeowners can also enjoy greater control and comfort thanks to its compatibility with \u003cstrong\u003eWorcester Bosch digital controls\u003c\/strong\u003e, enabling effortless temperature management and system optimisation.\n\n\u003ch3\u003eReliable and Built to Last\u003c\/h3\u003e\n\nCrafted for durability and backed by a \u003cstrong\u003e7-year manufacturer’s guarantee\u003c\/strong\u003e, the Worcester Greenstar 27i gives you complete peace of mind. Its high build quality ensures long-term reliability, making it a dependable choice for consistent home heating.\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e \u003ch4\u003eQ1: What type of home is the Worcester Greenstar 27i suitable for?\u003c\/h4\u003e The Greenstar 27i is perfect for small to medium-sized homes with a stored hot water system, as well as larger properties that need efficient central heating and hot water performance. \u003ch4\u003eQ2: Can this boiler work with renewable energy systems?\u003c\/h4\u003e Yes! The 27i System Boiler is fully compatible with \u003cstrong\u003eWorcester Greenskies solar water heating systems\u003c\/strong\u003e and \u003cstrong\u003eGreenstore unvented cylinders\u003c\/strong\u003e, making it a great choice for eco-conscious households. \u003ch4\u003eQ3: How long is the warranty for the Greenstar 27i?\u003c\/h4\u003e The Worcester Greenstar 27i comes with a \u003cstrong\u003e7-year manufacturer’s guarantee\u003c\/strong\u003e (subject to installation and servicing conditions), ensuring years of reliable heating performance.\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/plumbing-supplies\"\u003eplumbing supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/boilers\"\u003eboilers\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Worcester","offers":[{"title":"Default Title","offer_id":51771448557910,"sku":"146735","price":1451.66,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/worcester-greenstar-27-i-erp-system-7369920.jpg?v=1772639469"},{"product_id":"worcester-greenstar-4000-21kw-lpg-system","title":"Worcester Greenstar 4000 21kW LPG System","description":"\u003ch3\u003eWorcester Greenstar 4000 21kW LPG System Boiler\u003c\/h3\u003e\n\nThe Worcester Greenstar 4000 21kW LPG System Boiler is the ideal choice for medium-sized homes with one or two bathrooms. Designed as the direct upgrade to the Greenstar 21Ri, this modern boiler combines outstanding energy efficiency with a sleek new look, a full-colour text display, and whisper-quiet operation.\n\nEngineered for reliability and performance, the Greenstar 4000 ensures your home stays warm and comfortable all year round while keeping your energy bills low.\n\n\u003ch3\u003eEfficient, Quiet and Smart\u003c\/h3\u003e\n\nWith an ErP A rating for efficiency, the Greenstar 4000 21kW LPG System Boiler helps reduce gas consumption and energy costs without compromising performance. It features a wide modulation range, intelligently adjusting its output to meet your heating and hot water demands efficiently.\n\nAs Worcester Bosch’s quietest system boiler, it operates discreetly, making it a great fit for homes where space and comfort are priorities.\n\n\u003ch3\u003eModern Design and User-Friendly Controls\u003c\/h3\u003e\n\nThe Greenstar 4000 range introduces a contemporary new design with a clean, white finish and an intuitive full-colour text display, making it easy to set, monitor, and adjust your heating.\n\nIt’s also wirelessly compatible with the Bosch EasyControl system, giving homeowners complete control over their heating from anywhere, via smartphone or tablet.\n\n\u003ch3\u003eVersatile and Future-Ready\u003c\/h3\u003e\n\nPerfect for homes with a hot water storage cylinder, the Greenstar 4000 21kW LPG System Boiler provides efficient central heating while ensuring your stored water is always ready when needed.\n\nIt’s also compatible with Worcester Bosch Greenskies solar panels, allowing you to integrate renewable energy for even greater energy and cost savings.\n\n\u003ch3\u003eBuilt for Efficiency and Convenience\u003c\/h3\u003e\n\nWorcester Bosch has designed the Greenstar 4000 range with both homeowners and installers in mind. The boiler’s compact 724 x 400 x 310mm (HxWxD) dimensions make it easy to fit into a variety of locations, while its lightweight 30.6kg build simplifies installation.\n\nIts internal components are also easily accessible for straightforward servicing and maintenance.\n\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\nA-rated efficiency (ErP) for heating performance\n\n21kW output, perfect for medium-sized homes\n\nWide power range for reduced gas consumption and improved efficiency\n\nExceptionally quiet operation for enhanced comfort\n\nModern new design with a full-colour text display\n\nBosch EasyControl compatible for smart wireless control\n\nCompatible with Greenskies solar panels for renewable energy integration\n\nCompact wall-mounted design for flexible installation\n\n7-year manufacturer’s guarantee for peace of mind\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\nManufacturer: Worcester Bosch\n\nModel: Greenstar 4000 21kW LPG System\n\nBoiler Type: System Boiler\n\nSub Type: Gas System\n\nFuel Type: LPG (Liquefied Petroleum Gas)\n\nMounting: Wall Mounted\n\nHeat Output: 21 kW\n\nErP Rating: A\n\nColour: White\n\nWeight: 30.6 kg\n\nDimensions (HxWxD): 724 x 400 x 310 mm\n\nNoise Level: Exceptionally quiet operation\n\nFitting Location: Internal\n\nEAN: 4057749856722\n\nMPN: 7733600383\n\nProduct Code: PN183939\n\nGuarantee: 7 Years\n\n\u003ch3\u003eReliable Heating for Medium Homes\u003c\/h3\u003e\n\nIf you’re looking for a modern, efficient, and quiet system boiler that delivers dependable heating and hot water, the Worcester Greenstar 4000 21kW LPG System is an excellent choice. Combining award-winning Worcester Bosch engineering with smart technology and energy efficiency, it’s designed to keep your home warm, comfortable, and cost-efficient for years to come.\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/plumbing-supplies\"\u003eplumbing supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/boilers\"\u003eboilers\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Worcester","offers":[{"title":"Default Title","offer_id":51771449639254,"sku":"146801","price":1455.72,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/worcester-greenstar-4000-21kw-lpg-system-2240698.jpg?v=1772639418"},{"product_id":"worcester-greenstar-4000-12kw-lpg-system","title":"Worcester Greenstar 4000 12kW LPG System","description":"\u003ch3\u003eWorcester Greenstar 4000 12kW LPG System Boiler\u003c\/h3\u003e\n\nThe Worcester Greenstar 4000 12kW System Boiler is the perfect heating solution for small to medium-sized homes with one bathroom. As the direct successor to the Greenstar 12Ri, this system boiler combines a modern design, quiet operation, and advanced controls, offering efficient heating and hot water performance for your home.\n\nCompact yet powerful, the Greenstar 4000 12kW is ideal for properties that rely on a hot water storage cylinder, making it an excellent choice for system heating applications.\n\n\u003ch3\u003eModern Design and User-Friendly Display\u003c\/h3\u003e\n\nThe Greenstar 4000 features a full-colour text display that makes operation simple and intuitive. Its sleek, modern appearance ensures it fits seamlessly into any home environment, while the quiet combustion design allows it to run discreetly in the background without disturbing daily life.\n\n\u003ch3\u003eEfficient Heating and Hot Water\u003c\/h3\u003e\n\nWith a 12kW heat output and ErP A rating, this boiler provides energy-efficient heating while helping to reduce fuel bills. The wide power range allows it to respond effectively to your home’s heating and hot water demands, offering consistent comfort without wasting energy.\n\nIt’s also compatible with Greenskies solar panels, providing the opportunity for further energy savings and a reduced environmental footprint.\n\n\u003ch3\u003eSmart Connectivity\u003c\/h3\u003e\n\nThe Greenstar 4000 is compatible with Bosch EasyControl, enabling wireless smart control of your heating system. Adjust settings remotely via your smartphone or tablet, optimise energy usage, and enjoy enhanced convenience with connected technology.\n\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\n12kW output – ideal for small to medium homes with one bathroom\n\nErP A-rated efficiency – reduces energy bills and environmental impact\n\nFull-colour text display – simple, intuitive operation\n\nQuiet operation – perfect for living spaces\n\nCompatible with Bosch EasyControl – wireless smart home connectivity\n\nSupports hot water cylinder systems – reliable storage and heating\n\nCompatible with Greenskies solar panels – energy and cost savings\n\nModern compact design – fits neatly in any space\n\n7-year guarantee – long-term peace of mind\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\nBrand: Worcester Bosch\n\nModel: Greenstar 4000 12kW System Boiler\n\nBoiler Type: Gas System Boiler\n\nFuel Type: LPG\n\nMounting Type: Wall-mounted\n\nHeat Output: 12kW\n\nDimensions (HxWxD): 724 x 400 x 310mm\n\nWeight: 30.6kg\n\nColour: White\n\nErP Rating: A\n\nEAN: 4057749856661\n\nMPN: 7733600377\n\nProduct Code: PN183936\n\nWarranty: 7 years\n\n\u003ch3\u003eWhy Choose the Worcester Greenstar 4000 12kW System?\u003c\/h3\u003e\n\nThe Greenstar 4000 12kW System Boiler offers a compact, efficient, and quiet solution for small to medium homes. With advanced features like smart connectivity, a full-colour display, and compatibility with solar panels, this boiler combines modern convenience, reliability, and energy efficiency. Backed by Worcester Bosch’s 7-year warranty, it provides a heating solution you can trust for years to come.\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e \u003ch4\u003eIs this boiler suitable for my home?\u003c\/h4\u003e Yes — the Greenstar 4000 12kW System Boiler is ideal for **small to medium-sized homes with one bathroom** and works with a hot water storage cylinder. \u003ch4\u003eCan I control this boiler remotely?\u003c\/h4\u003e Yes. The boiler is compatible with **Bosch EasyControl**, allowing you to adjust heating and hot water settings from your smartphone or tablet. \u003ch4\u003eWhat is the warranty period?\u003c\/h4\u003e This boiler comes with a **7-year warranty** from Worcester Bosch, providing long-term reliability and peace of mind.\n\nIf you want, I can also create a matching natural gas version or a higher output 21kW version to complement your Greenstar 4000 System boiler listings. Do you want me to do that next?\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/plumbing-supplies\"\u003eplumbing supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/boilers\"\u003eboilers\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Worcester","offers":[{"title":"Default Title","offer_id":51771449868630,"sku":"146795","price":1246.02,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/worcester-greenstar-4000-12kw-lpg-system-7077924.jpg?v=1772639418"},{"product_id":"worcester-greenstar-4000-15kw-lpg-system","title":"Worcester Greenstar 4000 15kW LPG System","description":"\u003ch3\u003eWorcester Greenstar 4000 15kW System Gas Boiler White\u003c\/h3\u003e\n\nThe Worcester Greenstar 4000 15kW System Boiler is a high-efficiency, compact system boiler designed for small to medium-sized homes with one or two bathrooms. As part of Worcester Bosch’s 4000 series, it offers modern styling, quiet operation, and reliable heating performance, making it an ideal choice for homeowners seeking comfort and efficiency.\n\nIts system boiler design works with a hot water storage cylinder, providing consistent hot water while supplying central heating to your home efficiently.\n\n\u003ch3\u003eModern Design and User-Friendly Operation\u003c\/h3\u003e\n\nFeaturing a full-colour text display, the Greenstar 4000 15kW is simple to operate and monitor. The quiet combustion design ensures the boiler runs discreetly in the background, offering a comfortable and peaceful home environment. Its sleek white finish fits seamlessly into any space, including utility rooms and kitchen cupboards.\n\n\u003ch3\u003eEfficient Heating and Hot Water\u003c\/h3\u003e\n\nWith a 15kW heat output and an ErP A rating, this boiler provides energy-efficient central heating while helping to reduce gas consumption and lower energy bills. Its wide power range allows the boiler to adjust output efficiently according to your heating and hot water needs.\n\nThis boiler is also compatible with Greenskies solar panels, giving homeowners the potential for additional energy and cost savings.\n\n\u003ch3\u003eSmart Features and Connectivity\u003c\/h3\u003e\n\nThe Greenstar 4000 15kW offers wireless connectivity with Bosch EasyControl, allowing you to adjust heating and hot water remotely via your smartphone or tablet. This smart functionality provides ultimate convenience and helps optimise your home’s energy use.\n\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\n15kW output – ideal for small to medium homes with 1–2 bathrooms\n\nErP A-rated efficiency – energy-saving and eco-friendly operation\n\nCompact and modern design – fits neatly into kitchen cupboards or utility rooms\n\nQuiet operation – minimal disruption in the home\n\nFull-colour text display – easy to use and monitor\n\nBosch EasyControl compatible – smart home functionality\n\nCompatible with hot water cylinders and solar panels – flexible and efficient\n\n7-year warranty – long-term peace of mind\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\nBrand: Worcester Bosch\n\nModel: Greenstar 4000 15kW System Gas Boiler\n\nBoiler Type: System Boiler\n\nFuel Type: Natural Gas\n\nMounting Type: Wall-mounted\n\nHeat Output: 15kW\n\nDimensions (HxWxD): 724 x 400 x 310mm\n\nWeight: 30.6kg\n\nColour: White\n\nErP Rating: A\n\nEAN: 4057749856685\n\nMPN: 7733600379\n\nProduct Code: PN183937\n\nWarranty: 7 years\n\n\u003ch3\u003eWhy Choose the Worcester Greenstar 4000 15kW?\u003c\/h3\u003e\n\nThe Greenstar 4000 15kW System Boiler delivers a compact, quiet, and efficient solution for small to medium homes. Its modern design, full-colour display, and smart connectivity make it easy to operate while ensuring reliable heating and hot water. Backed by Worcester Bosch’s 7-year warranty, it provides homeowners with peace of mind and long-lasting performance.\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e \u003ch4\u003eIs this boiler suitable for my home?\u003c\/h4\u003e Yes — the 15kW Greenstar 4000 System Boiler is perfect for **small to medium-sized homes with 1–2 bathrooms** and a hot water storage cylinder. \u003ch4\u003eCan I control this boiler remotely?\u003c\/h4\u003e Yes. This boiler is compatible with **Bosch EasyControl**, allowing remote control of your heating and hot water via smartphone or tablet. \u003ch4\u003eWhat is the warranty period?\u003c\/h4\u003e This boiler comes with a **7-year warranty**, providing reliable long-term protection when installed by a Worcester Bosch Accredited Installer.\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/plumbing-supplies\"\u003eplumbing supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/boilers\"\u003eboilers\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Worcester","offers":[{"title":"Default Title","offer_id":51771449901398,"sku":"146797","price":1314.91,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/worcester-greenstar-4000-15kw-lpg-system-7291860.jpg?v=1772639417"},{"product_id":"worcester-greenstar-4000-18kw-system","title":"Worcester Greenstar 4000 18kW System","description":"\u003ch3\u003eWorcester Greenstar 4000 18kW System Boiler\u003c\/h3\u003e\n\nThe Worcester Greenstar 4000 18kW System Boiler is the direct upgrade of the Greenstar 18Ri, designed for small to medium-sized homes with one bathroom. Compact, wall-mounted, and modern in design, this system boiler is highly efficient, quiet, and packed with user-friendly features to make heating and hot water management simple and effective.\n\n\u003ch3\u003eEfficient Heating and Hot Water\u003c\/h3\u003e\n\nWith a wide power range and ErP A-rating, the Greenstar 4000 18kW ensures efficient heating while helping to reduce gas consumption and lower energy bills. The boiler is suitable for homes with a hot water storage cylinder, making it ideal for properties with one bathroom where instant hot water from a combi boiler may not be sufficient.\n\n\u003ch3\u003eModern Features for Easy Operation\u003c\/h3\u003e\n\nThis boiler features a full-colour text display for straightforward operation, while its quiet design ensures minimal disruption. For modern smart home integration, the Greenstar 4000 18kW supports wireless connectivity with the Bosch EasyControl, giving you full control of your heating system from anywhere. Additionally, it is compatible with Greenskies solar panels, helping to further reduce energy costs and environmental impact.\n\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\nHeat output: 18kW – ideal for small to medium-sized homes\n\nErP A-rated efficiency – reduces fuel costs and carbon footprint\n\nQuiet operation – one of Worcester’s quietest system boilers\n\nWireless connectivity – compatible with Bosch EasyControl\n\nEasy-to-use full-colour display – intuitive interface for all settings\n\nCompatible with hot water storage cylinders – ideal for homes with one bathroom\n\nGreenskies solar panel compatible – supports sustainable energy use\n\nCompact wall-mounted design – dimensions: 724 x 400 x 310mm (HxWxD)\n\n7-year manufacturer guarantee – for peace of mind\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\nBrand: Worcester Bosch\n\nModel: Greenstar 4000 18kW System (7733600381)\n\nBoiler Type: System Boiler\n\nFuel Type: Natural Gas\n\nHeat Output: 18kW\n\nMounting: Wall\n\nDimensions (HxWxD): 724 x 400 x 310mm\n\nColour: White\n\nWeight: 30.6kg\n\nErP Rating: A\n\nEAN: 4057749856708\n\nProduct Code: PN183938\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e \u003ch4\u003eIs this boiler suitable for small homes?\u003c\/h4\u003e Yes – with an 18kW output, it is ideal for **small to medium-sized homes** with a single bathroom. \u003ch4\u003eCan it be used with solar panels?\u003c\/h4\u003e Yes – the Greenstar 4000 18kW is compatible with **Greenskies solar panels** to help reduce energy costs. \u003ch4\u003eHow long is the warranty?\u003c\/h4\u003e The boiler comes with a **7-year manufacturer’s guarantee** for complete peace of mind.\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/plumbing-supplies\"\u003eplumbing supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/boilers\"\u003eboilers\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Worcester","offers":[{"title":"Default Title","offer_id":51771450229078,"sku":"146798","price":1290.6,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/worcester-greenstar-4000-18kw-system-5548868.jpg?v=1772639414"},{"product_id":"worcester-greenstar-4000-21kw-system","title":"Worcester Greenstar 4000 21kW System","description":"\u003ch3\u003eWorcester Greenstar 4000 21kW System Boiler\u003c\/h3\u003e\n\nThe Worcester Greenstar 4000 21kW System Boiler is the direct upgrade of the Greenstar 21Ri, designed specifically for medium-sized homes with one or two bathrooms. Compact, wall-mounted, and modern in design, this system boiler combines high efficiency, quiet operation, and user-friendly controls to deliver reliable heating and hot water for your home.\n\n\u003ch3\u003eEfficient Heating and Hot Water\u003c\/h3\u003e\n\nWith a wide power range and ErP A-rating, the Greenstar 4000 21kW is engineered to reduce gas consumption, helping to lower your energy bills. It is designed for homes with a hot water storage cylinder, providing sufficient hot water even for multiple bathrooms, making it a practical solution for medium-sized households.\n\n\u003ch3\u003eModern Features for Easy Operation\u003c\/h3\u003e\n\nThis boiler features a full-colour text display for intuitive operation, ensuring all controls are simple to navigate. Its quiet design makes it one of Worcester Bosch’s most unobtrusive system boilers. For added convenience, it supports wireless connectivity with the Bosch EasyControl, allowing you to monitor and adjust your heating remotely. It is also compatible with Greenskies solar panels, promoting energy savings and eco-friendly living.\n\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\nHeat output: 21kW – ideal for medium-sized homes with one or two bathrooms\n\nErP A-rated efficiency – helps reduce fuel costs and carbon footprint\n\nQuiet operation – one of Worcester’s quietest system boilers\n\nWireless connectivity – compatible with Bosch EasyControl\n\nEasy-to-use full-colour display – intuitive interface for all settings\n\nSuitable for hot water storage cylinders – reliable hot water supply for multiple bathrooms\n\nGreenskies solar panel compatible – reduces energy usage and costs\n\nCompact wall-mounted design – dimensions: 724 x 400 x 310mm (HxWxD)\n\n7-year manufacturer guarantee – for peace of mind\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\nBrand: Worcester Bosch\n\nModel: Greenstar 4000 21kW System (7733600383)\n\nBoiler Type: System Boiler\n\nFuel Type: Natural Gas\n\nHeat Output: 21kW\n\nMounting: Wall\n\nDimensions (HxWxD): 724 x 400 x 310mm\n\nColour: White\n\nWeight: 30.6kg\n\nErP Rating: A\n\nEAN: 4057749856722\n\nProduct Code: PN183939\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e \u003ch4\u003eIs this boiler suitable for medium-sized homes?\u003c\/h4\u003e Yes – with a 21kW output, it is ideal for **medium-sized homes with one or two bathrooms**. \u003ch4\u003eCan it work with solar panels?\u003c\/h4\u003e Yes – the Greenstar 4000 21kW is compatible with **Greenskies solar panels** for enhanced energy efficiency. \u003ch4\u003eHow long is the warranty?\u003c\/h4\u003e This boiler comes with a **7-year manufacturer’s guarantee** for long-lasting reliability.\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/plumbing-supplies\"\u003eplumbing supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/boilers\"\u003eboilers\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Worcester","offers":[{"title":"Default Title","offer_id":51771450327382,"sku":"146800","price":1375.68,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/worcester-greenstar-4000-21kw-system-7635388.jpg?v=1772639413"},{"product_id":"worcester-greenstar-30-i-erp-system","title":"Worcester Greenstar 30 i ErP System","description":"\u003ch3\u003eWorcester Greenstar 30i 30kW System Gas Boiler ErP\u003c\/h3\u003e\n\nThe Worcester Greenstar 30i 30kW System Gas Boiler ErP is a premium, energy-efficient system boiler designed for homes of all sizes. Compact, sleek, and environmentally friendly, this boiler offers reliable heating and hot water performance while saving space and reducing energy consumption.\n\n\u003ch3\u003eEfficient and Eco-Friendly\u003c\/h3\u003e\n\nWith an A-rated efficiency (SAP 2005 seasonal efficiency) and low NOx and CO? emissions, the Greenstar 30i is designed to deliver both cost-effective and environmentally responsible heating. It is compatible with Greenskies solar water heating systems and the Greenstore range of unvented cylinders, allowing for integration with sustainable energy solutions.\n\n\u003ch3\u003eRobust Design and Easy Installation\u003c\/h3\u003e\n\nThe boiler features a robust steel wall-mounting jig that allows sufficient space for pipework behind the unit. Installation is straightforward, as all pipework can be pre-plumbed before the boiler is fitted. Its compact dimensions mean it can easily fit inside a standard kitchen cabinet, making it ideal for homes with limited space.\n\n\u003ch3\u003eUser-Friendly Operation\u003c\/h3\u003e\n\nThe Greenstar 30i comes with a clear temperature display and simple boiler knob controls, ensuring ease of use for homeowners. It is also compatible with a wide range of optional digital controls, giving you flexible management of your heating system.\n\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\nHeat Output: 30kW – suitable for small, medium, and large properties\n\nErP A-rated efficiency – lowers energy bills and emissions\n\nCompact dimensions – fits inside standard kitchen cabinets\n\nLow NOx and CO? emissions – environmentally friendly\n\nCompatible with Greenskies solar panels – supports renewable energy\n\nCompatible with Greenstore unvented cylinders – for reliable hot water storage\n\nRobust steel wall-mounting jig – allows space for pipework behind the boiler\n\nUser-friendly display and controls – simple operation and optional digital control compatibility\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\nBrand: Worcester Bosch\n\nModel: Greenstar 30i 30kW System Gas Boiler ErP (7733600062)\n\nBoiler Type: System Boiler\n\nFuel Type: Natural Gas\n\nHeat Output: 30kW\n\nMounting: Wall\n\nColour: White\n\nDimensions: Compact\n\nErP Rating: A\n\nIncludes: Boiler only\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/plumbing-supplies\"\u003eplumbing supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/boilers\"\u003eboilers\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Worcester","offers":[{"title":"Default Title","offer_id":51771450392918,"sku":"146736","price":1510.42,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/worcester-greenstar-30-i-erp-system-1055886.jpg?v=1772639412"},{"product_id":"worcester-greenstar-8000-30kw-lpg-system-boiler","title":"Worcester Greenstar 8000+ 30KW LPG System Boiler","description":"\u003ch3\u003eWorcester Greenstar 8000+ 30kW LPG System Boiler\u003c\/h3\u003e\n\nThe Worcester Greenstar 8000+ 30kW LPG System Boiler is a high-performance heating solution specially designed for homes that rely on LPG rather than mains gas. As part of Worcester Bosch’s premium 8000+ range, this model offers impressive energy efficiency, modern styling and quiet operation — making it a great match for medium-sized homes with above-average heating and hot water requirements.\n\nBecause it’s a system boiler, it works with a hot water cylinder but doesn’t require a cold-water tank in the loft. This makes installations more flexible and less intrusive, while still providing strong hot water performance for families and households with multiple outlets. With smart thermostat compatibility, easy-to-use controls and an A-rated energy label, it's built for convenience, comfort and long-term savings.\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\nLPG fuel option — ideal for rural homes, mobile homes, or off-grid properties\n\nSystem boiler design — uses a hot water cylinder but no loft tank, reducing space requirements\n\n29kW output, perfect for medium-sized homes with higher heating demand\n\nA-rated efficiency, helping to reduce household energy costs\n\nUltra-quiet operation, maintaining a calm and comfortable home environment\n\nSmart control compatible — works with Bosch EasyControl, Nest, Hive and other popular thermostats\n\nSleek, modern design with intuitive controls and premium finish\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\nManufacturer: Worcester Bosch\n\nModel: 8000+\n\nMPN: 7736702597\n\nSKU: 94073\n\nGTIN: 4069143014509\n\nProduct Type: Gas System Boiler\n\nWarranty: 8 Years (subject to T\u0026amp;Cs)\n\nCH Output: 29 kW \/ 100,999 BTU\n\nErP Rating: A Rated for Heating\n\nDimensions: 780mm (H) x 440mm (W) x 365mm (D)\n\nWeight: 46kg (54kg gross)\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e \u003ch4\u003eIs this boiler suitable for properties without mains gas?\u003c\/h4\u003e Yes — the LPG design makes it perfect for rural areas, lodges, mobile homes and any property without a natural gas supply. \u003ch4\u003eDo I need a hot water cylinder with this boiler?\u003c\/h4\u003e You do. As a system boiler, it requires a hot water cylinder but does not need a loft tank, giving more installation flexibility. \u003ch4\u003eCan I control this boiler with a smart thermostat?\u003c\/h4\u003e Absolutely. It’s compatible with Worcester Bosch EasyControl as well as third-party systems like Nest or Hive for remote heating control.\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/plumbing-supplies\"\u003eplumbing supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/boilers\"\u003eboilers\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Worcester","offers":[{"title":"Default Title","offer_id":51955217826134,"sku":"146955","price":1678.64,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/worcester-greenstar-8000-30kw-lpg-system-boiler-6895808.jpg?v=1772638874"},{"product_id":"worcester-greenstar-8000-30kw-system-boiler","title":"Worcester Greenstar 8000+ 30KW System Boiler","description":"\u003ch3\u003eWorcester Greenstar 8000+ 30kW System Boiler\u003c\/h3\u003e\n\nThe Worcester Greenstar 8000+ 30kW System Boiler is a high-efficiency, gas-fired heating solution designed for modern homes that require strong and reliable heating performance. As part of Worcester Bosch’s flagship 8000+ range, this model combines premium engineering with a sleek contemporary design, making it a popular choice for medium-sized homes with higher heating and hot water demands.\n\nBecause it's a system boiler, it works with a separate hot water cylinder but does not require a loft-mounted cold-water tank. This gives greater flexibility when installing or upgrading your heating system while still providing the capability to supply multiple hot water outlets at once. With quiet operation, smart thermostat compatibility and an A-rated efficiency label, this boiler delivers both comfort and long-term savings.\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\nSystem boiler setup — works with a cylinder, no loft tank required\n\nIdeal for medium-sized homes with multiple radiators and higher hot water needs\n\nA-rated for efficiency, helping to keep energy usage and bills lower\n\nQuiet operation, enhancing household comfort\n\nCompatible with smart thermostats, including Bosch EasyControl, Nest, Hive and more\n\nStylish modern design with simple, intuitive controls\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\nManufacturer: Worcester Bosch\n\nModel: 8000+\n\nMPN: 7736702590\n\nSKU: 94066\n\nGTIN: 4069143014431\n\nProduct Type: Gas System Boiler\n\nWarranty: 8 Years (subject to manufacturer’s T\u0026amp;Cs)\n\nCentral Heating Output: 29 kW \/ 100,999 BTU\n\nErP Rating: A Rated for Heating\n\nDimensions: 780mm (H) × 440mm (W) × 365mm (D)\n\nWeight: 46 kg (54 kg including packaging)\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e \u003ch4\u003eDo I need a hot water cylinder with this boiler?\u003c\/h4\u003e Yes — system boilers require a hot water cylinder but do **not** need a cold-water tank, offering a more compact overall setup. \u003ch4\u003eIs the 30kW output suitable for my home?\u003c\/h4\u003e The 30kW model is ideal for medium-sized homes with several radiators and higher-than-average heating requirements. \u003ch4\u003eCan I use smart controls with this boiler?\u003c\/h4\u003e Absolutely. It works seamlessly with Worcester’s own smart system as well as popular options like Hive and Nest.\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/plumbing-supplies\"\u003eplumbing supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/boilers\"\u003eboilers\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Worcester","offers":[{"title":"Default Title","offer_id":51955217891670,"sku":"146953","price":1623.55,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/worcester-greenstar-8000-30kw-system-boiler-9036383.jpg?v=1772638872"},{"product_id":"worcester-greenstar-8000-35kw-system-boiler","title":"Worcester Greenstar 8000+ 35KW System Boiler","description":"\u003ch3\u003eWorcester Greenstar 8000+ 35kW System Boiler\u003c\/h3\u003e\n\nThe Worcester Greenstar 8000+ 35kW System Boiler is a powerful, high-efficiency heating solution designed for medium to large homes with higher heating and hot water demands. As part of Worcester Bosch’s premium Greenstar 8000+ range, it combines outstanding performance with modern styling, quiet operation and advanced control options.\n\nBecause it's a system boiler, it works alongside a separate hot water cylinder but doesn’t require a cold-water tank in the loft. This makes installation more flexible while still providing strong mains-pressure hot water to taps and showers. With condensing technology, an A-rated efficiency label and compatibility with smart thermostats, this boiler is designed to deliver comfort, convenience and long-term energy savings.\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\nHigh 35kW output — ideal for medium to large homes with multiple radiators or higher heating needs\n\nSystem boiler setup — uses a hot water cylinder but no loft tank, offering cleaner and more compact installation\n\nCondensing technology captures and reuses heat for improved efficiency\n\nA-rated energy performance, helping reduce heating costs and environmental impact\n\nSmart thermostat compatible, including Bosch EasyControl for remote heating management\n\nModern, sleek boiler design, perfect for style-conscious homes\n\nQuiet operation, making it suitable for installation in living spaces\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\nManufacturer: Worcester Bosch\n\nModel: 8000+\n\nMPN: 7736702591\n\nSKU: 94067\n\nGTIN: 4069143014448\n\nProduct Type: Gas System Boiler\n\nWarranty: 8 Years (subject to T\u0026amp;Cs)\n\nCH Output: 33 kW \/ 114,989 BTU\n\nErP Heating Rating: A Rated\n\nDimensions: 780mm (H) × 440mm (W) × 365mm (D)\n\nWeight: 46kg (54kg gross)\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e \u003ch4\u003eIs the 35kW model suitable for my home?\u003c\/h4\u003e Yes — this output level is ideal for medium to large homes, especially those with multiple radiators or higher heating requirements. \u003ch4\u003eDo I need a hot water cylinder with this boiler?\u003c\/h4\u003e You do. As a system boiler, it works with a hot water cylinder but does not need a cold-water tank, offering good mains-pressure hot water. \u003ch4\u003eCan I control this boiler remotely?\u003c\/h4\u003e Absolutely. It’s compatible with smart controls such as Bosch EasyControl, Hive and Nest, allowing you to manage heating from your smartphone.\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/plumbing-supplies\"\u003eplumbing supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/boilers\"\u003eboilers\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Worcester","offers":[{"title":"Default Title","offer_id":51955218219350,"sku":"146954","price":1807.84,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/worcester-greenstar-8000-35kw-system-boiler-1669840.jpg?v=1772638872"},{"product_id":"worcester-greenstar-8000-35kw-lpg-system-boiler","title":"Worcester Greenstar 8000+ 35KW LPG System Boiler","description":"\u003ch3\u003eWorcester Greenstar 8000+ 35kW LPG System Boiler\u003c\/h3\u003e\n\nThe Worcester Greenstar 8000+ 35kW LPG System Boiler is a high-performance heating solution from Worcester Bosch, designed for homes that require strong, reliable heating but do not have access to mains gas. As part of the premium 8000+ range, this model brings together modern efficiency, smart technology compatibility and a sleek, contemporary design.\n\nBuilt as an LPG system boiler, it works with a separate hot water cylinder while drawing cold water directly from the mains. This means you get powerful hot water performance without needing a loft tank, making it perfect for medium to large homes. With quiet operation and A-rated efficiency, it’s ideal for households wanting comfort, style and long-term energy savings.\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\nLPG model — perfect for off-grid homes, mobile homes or rural properties without mains gas\n\n33kW output suitable for medium to large homes with higher heating and hot water demands\n\nSystem boiler design — requires a cylinder but no cold-water tank\n\nCondensing technology for improved efficiency and reduced energy waste\n\nA-rated ErP efficiency, helping lower running costs\n\nFully compatible with Bosch EasyControl and other smart thermostats\n\nModern, streamlined design that suits contemporary interiors\n\nUltra-quiet operation, ideal for domestic settings\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\nManufacturer: Worcester Bosch\n\nModel: 8000+\n\nMPN: 7736702598\n\nSKU: 94074\n\nGTIN: 4069143014516\n\nProduct Type: Gas System Boiler (LPG)\n\nWarranty: 8 Years (subject to T\u0026amp;Cs)\n\nCH Output: 33 kW \/ 114,989 BTU\n\nErP Heating Rating: A Rated\n\nDimensions: 780mm (H) × 440mm (W) × 365mm (D)\n\nWeight: 46 kg (54 kg gross)\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e \u003ch4\u003eIs this boiler suitable for homes without mains gas?\u003c\/h4\u003e Yes — this is an LPG model, making it ideal for properties off the gas grid or mobile homes. \u003ch4\u003eDo I need a hot water cylinder with this system boiler?\u003c\/h4\u003e You do. A system boiler heats and stores hot water in a separate cylinder but does not need a loft tank. \u003ch4\u003eCan this boiler work with smart thermostats?\u003c\/h4\u003e Absolutely. It’s fully compatible with Worcester Bosch EasyControl and other major smart heating systems.\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/plumbing-supplies\"\u003eplumbing supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/boilers\"\u003eboilers\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Worcester","offers":[{"title":"Default Title","offer_id":51955218481494,"sku":"146956","price":1864.93,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/worcester-greenstar-8000-35kw-lpg-system-boiler-3962921.jpg?v=1772638873"},{"product_id":"worcester-greenstar-4000-12kw-lpg-system-boiler","title":"Worcester Greenstar 4000 12KW LPG System Boiler","description":"\u003ch3\u003eWorcester Greenstar 4000 12kW LPG System Boiler\u003c\/h3\u003e\n\nThe Worcester Greenstar 4000 12kW LPG System Boiler is a reliable, efficient heating solution designed for homes that use a stored hot water cylinder. It’s ideal for medium-sized properties and for households that need consistent hot water performance throughout the day.\n\nCompact, lightweight, and thoughtfully engineered, this boiler is easy to install in a wide range of locations. Its built-in pump and expansion vessel help streamline installation, while optional plug-in controls allow homeowners to customise how their heating system operates for added comfort and reduced energy use.\n\nAs an LPG model, it's a great choice for properties not connected to mains gas, including rural homes or holiday lodges. Optional diverter valves and smart controls make it flexible enough to match different heating setups and user preferences.\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\nLPG model ideal for off-grid properties\n\nCompact, space-saving design for easy installation\n\nBuilt-in pump and expansion vessel\n\nOptional diverter valve for flexible system layouts\n\nWide choice of heating controls for improved comfort and efficiency\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\nManufacturer: Worcester Bosch\nModel: 4000\nMPN: 7733600378\nSKU: 79141\nGTIN: 4057749856678\n\nPerformance:\n\nCH Output: 12kW\n\nCH Output (BTU): 40,000\n\nHeating Efficiency: A-Rated\n\nDimensions:\n\nHeight: 724mm\n\nWidth: 400mm\n\nDepth: 310mm\n\nWeight:\n\nGross (with packaging): 33.2kg\n\nWarranty:\n\n7 Years (subject to manufacturer T\u0026amp;Cs)\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e \u003ch4\u003eIs the 12kW model suitable for larger homes?\u003c\/h4\u003e The 12kW output is best for **small to medium-sized homes** with moderate heating requirements. Larger homes may need a higher-output model. \u003ch4\u003eDo I need a hot water cylinder with this boiler?\u003c\/h4\u003e Yes. As a **system boiler**, it works alongside a stored hot water cylinder to supply hot water efficiently. \u003ch4\u003eCan this boiler be paired with smart heating controls?\u003c\/h4\u003e Absolutely. The Greenstar 4000 range works with a variety of **optional Worcester controls and smart thermostats** to optimise comfort and energy savings.\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/plumbing-supplies\"\u003eplumbing supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/boilers\"\u003eboilers\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Worcester","offers":[{"title":"Default Title","offer_id":51955277562198,"sku":"146795","price":1246.02,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/worcester-greenstar-4000-12kw-lpg-system-boiler-8224754.jpg?v=1772638814"},{"product_id":"worcester-greenstar-4000-12kw-system-boiler","title":"Worcester Greenstar 4000 12KW System Boiler","description":"\u003ch3\u003eWorcester Greenstar 4000 12kW System Boiler\u003c\/h3\u003e\n\nThe Worcester Greenstar 4000 12kW System Boiler is an efficient and dependable option for homes that rely on a stored hot water cylinder. Designed with versatility in mind, it’s ideal for small to medium-sized properties that want consistent heating performance and reliable hot water delivery throughout the day.\n\nIts compact and lightweight build makes installation straightforward, even in tighter spaces. The boiler comes with a built-in pump and expansion vessel to simplify the setup, and it’s compatible with a wide selection of optional controls, giving homeowners the freedom to tailor their heating system for better comfort and improved energy savings.\n\nWhether you're upgrading an older boiler or installing a new system, the Greenstar 4000 offers dependable performance with modern efficiency.\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\nCompact, space-saving design\n\nBuilt-in pump and expansion vessel\n\nOptional plug-in diverter valve\n\nWide range of compatible controls for enhanced efficiency\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\nManufacturer: Worcester Bosch\nModel: 4000\nMPN: 7733600377\nSKU: 79140\nGTIN: 4057749856661\n\nPerformance:\n\nCH Output: 12kW\n\nCH Output (BTU): 40,000\n\nErP Heating Rating: A Rated\n\nDimensions:\n\nHeight: 724mm\n\nWidth: 400mm\n\nDepth: 310mm\n\nWeight:\n\nGross: 33.2kg\n\nWarranty:\n\n7 Years (subject to manufacturer T\u0026amp;Cs)\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e \u003ch4\u003eIs the 12kW output suitable for my home?\u003c\/h4\u003e The 12kW model is ideal for **small to medium-sized homes** with moderate heating requirements and a stored hot water cylinder. \u003ch4\u003eDoes this system boiler require a separate hot water tank?\u003c\/h4\u003e Yes. As a **system boiler**, it works alongside a hot water cylinder to deliver consistent hot water throughout the home. \u003ch4\u003eCan I use smart controls with this boiler?\u003c\/h4\u003e Definitely. The Greenstar 4000 range supports a **wide variety of optional smart and traditional controls**, allowing for greater comfort and energy efficiency.\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/plumbing-supplies\"\u003eplumbing supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/boilers\"\u003eboilers\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Worcester","offers":[{"title":"Default Title","offer_id":51955277660502,"sku":"146794","price":1173.08,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/worcester-greenstar-4000-12kw-system-boiler-8777444.jpg?v=1772638814"},{"product_id":"worcester-greenstar-4000-15kw-lpg-system-boiler","title":"Worcester Greenstar 4000 15KW LPG System Boiler","description":"\u003ch3\u003eWorcester Greenstar 4000 15kW LPG System Boiler\u003c\/h3\u003e\n\nThe Worcester Greenstar 4000 15kW LPG System Boiler is an excellent heating solution for medium to large-sized homes, especially where an LPG supply is required. Designed to work alongside a stored hot water cylinder, it provides reliable heating and consistent hot water performance throughout the home.\n\nThanks to its compact and lightweight construction, the boiler can be installed with ease, even in tighter spaces. It also includes a built-in pump and expansion vessel, helping to simplify installation and reduce setup time. With compatibility across a wide selection of optional controls, homeowners can tailor their heating system for improved efficiency, comfort, and energy savings.\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\nLPG model designed for homes without mains gas\n\nCompact, space-saving design\n\nBuilt-in pump and expansion vessel\n\nOptional plug-in diverter valve\n\nWide range of compatible heating controls\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\nManufacturer: Worcester Bosch\nModel: 4000\nMPN: 7733600380\nSKU: 79143\nGTIN: 4057749856692\n\nPerformance:\n\nCH Output: 15kW\n\nCH Output (BTU): 51,000\n\nErP Heating Rating: A Rated\n\nDimensions:\n\nHeight: 724mm\n\nWidth: 400mm\n\nDepth: 310mm\n\nWeight:\n\nGross: 33.2kg\n\nWarranty:\n\n7 Years (Subject to manufacturer’s T\u0026amp;Cs)\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e \u003ch4\u003eIs the 15kW model suitable for my home?\u003c\/h4\u003e The 15kW output is ideal for **medium to large homes**, particularly those with a stored hot water cylinder and moderate to high heating demands. \u003ch4\u003eDoes this LPG system boiler need a hot water cylinder?\u003c\/h4\u003e Yes. As a system boiler, it works **in combination with a hot water cylinder**, providing reliable hot water storage and delivery. \u003ch4\u003eCan I use smart controls with this boiler?\u003c\/h4\u003e Absolutely — the Greenstar 4000 range supports a **variety of optional smart and traditional heating controls**, helping you improve efficiency and convenience.\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/plumbing-supplies\"\u003eplumbing supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/boilers\"\u003eboilers\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Worcester","offers":[{"title":"Default Title","offer_id":51955277758806,"sku":"146797","price":1314.91,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/worcester-greenstar-4000-15kw-lpg-system-boiler-3293805.jpg?v=1772638815"},{"product_id":"worcester-greenstar-4000-15kw-system-boiler","title":"Worcester Greenstar 4000 15KW System Boiler","description":"\u003ch3\u003eWorcester Greenstar 4000 15kW System Boiler\u003c\/h3\u003e\n\nThe Worcester Greenstar 4000 15kW System Boiler is a reliable and efficient choice for medium to large-sized homes, especially when paired with a stored hot water cylinder. Its compact, lightweight design makes installation straightforward, even in tighter spaces, while still delivering strong heating performance throughout the home.\n\nWith built-in components such as a pump and expansion vessel, the setup is simplified for installers. The boiler also supports a wide range of optional controls, giving homeowners the flexibility to fine-tune energy usage and enhance overall comfort and efficiency.\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\nCompact, space-saving design ideal for flexible installation\n\nBuilt-in pump and expansion vessel for easy setup\n\nCompatible with a plug-in optional diverter valve\n\nWorks with a wide range of optional heating controls\n\nDesigned for homes using a stored hot water cylinder\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\nManufacturer: Worcester Bosch\nModel: 4000\nMPN: 7733600379\nSKU: 79142\nGTIN: 4057749856685\n\nPerformance:\n\nCH Output: 15kW\n\nCH Output (BTU): 51,000\n\nErP Heating Rating: A Rated\n\nDimensions:\n\nHeight: 724mm\n\nWidth: 400mm\n\nDepth: 310mm\n\nWeight:\n\nGross Weight: 33.2kg\n\nWarranty:\n\n7 Years (Subject to manufacturer’s T\u0026amp;Cs)\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e \u003ch4\u003eIs the 15kW model suitable for my property?\u003c\/h4\u003e Yes — the 15kW output is well suited to **medium to large homes**, particularly those with a hot water cylinder and moderate heating demands. \u003ch4\u003eDo I need a hot water cylinder with this boiler?\u003c\/h4\u003e Yes. As a **system boiler**, it works alongside a stored hot water cylinder but doesn’t require a separate feed tank like a conventional boiler. \u003ch4\u003eCan I use smart controls with the Greenstar 4000 range?\u003c\/h4\u003e Absolutely. The Greenstar 4000 supports a **range of optional smart and traditional controls**, allowing you to improve efficiency and personalise your heating setup.\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/plumbing-supplies\"\u003eplumbing supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/boilers\"\u003eboilers\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Worcester","offers":[{"title":"Default Title","offer_id":51955277889878,"sku":"146796","price":1231.84,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/worcester-greenstar-4000-15kw-system-boiler-1311650.jpg?v=1772638813"},{"product_id":"worcester-greenstar-4000-18kw-lpg-system-boiler","title":"Worcester Greenstar 4000 18KW LPG System Boiler","description":"\u003ch3\u003eWorcester Greenstar 4000 18kW LPG System Boiler\u003c\/h3\u003e\n\nThe Worcester Greenstar 4000 18kW LPG System Boiler is a dependable and efficient choice for medium to large-sized homes, especially those using LPG instead of mains gas. Designed to work with a stored hot water cylinder, it delivers reliable heating and hot water performance throughout the property.\n\nThanks to its compact and lightweight build, this boiler is easy to install in a wide range of locations. It also includes useful built-in components such as a pump and expansion vessel, helping streamline installation. With support for a variety of optional heating controls, homeowners can tailor their system for maximum comfort and energy efficiency.\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\nLPG model, ideal for properties without access to mains gas\n\nCompact, space-saving dimensions for flexible installation\n\nBuilt-in pump and expansion vessel to simplify setup\n\nCompatible with an optional plug-in diverter valve\n\nWorks with a wide range of optional heating controls\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\nManufacturer: Worcester Bosch\nModel: 4000\nMPN: 7733600382\nSKU: 79145\nGTIN: 4057749856715\n\nPerformance:\n\nBoiler CH Output: 18kW\n\nCH Output (BTU): 61,000\n\nErP Rating: A Rated for Heating\n\nDimensions:\n\nHeight: 724mm\n\nWidth: 400mm\n\nDepth: 310mm\n\nWeight:\n\nGross Weight: 33.2kg\n\nWarranty:\n\n7 Years (Subject to manufacturer’s T\u0026amp;Cs)\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e \u003ch4\u003eIs the 18kW LPG model suitable for larger homes?\u003c\/h4\u003e Yes. The 18kW output makes it a strong choice for **medium to larger homes**, especially those with multiple radiators and a stored hot water cylinder. \u003ch4\u003eDo I need a hot water cylinder with this boiler?\u003c\/h4\u003e Yes — as a **system boiler**, it requires a stored hot water cylinder, but does **not** need a separate feed tank like a traditional boiler. \u003ch4\u003eCan this boiler work with smart thermostats?\u003c\/h4\u003e Yes. The Greenstar 4000 range supports a variety of **smart and traditional controls**, helping you boost comfort and reduce energy use.\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/plumbing-supplies\"\u003eplumbing supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/boilers\"\u003eboilers\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Worcester","offers":[{"title":"Default Title","offer_id":51955277922646,"sku":"146799","price":1377.72,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/worcester-greenstar-4000-18kw-lpg-system-boiler-9725618.jpg?v=1772638813"},{"product_id":"worcester-greenstar-4000-18kw-system-boiler","title":"Worcester Greenstar 4000 18KW System Boiler","description":"\u003ch3\u003eWorcester Greenstar 4000 18kW System Boiler\u003c\/h3\u003e\n\nThe Worcester Greenstar 4000 18kW System Boiler is a reliable, energy-efficient choice for medium to large-sized homes, especially those using a stored hot water cylinder. Designed with modern households in mind, it offers excellent performance, quiet operation, and the flexibility to pair with a wide range of heating controls.\n\nIts compact and lightweight design makes installation straightforward, even in tighter spaces. With built-in components such as a pump and expansion vessel, it reduces installation time and creates a tidy, streamlined setup. Homeowners can also enhance comfort and efficiency by adding optional controls, including smart thermostats.\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\nCompact, space-saving boiler ideal for flexible installation\n\nBuilt-in pump and expansion vessel for a cleaner, faster setup\n\nCompatible with optional plug-in diverter valve\n\nWide choice of optional heating controls\n\nPerfect for homes using a stored hot water cylinder\n\n\u003ch3\u003eTechnical Information\u003c\/h3\u003e\n\nManufacturer: Worcester Bosch\nModel: 4000\nMPN: 7733600381\nSKU: 79144\nGTIN: 4057749856708\nProduct Type: Gas System Boiler\n\nPerformance:\n\nCH Output: 18kW\n\nCH Output (BTU): 61,000\n\nErP Rating: A Rated for Heating\n\nDimensions:\n\nHeight: 724mm\n\nWidth: 400mm\n\nDepth: 310mm\n\nWeight:\n\nGross Weight: 33.2kg\n\nWarranty:\n\n7 Years (Manufacturer T\u0026amp;Cs apply)\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e \u003ch4\u003eIs this boiler suitable for larger homes?\u003c\/h4\u003e Yes — the 18kW output makes it a strong fit for **medium to large homes**, especially properties with multiple radiators and a stored hot water cylinder. \u003ch4\u003eDo I need a hot water tank with this system boiler?\u003c\/h4\u003e Yes. As a **system boiler**, it works alongside a stored hot water cylinder, but it does not require a separate feed tank like a conventional boiler. \u003ch4\u003eCan I use smart controls with this model?\u003c\/h4\u003e Absolutely. The Greenstar 4000 range supports a variety of **optional and smart controls**, helping to improve comfort and boost energy efficiency.\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/plumbing-supplies\"\u003eplumbing supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/boilers\"\u003eboilers\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Worcester","offers":[{"title":"Default Title","offer_id":51955278020950,"sku":"146798","price":1290.6,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/worcester-greenstar-4000-18kw-system-boiler-4536825.jpg?v=1772638812"},{"product_id":"worcester-greenstar-4000-21kw-lpg-system-boiler","title":"Worcester Greenstar 4000 21KW LPG System Boiler","description":"\u003ch3\u003eWorcester Greenstar 4000 21kW LPG System Boiler\u003c\/h3\u003e\n\nThe Worcester Greenstar 4000 21kW LPG System Boiler is an excellent choice for medium to large-sized homes that rely on a stored hot water cylinder. Designed for flexibility and strong performance, it provides reliable heating while keeping running costs low. Its LPG compatibility also makes it ideal for properties that are not connected to the mains gas network.\n\nCompact and lightweight, this boiler is easy to install in a variety of locations, even where space is limited. It comes with a built-in pump and expansion vessel, helping installers achieve a neat, efficient setup. Homeowners can further personalise their system with a wide selection of optional controls, including smart thermostats for increased comfort and energy savings.\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\nLPG-compatible system boiler for off-grid homes\n\nCompact dimensions for easy installation\n\nBuilt-in pump and expansion vessel for a cleaner layout\n\nOptional plug-in diverter valve\n\nCompatible with a wide range of optional heating controls\n\n\u003ch3\u003eTechnical Information\u003c\/h3\u003e\n\nManufacturer: Worcester Bosch\nModel: 4000\nMPN: 7733600384\nSKU: 79147\nGTIN: 4057749856739\nProduct Type: LPG System Boiler\n\nPerformance:\n\nCH Output: 21kW\n\nCH Output (BTU): 71,000\n\nErP Heating Rating: A Rated for Heating\n\nDimensions:\n\nHeight: 724mm\n\nWidth: 400mm\n\nDepth: 310mm\n\nWeight:\n\nGross Weight: 33.2kg\n\nWarranty:\n\n7 Years (Subject to manufacturer T\u0026amp;Cs)\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e \u003ch4\u003eIs the 21kW model suitable for larger homes?\u003c\/h4\u003e Yes. The 21kW output makes it a strong match for **medium to large homes**, especially those with several radiators and a stored hot water cylinder. \u003ch4\u003eDo I need a separate hot water tank with this boiler?\u003c\/h4\u003e You do. As a **system boiler**, it works alongside a hot water cylinder, although it doesn’t require a cold water tank like a traditional regular boiler. \u003ch4\u003eCan I use smart heating controls with this boiler?\u003c\/h4\u003e Yes — the Greenstar 4000 range is compatible with a variety of **optional and smart controls**, allowing remote scheduling and improved energy efficiency.\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/plumbing-supplies\"\u003eplumbing supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/boilers\"\u003eboilers\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Worcester","offers":[{"title":"Default Title","offer_id":51955278053718,"sku":"146801","price":1455.72,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/worcester-greenstar-4000-21kw-lpg-system-boiler-3594873.jpg?v=1772638814"},{"product_id":"worcester-greenstar-4000-21kw-system-boiler","title":"Worcester Greenstar 4000 21KW System Boiler","description":"\u003ch3\u003eWorcester Greenstar 4000 21kW System Boiler\u003c\/h3\u003e\n\nThe Worcester Greenstar 4000 21kW System Boiler is a reliable and efficient choice for medium to large homes, especially those that use a stored hot water cylinder. Designed to deliver consistent heating performance, this model balances energy efficiency with everyday practicality.\n\nIts compact, lightweight build makes installation straightforward, even in tighter spaces. The boiler comes with a built-in pump and expansion vessel, helping installers achieve a tidy and efficient setup. Homeowners can also enhance comfort and control through a wide range of optional heating controls, including modern smart thermostats for improved efficiency.\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\nCompact, space-saving design\n\nBuilt-in pump and expansion vessel\n\nOptional plug-in diverter valve\n\nCompatible with a wide range of optional heating controls\n\nIdeal for medium to large homes using a hot water cylinder\n\n\u003ch3\u003eTechnical Information\u003c\/h3\u003e\n\nManufacturer: Worcester Bosch\nModel: 4000\nMPN: 7733600383\nSKU: 79146\nGTIN: 4057749856722\nProduct Type: Gas System Boiler\n\nPerformance:\n\nCH Output: 21kW\n\nCH Output (BTU): 71,000\n\nErP Heating Rating: A Rated for Heating\n\nDimensions:\n\nHeight: 724mm\n\nWidth: 400mm\n\nDepth: 310mm\n\nWeight:\n\nGross Weight inc Packaging: 40kg\n\nWarranty:\n\n7 Years (Subject to manufacturer T\u0026amp;Cs)\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e \u003ch4\u003eIs the 21kW output suitable for my home?\u003c\/h4\u003e The 21kW model is ideal for **medium to large properties**, particularly those with several radiators and a stored hot water cylinder. \u003ch4\u003eDo I need a hot water tank with this boiler?\u003c\/h4\u003e Yes — as a **system boiler**, it works with a hot water cylinder but does not require a loft-installed cold water tank. \u003ch4\u003eCan I add smart controls to this boiler?\u003c\/h4\u003e Absolutely. The Greenstar 4000 range supports a variety of **optional and smart heating controls**, including wireless and app-based options for better efficiency and convenience.\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/plumbing-supplies\"\u003eplumbing supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/boilers\"\u003eboilers\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Worcester","offers":[{"title":"Default Title","offer_id":51955278086486,"sku":"146800","price":1375.68,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/worcester-greenstar-4000-21kw-system-boiler-7311354.jpg?v=1772638812"},{"product_id":"worcester-greenstar-4000-24kw-lpg-system-boiler","title":"Worcester Greenstar 4000 24KW LPG System Boiler","description":"\u003ch3\u003eWorcester Greenstar 4000 24kW LPG System Boiler\u003c\/h3\u003e\n\nThe Worcester Greenstar 4000 24kW LPG System Boiler is a reliable, high-efficiency option for medium to large homes that use a stored hot water cylinder. Designed with both performance and practicality in mind, this LPG model is ideal for properties off the mains gas grid.\n\nIts compact and lightweight construction allows for flexible installation, even in tighter spaces, while the built-in pump and expansion vessel help streamline the setup process. Homeowners also have the option to enhance their heating system with a variety of optional controls, including modern smart thermostats for improved comfort and efficiency.\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\nLPG model for homes without access to mains gas\n\nCompact, space-saving boiler design\n\nBuilt-in pump and expansion vessel for easy installation\n\nPlug-in optional diverter valve\n\nCompatible with a wide range of optional heating controls\n\n\u003ch3\u003eTechnical Information\u003c\/h3\u003e\n\nManufacturer: Worcester Bosch\nModel: 4000\nMPN: 7733600386\nSKU: 79149\nGTIN: 4057749856753\nProduct Type: LPG System Boiler\n\nPerformance:\n\nCH Output: 24kW\n\nCH Output (BTU): 81,000\n\nErP Heating Rating: A Rated for Heating\n\nDimensions:\n\nHeight: 724mm\n\nWidth: 400mm\n\nDepth: 310mm\n\nWeight:\n\nGross Weight inc Packaging: 33.2kg\n\nWarranty:\n\n7 Years (Subject to manufacturer T\u0026amp;Cs)\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e \u003ch4\u003eIs this 24kW LPG boiler suitable for my home?\u003c\/h4\u003e The 24kW model is ideal for **medium to large homes**, especially those with several radiators and a stored hot water cylinder. \u003ch4\u003eDo I need a hot water tank with this system boiler?\u003c\/h4\u003e Yes — as a **system boiler**, it works alongside a hot water cylinder, but doesn’t require a cold water tank in the loft. \u003ch4\u003eCan I use smart controls with this boiler?\u003c\/h4\u003e Yes. The Greenstar 4000 range supports **a variety of optional and smart heating controls**, giving you better efficiency and remote management through compatible apps.\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/plumbing-supplies\"\u003eplumbing supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/boilers\"\u003eboilers\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Worcester","offers":[{"title":"Default Title","offer_id":51955278184790,"sku":"146803","price":1496.24,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/worcester-greenstar-4000-24kw-lpg-system-boiler-8057828.jpg?v=1772638815"},{"product_id":"worcester-greenstar-4000-24kw-system-boiler","title":"Worcester Greenstar 4000 24KW System Boiler","description":"\u003ch3\u003eWorcester Greenstar 4000 24kW System Boiler\u003c\/h3\u003e\n\nThe Worcester Greenstar 4000 24kW System Boiler is a reliable and efficient choice for medium to large homes that use a stored hot water cylinder. Designed to fit neatly into modern heating systems, it offers strong performance while keeping running costs low.\n\nThanks to its compact, lightweight design, installation is straightforward and flexible, making it ideal for a variety of home layouts. The built-in pump and expansion vessel also help reduce installation time and clutter within the heating system. For added convenience, the boiler is compatible with a wide range of optional heating controls, including smart thermostats, so homeowners can enjoy more comfort and better energy management.\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\nCompact, space-saving design\n\nBuilt-in pump and expansion vessel for easier installation\n\nOptional plug-in diverter valve\n\nCompatible with a wide selection of optional controls\n\nIdeal for medium to large homes using a hot water cylinder\n\n\u003ch3\u003eTechnical Information\u003c\/h3\u003e\n\nManufacturer: Worcester Bosch\nModel: 4000\nMPN: 7733600385\nSKU: 79148\nGTIN: 4057749856746\nProduct Type: Gas System Boiler\n\nPerformance:\n\nCH Output: 24kW\n\nCH Output (BTU): 81,000\n\nErP Heating Rating: A Rated for Heating\n\nDimensions:\n\nHeight: 724mm\n\nWidth: 400mm\n\nDepth: 310mm\n\nWeight:\n\nGross Weight inc Packaging: 33.2kg\n\nWarranty:\n\n7 Years (Subject to manufacturer’s T\u0026amp;Cs)\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e \u003ch4\u003eIs the 24kW model suitable for my home?\u003c\/h4\u003e The 24kW output is suitable for **medium to large homes**, especially if you have multiple radiators and rely on a stored hot water cylinder. \u003ch4\u003eDo I need a hot water cylinder with this boiler?\u003c\/h4\u003e Yes. As a **system boiler**, it works alongside a hot water cylinder to deliver stored hot water more efficiently. \u003ch4\u003eCan this boiler work with smart thermostats?\u003c\/h4\u003e Absolutely. The Greenstar 4000 range supports **a wide range of optional and smart heating controls**, allowing better efficiency and remote access.\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/plumbing-supplies\"\u003eplumbing supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/boilers\"\u003eboilers\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Worcester","offers":[{"title":"Default Title","offer_id":51955278283094,"sku":"146802","price":1420.26,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/worcester-greenstar-4000-24kw-system-boiler-8446645.jpg?v=1772638811"},{"product_id":"vaillant-ecotec-plus-100-commercial-system-boiler","title":"Vaillant ecoTEC Plus 100 Commercial System Boiler","description":"\u003ch3\u003eVaillant ecoTEC Plus 100 Commercial System Boiler\u003c\/h3\u003e\n\nThe Vaillant ecoTEC Plus 100 Commercial System Boiler is a reliable and efficient solution designed for larger heating systems where consistent performance is key. As a wall-hung, condensing commercial boiler, it offers a compact footprint while still delivering the power needed for demanding commercial environments such as offices, apartment blocks, and larger residential projects.\n\nBuilt with a high-performance stainless steel heat exchanger, this boiler is designed to maximise efficiency while maintaining durability over time. The fully modulating low NOx burner automatically adjusts its output based on heating demand, helping to reduce energy waste and improve overall system performance. This not only keeps running costs down but also ensures the system operates smoothly and efficiently.\n\nThe ecoTEC Plus commercial range has been engineered with usability in mind. Its advanced, backlit diagnostic display provides clear and detailed information, making commissioning, servicing, and day-to-day operation straightforward for engineers. Whether you're installing a new system or maintaining an existing one, this feature saves time and simplifies fault finding.\n\nIn addition, the boiler includes an internal condensate trap and built-in pump capability to a low loss header, helping streamline installation and system design. A combination of a traditional manometer and an electronic pressure gauge ensures accurate pressure monitoring at all times, giving you added peace of mind.\n\nWith best-in-class emissions that meet European standards, this boiler is also a more environmentally responsible choice. A wide range of flue options allows for flexible installation, making it suitable for a variety of commercial setups.\n\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\nHigh-performance stainless steel heat exchanger for durability and efficiency\n\nFully modulating low NOx burner to match heat demand and reduce energy use\n\nAdvanced backlit display for easy diagnostics and servicing\n\nInternal condensate trap included\n\nIntegrated pump functionality to low loss header\n\nDual pressure monitoring with manometer and electronic gauge\n\nWide range of flue options for flexible installation\n\nA-rated ErP heating efficiency\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\nProduct Type: Gas System Boiler\n\nModel: ecoTEC Commercial\n\nGTIN: 4024074627549\n\nWeight (Net): 86.3 kg\n\nGross Weight: 110 kg\n\nErP Rating: A (Heating)\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eWhat type of property is the Vaillant ecoTEC Plus 100 suitable for?\u003c\/h4\u003e\n\nThis boiler is ideal for commercial settings such as offices, schools, and apartment buildings, as well as larger residential properties that require a higher heating output than standard domestic boilers.\n\n\u003ch4\u003eDoes this boiler help reduce energy costs?\u003c\/h4\u003e\n\nYes, thanks to its fully modulating burner and high-efficiency heat exchanger, the boiler adjusts output based on demand, helping to minimise wasted energy and reduce running costs.\n\n\u003ch4\u003eIs the boiler easy to maintain and service?\u003c\/h4\u003e\n\nAbsolutely. The advanced diagnostic display provides clear system information, making it much easier for engineers to commission, service, and troubleshoot the boiler quickly.","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":52979124633942,"sku":"148521","price":4261.46,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/vaillant-ecotec-plus-100-commercial-system-boiler-5694612.jpg?v=1775036180"},{"product_id":"vaillant-ecotec-plus-48-commercial-system-boiler","title":"Vaillant ecoTEC Plus 48 Commercial System Boiler","description":"\u003ch3\u003eVaillant ecoTEC Plus 48 Commercial System Boiler\u003c\/h3\u003e\n\nThe Vaillant ecoTEC Plus 48 Commercial System Boiler is a powerful and efficient wall-hung condensing boiler, built to meet the demands of larger commercial heating systems. Whether installed in offices, apartment buildings, or commercial premises, it delivers consistent performance while maintaining excellent energy efficiency.\n\nAt its core, this boiler features a high-performance stainless steel heat exchanger, designed for durability and optimal heat transfer. Combined with a fully modulating low NOx burner, the system intelligently adjusts its output to match the required heat demand. This ensures efficient operation, reduced energy waste, and lower running costs over time.\n\nEase of use is a key part of the ecoTEC Plus commercial range. The advanced, backlit diagnostic display provides clear and detailed system information, making commissioning, servicing, and day-to-day operation straightforward. This helps engineers quickly identify any issues, reducing downtime and improving overall system reliability.\n\nThe boiler also includes practical features that support efficient installation and performance. An internal condensate trap is supplied as standard, and the unit is capable of pumping directly to a low-loss header, simplifying system design. A built-in manometer, alongside an electronic pressure gauge, allows for accurate and reliable pressure monitoring at all times.\n\nWith best-in-class emissions that meet European standards and a wide range of flue options available, the ecoTEC Plus 48 offers flexibility for different installation requirements while maintaining strong environmental performance.\n\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\nHigh-performance stainless steel heat exchanger for long-lasting efficiency\n\nFully modulating low NOx burner to match heating demand\n\nAdvanced backlit display for easy diagnostics and servicing\n\nInternal condensate trap included as standard\n\nPump capability to low-loss header for simplified installation\n\nDual pressure monitoring with manometer and electronic gauge\n\nWide range of flue options for flexible installation\n\nLow emissions compliant with European standards\n\nA-rated ErP efficiency for heating\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\nProduct Type: Gas System Boiler\n\nModel: ecoTEC Commercial 48\n\nGTIN: 4024074821404\n\nHeight: 800 mm\n\nWidth: 480 mm\n\nDepth: 450 mm\n\nWeight (Net): 38 kg\n\nGross Weight: 49 kg\n\nOutput: 48 kW \/ 163,000 BTU\n\nErP Rating: A (Heating)\n\nWarranty: 5 years (subject to manufacturer’s terms \u0026amp; conditions)\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eWhat type of buildings is this boiler suitable for?\u003c\/h4\u003e\n\nThis boiler is designed for commercial applications, making it ideal for offices, schools, apartment blocks, and other large buildings with higher heating demands.\n\n\u003ch4\u003eDoes this boiler offer energy savings?\u003c\/h4\u003e\n\nYes, the fully modulating burner adjusts output based on demand, helping to reduce unnecessary energy use and lower operating costs.\n\n\u003ch4\u003eIs the boiler easy to install and maintain?\u003c\/h4\u003e\n\nYes, it’s designed with installers in mind, featuring a clear diagnostic display and practical components that make installation, servicing, and maintenance more straightforward.","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":52979125944662,"sku":"148519","price":2657.18,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/vaillant-ecotec-plus-48-commercial-system-boiler-2408412.jpg?v=1775036170"},{"product_id":"vaillant-ecotec-plus-610-system-boiler","title":"Vaillant ecoTEC Plus 610 System Boiler","description":"\u003ch3\u003eVaillant ecoTEC Plus 610 System Boiler\u003c\/h3\u003e\n\nThe Vaillant ecoTEC Plus 610 System Boiler is part of Vaillant’s latest generation of high-efficiency boilers, designed with both installers and homeowners in mind. With a refined internal layout and improved accessibility, this model makes installation, servicing, and maintenance quicker and more straightforward, saving time on site while ensuring long-term reliability.\n\nThis updated version of the ecoTEC Plus range introduces a modern, intuitive semi-touch interface, making setup easier than ever. The guided commissioning wizard walks installers through the process step-by-step, while the clear navigation ensures simple day-to-day operation. Whether you’re installing a new system or replacing an existing boiler, the familiar footprint and connection points allow for an easy like-for-like swap.\n\nPerformance has also been enhanced with Vaillant’s latest technologies. The new IoniDETECT system continuously monitors combustion, allowing the boiler to operate across a wider modulation range of up to 1:10. This means it can adjust more precisely to heating demand, improving efficiency and reducing energy waste. In addition, linBUS technology enables more accurate monitoring of flow rate and pressure through the internal pump, helping to optimise system performance.\n\nDesigned for flexibility, the ecoTEC Plus 610 is compatible with a wide range of Vaillant accessories, including controls, flues, boiler protection kits, and renewable heating systems. It’s also smart home ready, working seamlessly with the myVAILLANT connect internet gateway for app-based control and remote access (additional equipment may be required).\n\nFuture-proofed for changing energy standards, this boiler is hydrogen-ready and capable of operating safely with up to a 20% hydrogen blend. It also offers automatic LPG conversion on most outputs, completed quickly through the interface without the need for extra parts, making it highly adaptable to different installations.\n\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\nRefined internal layout for easier installation and servicing\n\nIntuitive semi-touch interface with guided commissioning wizard\n\nIoniDETECT technology for intelligent combustion monitoring\n\nWide modulation range (up to 1:10) for improved efficiency\n\nlinBUS technology for enhanced system performance and accuracy\n\nAutomatic LPG conversion (on most outputs) with no additional parts required\n\nHydrogen-ready for up to 20% hydrogen blend\n\nCompatible with Vaillant controls, flues, and accessories\n\nSmart home ready with myVAILLANT connect (additional equipment required)\n\nFamiliar dimensions for easy replacement of existing boilers\n\nUp to 10-year warranty available with Vaillant Advance Installer\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\nProduct Type: Gas System Boiler\n\nModel: ecoTEC Plus 610\n\nGTIN: 4024074906538\n\nHeight: 720 mm\n\nWidth: 440 mm\n\nDepth: 352 mm\n\nWeight (Net): 33.5 kg\n\nGross Weight: 36.5 kg\n\nWarranty: 5 years (extendable to 10 years with Vaillant Advance Installer)\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eIs the ecoTEC Plus 610 suitable for smart home systems?\u003c\/h4\u003e\n\nYes, it is smart home ready and can be connected to the myVAILLANT connect internet gateway, allowing app control and remote access when used with compatible controls.\n\n\u003ch4\u003eWhat makes this boiler more efficient than older models?\u003c\/h4\u003e\n\nThe IoniDETECT technology and wide modulation range allow the boiler to adjust more precisely to demand, reducing energy waste and improving overall efficiency.\n\n\u003ch4\u003eCan this boiler be used with future energy systems?\u003c\/h4\u003e\n\nYes, it is hydrogen-ready and designed to work with up to a 20% hydrogen blend, making it a future-proof option as energy standards evolve.","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":52979126042966,"sku":"148513","price":1218.81,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/vaillant-ecotec-plus-610-system-boiler-9619646.jpg?v=1775036169"},{"product_id":"vaillant-ecotec-plus-612-erp-system-boiler-only","title":"Vaillant ecoTEC Plus 612 (ErP) System Boiler Only","description":"\u003ch3\u003eVaillant ecoTEC Plus 612 (ErP) System Boiler\u003c\/h3\u003e\n\nThe Vaillant ecoTEC Plus 612 (ErP) System Boiler is a compact, efficient, and highly versatile heating solution, designed to meet the needs of modern homes. As one of the smallest and lightest system boilers in its class, it’s ideal for installations where space is limited, while still delivering reliable and consistent performance.\n\nThanks to its lightweight design and compact dimensions, the ecoTEC Plus 612 is easy to handle and install, making it a popular choice among installers. Its flexible siting options allow it to be fitted neatly into kitchen cupboards, airing cupboards, or utility spaces, making it perfect for both new installations and boiler replacements.\n\nPerformance and efficiency are at the heart of this model. The boiler features advanced modulation, allowing it to adjust output during periods of low heat demand. This helps to maximise efficiency, reduce energy consumption, and keep heating costs down. In addition, the flame lift detection system ensures more efficient and quieter combustion, improving both performance and comfort within the home.\n\nThe ecoTEC Plus 612 is also fitted with a high-efficiency pump, further reducing energy usage and enhancing overall system performance. With an A-rated ErP efficiency, it’s designed to deliver strong heating performance while minimising environmental impact.\n\nFor added peace of mind, the boiler comes with a standard 5-year warranty, which can be extended up to 10 years when installed by a Vaillant Advance Installer, ensuring long-term reliability and support.\n\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\nCompact and lightweight design for easy installation\n\nIdeal for homes with limited space\n\nFlexible siting options for cupboards and small areas\n\nAdvanced modulation for improved efficiency during low demand\n\nFlame lift detection for quieter and more efficient combustion\n\nHigh-efficiency pump to reduce energy consumption\n\nA-rated ErP efficiency for heating\n\nUp to 10-year warranty available with approved installation\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\nProduct Type: Gas System Boiler\n\nModel: ecoTEC Plus 612\n\nGTIN: 4024074806692\n\nHeight: 720 mm\n\nWidth: 440 mm\n\nDepth: 338 mm\n\nGross Weight: 41 kg\n\nOutput: 12 kW \/ 40,000 BTU\n\nErP Rating: A (Heating)\n\nWarranty: 5 years (extendable to 10 years with Vaillant Advance Installer)\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eIs the ecoTEC Plus 612 suitable for smaller homes?\u003c\/h4\u003e\n\nYes, with its 12kW output, this boiler is ideal for smaller properties or homes with lower heating demands, especially where space is limited.\n\n\u003ch4\u003eCan this boiler be installed in a cupboard?\u003c\/h4\u003e\n\nYes, its compact size and lightweight design make it perfect for cupboard installations, provided all installation guidelines are followed.\n\n\u003ch4\u003eDoes this boiler help reduce energy costs?\u003c\/h4\u003e\n\nYes, features like advanced modulation and a high-efficiency pump help optimise energy usage, which can reduce overall heating bills.","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":52979126141270,"sku":"148512","price":1093.92,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/vaillant-ecotec-plus-612-erp-system-boiler-only-7023503.jpg?v=1775036169"},{"product_id":"vaillant-ecotec-plus-615-system-boiler","title":"Vaillant ecoTEC Plus 615 System Boiler","description":"\u003ch3\u003eVaillant ecoTEC Plus 615 System Boiler\u003c\/h3\u003e\n\nThe Vaillant ecoTEC Plus 615 System Boiler is part of Vaillant’s latest generation of high-performance boilers, designed to deliver improved efficiency, easier installation, and enhanced usability. With a refined internal layout and better access to key components, this model makes both installation and servicing quicker and more convenient for engineers.\n\nThis updated ecoTEC Plus model features a modern semi-touch interface, making setup simple and intuitive. The guided commissioning wizard walks installers through the process step-by-step, while the clear and user-friendly navigation ensures straightforward day-to-day operation. Retaining the familiar Vaillant footprint, including the same dimensions, flue position, and pipe connections, it’s also ideal for hassle-free like-for-like replacements.\n\nPerformance is enhanced through Vaillant’s latest innovations. IoniDETECT technology continuously monitors combustion, allowing the boiler to operate across a wider modulation range of up to 1:10. This ensures the boiler only uses the energy it needs, improving efficiency and helping to reduce running costs. In addition, linBUS technology provides more accurate monitoring of flow rate and pressure via the internal pump, optimising system performance.\n\nThe ecoTEC Plus 615 is built for flexibility and future readiness. It offers automatic LPG conversion on most outputs without requiring additional parts, making installation more adaptable. It’s also hydrogen-ready, meaning it can safely operate with up to a 20% hydrogen blend, helping to future-proof your heating system as energy standards evolve.\n\nFully compatible with Vaillant’s range of controls, flues, boiler protection kits, and renewable technologies, this boiler can be tailored to suit a wide variety of heating systems. It’s also smart home ready, working with the myVAILLANT connect internet gateway for app-based control and remote access (additional equipment may be required).\n\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\nRefined internal layout for easier installation and servicing\n\nIntuitive semi-touch interface with guided commissioning wizard\n\nIoniDETECT technology for intelligent combustion monitoring\n\nWide modulation range (up to 1:10) for improved efficiency\n\nlinBUS technology for enhanced system accuracy and performance\n\nAutomatic LPG conversion (on most outputs) with no additional parts required\n\nHydrogen-ready for up to 20% hydrogen blend\n\nSmart home ready with myVAILLANT connect (additional equipment required)\n\nCompatible with Vaillant controls, flues, and accessories\n\nFamiliar dimensions for easy replacement of existing boilers\n\nUp to 10-year warranty available with approved installation\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\nProduct Type: Gas System Boiler\n\nModel: ecoTEC Plus 615\n\nGTIN: 4024074906545\n\nHeight: 720 mm\n\nWidth: 440 mm\n\nDepth: 352 mm\n\nWeight (Net): 33.5 kg\n\nGross Weight: 36.5 kg\n\nWarranty: 5 years (extendable to 10 years with Vaillant Advance Installer)\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eIs the ecoTEC Plus 615 easy to install as a replacement?\u003c\/h4\u003e\n\nYes, it retains the same footprint, pipe connections, and flue positioning as previous models, making it ideal for straightforward like-for-like replacements.\n\n\u003ch4\u003eDoes this boiler support smart controls?\u003c\/h4\u003e\n\nYes, it is smart home ready and can be connected to the myVAILLANT connect internet gateway, allowing app-based control when used with compatible systems.\n\n\u003ch4\u003eWhat makes this boiler more efficient than older models?\u003c\/h4\u003e\n\nThe combination of IoniDETECT technology and a wide modulation range allows the boiler to adjust precisely to heating demand, reducing energy waste and improving overall efficiency.","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":52979126436182,"sku":"148514","price":1278.48,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/vaillant-ecotec-plus-615-system-boiler-6140451.jpg?v=1775036169"},{"product_id":"vaillant-ecotec-plus-620-system-boiler","title":"Vaillant ecoTEC Plus 620 System Boiler","description":"\u003ch3\u003eVaillant ecoTEC Plus 620 System Boiler\u003c\/h3\u003e\n\nThe Vaillant ecoTEC Plus 620 System Boiler is a powerful and efficient heating solution from Vaillant’s latest generation of boilers. Designed with both installers and homeowners in mind, it features a refined internal layout that allows easy access to all key components, making installation, servicing, and maintenance quicker and more straightforward.\n\nThis model introduces a modern semi-touch interface, offering a smooth and intuitive user experience. The guided commissioning wizard helps installers set up the boiler step-by-step, while the clear display and simple navigation make everyday use easy and hassle-free. Retaining the familiar Vaillant footprint, including the same dimensions, pipe connections, and flue positioning, it’s ideal for seamless like-for-like replacements.\n\nPerformance has been significantly enhanced with advanced technologies. IoniDETECT technology continuously monitors gas combustion, allowing the boiler to operate across a wider modulation range of up to 1:10. This means it can adjust more precisely to heating demand, improving efficiency and helping to reduce energy consumption. linBUS technology further enhances performance by providing accurate readings of flow rate and pressure through the internal pump.\n\nThe ecoTEC Plus 620 is built for flexibility and future readiness. It supports automatic LPG conversion on most outputs, completed quickly via the interface without the need for additional parts. It’s also hydrogen-ready, meaning it can safely operate with up to a 20% hydrogen blend, helping future-proof your heating system.\n\nFully compatible with Vaillant’s range of controls, flues, boiler protection kits, and renewable technologies, this boiler can be tailored to suit a wide range of installations. It is also smart home ready, working with the myVAILLANT connect internet gateway for app-based control and remote access (additional equipment may be required).\n\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\nRefined internal layout for easier installation and servicing\n\nIntuitive semi-touch interface with guided commissioning wizard\n\nIoniDETECT technology for intelligent combustion monitoring\n\nWide modulation range (up to 1:10) for improved efficiency\n\nlinBUS technology for enhanced system performance and accuracy\n\nAutomatic LPG conversion (on most outputs) with no additional parts required\n\nHydrogen-ready for up to 20% hydrogen blend\n\nSmart home ready with myVAILLANT connect (additional equipment required)\n\nCompatible with Vaillant controls, flues, and accessories\n\nFamiliar footprint for easy replacement installations\n\nUp to 10-year warranty available with Vaillant Advance Installer\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\nProduct Type: Gas System Boiler\n\nModel: ecoTEC Plus 620\n\nGTIN: 4024074906613\n\nHeight: 720 mm\n\nWidth: 440 mm\n\nDepth: 352 mm\n\nWeight (Net): 33.5 kg\n\nGross Weight: 36.5 kg\n\nWarranty: 5 years (extendable to 10 years with Vaillant Advance Installer)\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eIs the ecoTEC Plus 620 suitable for replacing an older Vaillant boiler?\u003c\/h4\u003e\n\nYes, it retains the same footprint, pipe connections, and flue positioning, making it ideal for straightforward like-for-like replacements.\n\n\u003ch4\u003eCan this boiler be connected to smart home controls?\u003c\/h4\u003e\n\nYes, it is smart home ready and can be paired with the myVAILLANT connect internet gateway for app control and remote access when used with compatible systems.\n\n\u003ch4\u003eWhat makes this boiler more efficient?\u003c\/h4\u003e\n\nThe combination of IoniDETECT technology and a wide modulation range allows the boiler to adjust precisely to heating demand, reducing energy waste and improving overall efficiency.","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":52979126829398,"sku":"148515","price":1417.53,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/vaillant-ecotec-plus-620-system-boiler-7436110.jpg?v=1775036169"},{"product_id":"vaillant-ecotec-plus-625-system-boiler","title":"Vaillant ecoTEC Plus 625 System Boiler","description":"\u003ch3\u003eVaillant ecoTEC Plus 625 System Boiler\u003c\/h3\u003e\n\nThe Vaillant ecoTEC Plus 625 System Boiler is part of Vaillant’s latest range of high-performance boilers, designed to deliver exceptional efficiency, ease of installation, and advanced functionality. With a refined internal layout and improved access to key components, this model makes installation, servicing, and maintenance quicker and more convenient for engineers.\n\nThis upgraded ecoTEC Plus model features a modern semi-touch interface, providing a smooth and intuitive user experience. The guided commissioning wizard helps installers complete setup efficiently, while the clear display and simple navigation make day-to-day operation straightforward for homeowners. Retaining the same footprint, pipe connections, and flue positioning as previous models, it’s ideal for hassle-free replacements.\n\nPerformance is enhanced with Vaillant’s latest technology. The IoniDETECT system continuously monitors gas combustion, allowing the boiler to operate across a wide modulation range of up to 1:10. This ensures the boiler only uses the energy required, improving efficiency and reducing running costs. In addition, linBUS technology delivers more accurate readings of flow rate and pressure via the internal pump, helping to optimise overall system performance.\n\nDesigned with flexibility in mind, the ecoTEC Plus 625 supports automatic LPG conversion on most outputs, completed quickly through the interface without the need for extra parts. It is also hydrogen-ready, meaning it can safely operate with up to a 20% hydrogen blend, helping to future-proof your heating system.\n\nFully compatible with Vaillant’s range of controls, flues, boiler protection kits, and renewable technologies, this boiler can be tailored to suit a wide range of installations. It is also smart home ready, working with the myVAILLANT connect internet gateway for app-based control and remote access (additional equipment may be required).\n\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\nRefined internal layout for easier installation and servicing\n\nIntuitive semi-touch interface with guided commissioning wizard\n\nIoniDETECT technology for intelligent combustion monitoring\n\nWide modulation range (up to 1:10) for improved efficiency\n\nlinBUS technology for enhanced system accuracy and performance\n\nAutomatic LPG conversion (on most outputs) with no additional parts required\n\nHydrogen-ready for up to 20% hydrogen blend\n\nSmart home ready with myVAILLANT connect (additional equipment required)\n\nCompatible with Vaillant controls, flues, and accessories\n\nFamiliar footprint for easy replacement installations\n\nUp to 10-year warranty available with Vaillant Advance Installer\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\nProduct Type: Gas System Boiler\n\nModel: ecoTEC Plus 625\n\nGTIN: 4024074906743\n\nHeight: 720 mm\n\nWidth: 440 mm\n\nDepth: 352 mm\n\nWeight (Net): 36 kg\n\nGross Weight: 39 kg\n\nWarranty: 5 years (extendable to 10 years with Vaillant Advance Installer)\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eIs the ecoTEC Plus 625 suitable for upgrading an older system?\u003c\/h4\u003e\n\nYes, it retains the same footprint and connection layout as previous models, making it ideal for straightforward upgrades or replacements.\n\n\u003ch4\u003eCan this boiler be controlled remotely?\u003c\/h4\u003e\n\nYes, it is smart home ready and can be connected to the myVAILLANT connect gateway, allowing remote control via an app when used with compatible systems.\n\n\u003ch4\u003eWhat makes this boiler energy efficient?\u003c\/h4\u003e\n\nThe combination of IoniDETECT technology and a wide modulation range ensures the boiler adjusts precisely to heating demand, reducing wasted energy and improving overall efficiency.","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":52979126894934,"sku":"148516","price":1605.56,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/vaillant-ecotec-plus-625-system-boiler-7546792.jpg?v=1775036170"},{"product_id":"vaillant-ecotec-plus-630-system-boiler","title":"Vaillant ecoTEC Plus 630 System Boiler","description":"\u003ch3\u003eVaillant ecoTEC Plus 630 System Boiler\u003c\/h3\u003e\n\nThe Vaillant ecoTEC Plus 630 System Boiler is a high-performance, modern heating solution designed to deliver powerful output alongside advanced efficiency. As part of Vaillant’s latest ecoTEC Plus range, this model features a refined internal layout, giving installers easy access to key components and making both installation and servicing quicker and more straightforward.\n\nEquipped with a new intuitive semi-touch interface, the ecoTEC Plus 630 is designed for simplicity from the very start. The guided commissioning wizard helps installers set up the boiler efficiently, while the clear display and easy navigation make everyday use straightforward for homeowners. With the same footprint, flue positioning, and pipe connections as previous models, it’s also ideal for smooth, like-for-like replacements.\n\nPerformance is enhanced with cutting-edge technology. Vaillant’s IoniDETECT system continuously monitors combustion, allowing the boiler to operate across a wider modulation range of up to 1:10. This ensures it only uses the energy required, improving efficiency and helping to reduce running costs. In addition, linBUS technology provides more accurate monitoring of flow rate and pressure via the internal pump, optimising overall system performance.\n\nDesigned for flexibility and future readiness, the ecoTEC Plus 630 supports automatic LPG conversion on most outputs, completed quickly via the interface without the need for additional components. It is also hydrogen-ready, meaning it can safely operate with up to a 20% hydrogen blend, helping to future-proof your heating system.\n\nFully compatible with Vaillant’s range of controls, flues, boiler protection kits, and renewable technologies, this boiler can be adapted to suit a wide range of installations. It is also smart home ready, working alongside the myVAILLANT connect internet gateway for app-based control and remote access (additional equipment may be required).\n\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\nRefined internal layout for easier installation and servicing\n\nIntuitive semi-touch interface with guided commissioning wizard\n\nIoniDETECT technology for intelligent combustion monitoring\n\nWide modulation range (up to 1:10) for improved efficiency\n\nlinBUS technology for enhanced system accuracy and performance\n\nAutomatic LPG conversion (on most outputs) with no additional parts required\n\nHydrogen-ready for up to 20% hydrogen blend\n\nSmart home ready with myVAILLANT connect (additional equipment required)\n\nCompatible with Vaillant controls, flues, and accessories\n\nFamiliar footprint for easy replacement installations\n\nUp to 10-year warranty available with Vaillant Advance Installer\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\nProduct Type: Gas System Boiler\n\nModel: ecoTEC Plus 630\n\nGTIN: 4024074906453\n\nHeight: 720 mm\n\nWidth: 440 mm\n\nDepth: 352 mm\n\nWeight (Net): 36 kg\n\nGross Weight: 39 kg\n\nWarranty: 5 years (extendable to 10 years with Vaillant Advance Installer)\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eIs the ecoTEC Plus 630 suitable for replacing an older Vaillant boiler?\u003c\/h4\u003e\n\nYes, it retains the same footprint, pipe connections, and flue positioning, making it ideal for straightforward like-for-like replacements.\n\n\u003ch4\u003eCan this boiler be connected to smart controls?\u003c\/h4\u003e\n\nYes, it is smart home ready and can be paired with the myVAILLANT connect gateway, allowing remote control via an app when used with compatible systems.\n\n\u003ch4\u003eWhat makes this boiler future-proof?\u003c\/h4\u003e\n\nIt is hydrogen-ready and can operate with up to a 20% hydrogen blend, while also offering advanced efficiency technologies to meet modern energy standards.","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":52979126993238,"sku":"148517","price":1733.35,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/vaillant-ecotec-plus-630-system-boiler-2486888.jpg?v=1775036170"},{"product_id":"vaillant-ecotec-plus-635-system-boiler","title":"Vaillant ecoTEC Plus 635 System Boiler","description":"\u003ch3\u003eVaillant ecoTEC Plus 635 System Boiler\u003c\/h3\u003e\n\nThe Vaillant ecoTEC Plus 635 System Boiler is a powerful, high-efficiency heating solution from Vaillant’s latest range, designed to deliver exceptional performance while keeping installation and servicing straightforward. With a refined internal layout and improved access to key components, this model helps engineers work more efficiently while ensuring long-term reliability for homeowners.\n\nThis updated ecoTEC Plus model features a modern semi-touch interface, making setup and operation simple and intuitive. The guided commissioning wizard takes installers through each stage of the process, while the clear display and easy navigation make day-to-day use effortless. With the same footprint, pipe connections, and flue positioning as previous models, it’s ideal for quick and hassle-free like-for-like replacements.\n\nAdvanced performance is driven by Vaillant’s latest innovations. IoniDETECT technology continuously monitors combustion, allowing the boiler to operate across a wide modulation range of up to 1:10. This ensures the boiler adapts precisely to heating demand, improving efficiency and reducing energy consumption. linBUS technology further enhances performance by providing accurate readings of flow rate and pressure via the internal pump.\n\nBuilt with flexibility and future readiness in mind, the ecoTEC Plus 635 is hydrogen-ready, meaning it can safely operate with up to a 20% hydrogen blend. It also integrates seamlessly with Vaillant’s range of controls, flues, boiler protection kits, and renewable technologies, making it suitable for a wide variety of heating systems. In addition, it is smart home ready and can be connected to the myVAILLANT connect internet gateway for app-based control (additional equipment may be required).\n\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\nRefined internal layout for easier installation and servicing\n\nIntuitive semi-touch interface with guided commissioning wizard\n\nIoniDETECT technology for intelligent combustion monitoring\n\nWide modulation range (up to 1:10) for improved efficiency\n\nlinBUS technology for enhanced system performance and accuracy\n\nHydrogen-ready for up to 20% hydrogen blend\n\nSmart home ready with myVAILLANT connect (additional equipment required)\n\nCompatible with Vaillant controls, flues, and accessories\n\nFamiliar footprint for easy replacement installations\n\nUp to 10-year warranty available with Vaillant Advance Installer\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\nProduct Type: Gas System Boiler\n\nModel: ecoTEC Plus 635\n\nGTIN: 4024074906750\n\nHeight: 720 mm\n\nWidth: 440 mm\n\nDepth: 386 mm\n\nWeight (Net): 38 kg\n\nGross Weight: 41 kg\n\nWarranty: 5 years (extendable to 10 years with Vaillant Advance Installer)\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eIs the ecoTEC Plus 635 suitable for larger homes?\u003c\/h4\u003e\n\nYes, this model is designed for properties with higher heating demands, making it ideal for larger homes or systems requiring greater output.\n\n\u003ch4\u003eCan this boiler be controlled remotely?\u003c\/h4\u003e\n\nYes, it is smart home ready and can be connected to the myVAILLANT connect gateway, allowing remote control via an app when used with compatible controls.\n\n\u003ch4\u003eWhat makes this boiler efficient?\u003c\/h4\u003e\n\nThe combination of IoniDETECT technology and a wide modulation range ensures the boiler adjusts precisely to heating demand, reducing energy waste and improving overall efficiency.","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":52979127124310,"sku":"148518","price":1930.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/vaillant-ecotec-plus-635-system-boiler-6778593.jpg?v=1775036170"},{"product_id":"vaillant-ecotec-plus-64-commercial-system-boiler","title":"Vaillant ecoTEC Plus 64 Commercial System Boiler","description":"\u003ch3\u003eVaillant ecoTEC Plus 64 Commercial System Boiler\u003c\/h3\u003e\n\nThe Vaillant ecoTEC Plus 64 Commercial System Boiler is a powerful wall-hung condensing boiler, designed to meet the demands of larger commercial heating systems. Ideal for applications such as offices, apartment blocks, and commercial premises, it delivers strong performance while maintaining excellent energy efficiency.\n\nAt the heart of the ecoTEC Plus 64 is a high-performance stainless steel heat exchanger, engineered for durability and optimal heat transfer. Combined with a fully modulating low NOx burner, the boiler automatically adjusts its output to match heating demand. This helps reduce energy waste, improve efficiency, and lower operating costs, making it a smart choice for commercial environments.\n\nThe ecoTEC Plus commercial range is also designed with ease of use in mind. It features an advanced, easy-to-use diagnostic display with a clear backlit interface, providing detailed system information. This simplifies commissioning, servicing, and day-to-day operation, allowing engineers to quickly identify and resolve any issues.\n\nAdditional features help streamline installation and system performance. The boiler comes supplied with an internal condensate trap and has the capability to pump directly to a low-loss header, making system design more efficient. A built-in manometer, alongside an electronic pressure gauge, ensures accurate pressure monitoring at all times. With a wide range of flue options available, it also offers flexibility across different installation requirements.\n\nWith best-in-class emissions that meet European standards and an A-rated ErP efficiency, the ecoTEC Plus 64 is designed to deliver high output while remaining environmentally responsible.\n\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\nHigh-performance stainless steel heat exchanger for durability and efficiency\n\nFully modulating low NOx burner to match heating demand\n\nAdvanced backlit diagnostic display for easy servicing and operation\n\nInternal condensate trap included as standard\n\nPump capability to low-loss header for simplified system design\n\nDual pressure monitoring with manometer and electronic gauge\n\nWide range of flue options for flexible installation\n\nLow emissions compliant with European standards\n\nA-rated ErP efficiency for heating\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\nProduct Type: Gas System Boiler\n\nModel: ecoTEC Commercial 64\n\nGTIN: 4024074821381\n\nHeight: 800 mm\n\nWidth: 480 mm\n\nDepth: 472 mm\n\nWeight (Net): 47.5 kg\n\nGross Weight: 59 kg\n\nOutput: 64 kW \/ 218,000 BTU\n\nErP Rating: A (Heating)\n\nWarranty: 5 years (subject to manufacturer’s terms \u0026amp; conditions)\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eWhat type of buildings is the ecoTEC Plus 64 suitable for?\u003c\/h4\u003e\n\nThis boiler is designed for commercial applications, making it ideal for larger buildings such as offices, schools, apartment blocks, and other high-demand environments.\n\n\u003ch4\u003eDoes this boiler help improve energy efficiency?\u003c\/h4\u003e\n\nYes, the fully modulating burner adjusts output based on demand, helping to reduce energy waste and improve overall system efficiency.\n\n\u003ch4\u003eIs the boiler easy to maintain?\u003c\/h4\u003e\n\nYes, the advanced diagnostic display and clear system information make it easier for engineers to service, maintain, and troubleshoot the boiler quickly.","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":52979127222614,"sku":"146744","price":3135.71,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/vaillant-ecotec-plus-64-commercial-system-boiler-1306479.jpg?v=1775036132"},{"product_id":"vaillant-ecotec-plus-80-commercial-system-boiler","title":"Vaillant ecoTEC Plus 80 Commercial System Boiler","description":"\u003ch3\u003eVaillant ecoTEC Plus 80 Commercial System Boiler\u003c\/h3\u003e\n\nThe Vaillant ecoTEC Plus 80 Commercial System Boiler is a powerful wall-hung condensing boiler, designed to handle the demands of larger commercial heating systems. Ideal for applications such as office buildings, apartment complexes, and commercial premises, this boiler delivers high performance while maintaining excellent energy efficiency.\n\nAt the heart of the ecoTEC Plus 80 is a high-performance stainless steel heat exchanger, built for durability and optimal heat transfer. This is paired with a fully modulating low NOx burner, which automatically adjusts heat output to match demand. This intelligent operation helps reduce energy waste, improve efficiency, and lower overall running costs.\n\nThe ecoTEC Plus commercial range is also designed with ease of use in mind. It features an advanced, user-friendly diagnostic display with a clear backlit interface, providing detailed system information. This makes commissioning, servicing, and day-to-day operation much simpler, allowing engineers to quickly identify and resolve any issues.\n\nAdditional features enhance both installation and performance. The boiler comes supplied with an internal condensate trap and can pump directly to a low-loss header, helping to simplify system design. A built-in manometer, alongside an electronic pressure gauge, ensures accurate pressure monitoring at all times. With a wide range of flue options available, it also offers flexibility for different installation requirements.\n\nWith best-in-class emissions that meet European standards and an A-rated ErP efficiency, the ecoTEC Plus 80 combines high output with environmentally responsible performance.\n\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\nHigh-performance stainless steel heat exchanger for durability and efficiency\n\nFully modulating low NOx burner to match heating demand\n\nAdvanced backlit display for easy diagnostics and servicing\n\nInternal condensate trap included as standard\n\nPump capability to low-loss header for simplified system design\n\nDual pressure monitoring with manometer and electronic gauge\n\nWide range of flue options for flexible installation\n\nLow emissions compliant with European standards\n\nA-rated ErP efficiency for heating\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\nProduct Type: Gas System Boiler\n\nModel: ecoTEC Commercial 80\n\nGTIN: 4024074627556\n\nWeight (Net): 69.75 kg\n\nGross Weight: 87 kg\n\nErP Rating: A (Heating)\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eWhat type of buildings is the ecoTEC Plus 80 suitable for?\u003c\/h4\u003e\n\nThis boiler is designed for commercial applications, making it ideal for large buildings such as offices, schools, apartment blocks, and other high-demand environments.\n\n\u003ch4\u003eDoes this boiler improve energy efficiency?\u003c\/h4\u003e\n\nYes, the fully modulating burner adjusts output based on demand, helping to reduce energy consumption and improve overall system efficiency.\n\n\u003ch4\u003eIs the boiler easy to service and maintain?\u003c\/h4\u003e\n\nYes, the advanced diagnostic display and accessible design make it easier for engineers to carry out servicing, maintenance, and troubleshooting quickly.","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":52979127320918,"sku":"146742","price":3576.22,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/vaillant-ecotec-plus-80-commercial-system-boiler-3241328.jpg?v=1775036131"},{"product_id":"vaillant-ecofit-pure-612-erp-system-boiler-only","title":"Vaillant Ecofit Pure 612 (Erp) System Boiler Only","description":"\u003ch3\u003eVaillant ecoFit Pure 612 (ErP) System Boiler\u003c\/h3\u003e\n\nThe Vaillant ecoFit Pure 612 system boiler is one of the most compact system boilers developed by Vaillant, designed to provide simple installation and excellent flexibility. With its small dimensions and lightweight design, this boiler is ideal for homes where space is limited, such as kitchen cupboards or utility rooms.\n\nThis system boiler is designed to work with a separate hot water cylinder but does not require a cold water tank in the loft, making it a popular choice for modern heating systems. The ecoFit Pure 612 also features top or rear flue options, giving installers flexibility when positioning the boiler and flue system.\n\nEquipped with a high-efficiency pump, this boiler helps reduce energy consumption while maintaining strong heating performance. It is an excellent choice for smaller homes looking for an efficient and reliable heating solution.\n\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\nCompact and Lightweight Design\n\nIdeal for Installation in Cupboards or Small Spaces\n\nSystem Boiler – Works with a Hot Water Cylinder\n\nNo Cold Water Tank Required\n\nTop or Rear Flue Options\n\nEasy Installation and Flexible Siting\n\nHigh Efficiency Pump for Reduced Energy Consumption\n\nA Rated for Heating Efficiency\n\n2 Year Warranty (Up to 7 Years When Installed by a Vaillant Advance Installer)\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\nProduct: Vaillant ecoFit Pure 612 (ErP) System Boiler\n\nGTIN: 4024074778951\n\nProduct Type: Gas System Boiler\n\nModel: ecoFit Pure\n\nCentral Heating Output: 12kW (40,000 BTU)\n\nErP Heating Rating: A Rated\n\nGross Weight (Including Packaging): 33kg\n\nNet Weight: 32kg\n\nHeight: 720mm\n\nWidth: 390mm\n\nDepth: 295mm\n\nWarranty: 2 Years (Up to 7 Years with Vaillant Advance Installer, Subject to T\u0026amp;Cs)\n\n\u003ch3\u003eWhat Is a System Boiler?\u003c\/h3\u003e\n\nA system boiler provides heating directly to radiators and works with a separate hot water cylinder to store hot water. Unlike heat-only boilers, system boilers do not require a cold water tank in the loft, making them suitable for homes where loft space is limited or where a modern sealed system is preferred.\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003ch4\u003eWhat is the difference between a system boiler and a heat-only boiler?\u003c\/h4\u003e\n\nA system boiler works with a hot water cylinder but does not require a cold water tank, whereas a heat-only boiler requires both a cylinder and a cold water tank.\n\n\u003ch4\u003eIs a 12kW system boiler suitable for a small house?\u003c\/h4\u003e\n\nYes, a 12kW system boiler is typically suitable for smaller homes with lower heating demand.\n\n\u003ch4\u003eCan this boiler be installed in a cupboard?\u003c\/h4\u003e\n\nYes, the compact size and flexible flue options make it suitable for installation in a cupboard or small utility space.","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":52979142000982,"sku":"146923","price":1173.31,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/vaillant-ecofit-pure-612-erp-system-boiler-only-5651796.jpg?v=1775036017"},{"product_id":"vaillant-ecofit-pure-615-erp-system-boiler-only","title":"Vaillant Ecofit Pure 615 (Erp) System Boiler Only","description":"\u003ch3\u003eVaillant ecoFit Pure 615 (ErP) System Boiler\u003c\/h3\u003e\n\nThe Vaillant ecoFit Pure 615 system boiler is a compact and lightweight boiler designed to provide efficient heating while working alongside a separate hot water cylinder. As one of the most compact system boilers developed by Vaillant, it is ideal for installations where space is limited, such as kitchen cupboards or small utility rooms.\n\nThe ecoFit Pure 615 offers excellent installation flexibility with top or rear flue options, making it easier to position the boiler in a range of locations. Its lightweight design also makes installation simpler and more convenient for installers.\n\nThis system boiler includes a high-efficiency pump to help reduce energy consumption while maintaining strong heating performance. It is an ideal solution for small to medium-sized homes looking for a reliable and efficient heating system that works with a hot water cylinder but does not require a cold water tank in the loft.\n\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\nCompact and Lightweight Design\n\nIdeal for Installation in Cupboards or Small Spaces\n\nSystem Boiler – Works with a Hot Water Cylinder\n\nNo Cold Water Tank Required\n\nTop or Rear Flue Options\n\nEasy Installation and Flexible Siting\n\nHigh Efficiency Pump for Reduced Energy Consumption\n\nA Rated for Heating Efficiency\n\n2 Year Warranty (Up to 7 Years When Installed by a Vaillant Advance Installer)\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\nProduct: Vaillant ecoFit Pure 615 (ErP) System Boiler\n\nGTIN: 4024074778968\n\nProduct Type: Gas System Boiler\n\nModel: ecoFit Pure\n\nCentral Heating Output: 15kW (51,000 BTU)\n\nErP Heating Rating: A Rated\n\nGross Weight (Including Packaging): 33kg\n\nNet Weight: 32kg\n\nHeight: 700mm\n\nWidth: 390mm\n\nDepth: 295mm\n\nWarranty: 2 Years (Up to 7 Years with Vaillant Advance Installer, Subject to T\u0026amp;Cs)\n\n\u003ch3\u003eWhat Is a System Boiler?\u003c\/h3\u003e\n\nA system boiler provides heating directly to radiators and works with a separate hot water cylinder to store hot water. Unlike traditional heat-only boilers, system boilers do not require a cold water tank in the loft, making them suitable for homes where loft space is limited or where a sealed heating system is preferred.\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003ch4\u003eWhat is the difference between a system boiler and a combi boiler?\u003c\/h4\u003e\n\nA system boiler works with a hot water cylinder to store hot water, while a combi boiler heats water on demand and does not require a cylinder.\n\n\u003ch4\u003eIs a 15kW system boiler suitable for a medium-sized house?\u003c\/h4\u003e\n\nYes, a 15kW system boiler is typically suitable for small to medium-sized homes depending on insulation and heating demand.\n\n\u003ch4\u003eCan this boiler be installed in a cupboard?\u003c\/h4\u003e\n\nYes, the compact size and flexible flue options make it suitable for installation in a cupboard or small utility room.","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":52979142099286,"sku":"146924","price":1258.72,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/vaillant-ecofit-pure-615-erp-system-boiler-only-1134434.jpg?v=1775036014"},{"product_id":"vaillant-ecofit-pure-618-erp-system-boiler-only","title":"Vaillant Ecofit Pure 618 (Erp) System Boiler Only","description":"\u003ch3\u003eVaillant ecoFit Pure 618 (ErP) System Boiler\u003c\/h3\u003e\n\nThe Vaillant ecoFit Pure 618 system boiler is a compact and efficient heating solution designed to work alongside a separate hot water cylinder. As one of the most compact system boilers developed by Vaillant, it is ideal for installations where space is limited, such as kitchen cupboards, airing cupboards, or utility rooms.\n\nThe ecoFit Pure 618 offers flexible installation options with top or rear flue connections, making it easier to install in a range of property types. Its lightweight design also helps simplify installation while maintaining Vaillant’s high standards of performance and reliability.\n\nThis system boiler features a high-efficiency pump to help reduce energy consumption while delivering strong heating performance. It is well suited for small to medium-sized homes that require a reliable heating system with stored hot water supplied via a cylinder, without the need for a cold water tank in the loft.\n\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\nCompact and Lightweight Design\n\nIdeal for Installation in Cupboards or Small Spaces\n\nSystem Boiler – Works with a Hot Water Cylinder\n\nNo Cold Water Tank Required\n\nTop or Rear Flue Options\n\nEasy Installation and Flexible Siting\n\nHigh Efficiency Pump for Reduced Energy Consumption\n\nA Rated for Heating Efficiency\n\n2 Year Warranty (Up to 7 Years When Installed by a Vaillant Advance Installer)\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\nProduct: Vaillant ecoFit Pure 618 (ErP) System Boiler\n\nGTIN: 4024074778975\n\nProduct Type: Gas System Boiler\n\nModel: ecoFit Pure\n\nCentral Heating Output: 18kW (61,000 BTU)\n\nErP Heating Rating: A Rated\n\nGross Weight (Including Packaging): 33kg\n\nNet Weight: 32kg\n\nHeight: 700mm\n\nWidth: 390mm\n\nDepth: 295mm\n\nWarranty: 2 Years (Up to 7 Years with Vaillant Advance Installer, Subject to T\u0026amp;Cs)\n\n\u003ch3\u003eWhat Is a System Boiler?\u003c\/h3\u003e\n\nA system boiler provides heating directly to radiators and works with a separate hot water cylinder to store hot water. Unlike heat-only boilers, system boilers do not require a cold water tank in the loft, making them suitable for modern sealed heating systems and homes where loft space is limited.\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003ch4\u003eWhat is the difference between a system boiler and a heat-only boiler?\u003c\/h4\u003e\n\nA system boiler works with a hot water cylinder but does not require a cold water tank, whereas a heat-only boiler requires both a cylinder and a cold water tank.\n\n\u003ch4\u003eIs an 18kW system boiler suitable for a medium-sized house?\u003c\/h4\u003e\n\nYes, an 18kW system boiler is typically suitable for medium-sized homes depending on insulation and heating demand.\n\n\u003ch4\u003eCan this boiler be installed in a cupboard?\u003c\/h4\u003e\n\nYes, the compact size and flexible flue options make it suitable for installation in a cupboard or utility space.","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":52979142263126,"sku":"146925","price":1360.3,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/vaillant-ecofit-pure-618-erp-system-boiler-only-5258631.jpg?v=1775036013"},{"product_id":"vaillant-ecofit-pure-625-erp-system-boiler-only","title":"Vaillant Ecofit Pure 625 (Erp) System Boiler Only","description":"\u003ch3\u003eVaillant ecoFit Pure 625 (ErP) System Boiler\u003c\/h3\u003e\n\nThe Vaillant ecoFit Pure 625 system boiler is a compact and powerful heating solution designed to work alongside a separate hot water cylinder. As one of the most compact system boilers developed by Vaillant, it is ideal for installations where space is limited, such as kitchen cupboards, airing cupboards, or utility rooms.\n\nThe ecoFit Pure 625 offers flexible installation with top or rear flue options, making it easier to install in a wide range of properties. Its lightweight design also helps make installation quicker and easier while maintaining Vaillant’s reputation for quality and reliability.\n\nThis system boiler features a high-efficiency pump that helps reduce energy consumption while delivering strong heating performance. With its higher output, the ecoFit Pure 625 is particularly suitable for medium to larger homes that require greater heating capacity while still benefiting from a compact boiler design.\n\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\nCompact and Lightweight Design\n\nIdeal for Installation in Cupboards or Small Spaces\n\nSystem Boiler – Works with a Hot Water Cylinder\n\nNo Cold Water Tank Required\n\nTop or Rear Flue Options\n\nEasy Installation and Flexible Siting\n\nHigh Efficiency Pump for Reduced Energy Consumption\n\nA Rated for Heating Efficiency\n\n2 Year Warranty (Up to 7 Years When Installed by a Vaillant Advance Installer)\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\nProduct: Vaillant ecoFit Pure 625 (ErP) System Boiler\n\nGTIN: 4024074778982\n\nProduct Type: Gas System Boiler\n\nModel: ecoFit Pure\n\nCentral Heating Output: 25kW (85,000 BTU)\n\nErP Heating Rating: A Rated\n\nGross Weight (Including Packaging): 34kg\n\nNet Weight: 32kg\n\nHeight: 700mm\n\nWidth: 390mm\n\nDepth: 295mm\n\nWarranty: 2 Years (Up to 7 Years with Vaillant Advance Installer, Subject to T\u0026amp;Cs)\n\n\u003ch3\u003eWhat Is a System Boiler?\u003c\/h3\u003e\n\nA system boiler provides heating directly to radiators and works with a separate hot water cylinder to store hot water. Unlike heat-only boilers, system boilers do not require a cold water tank in the loft, making them suitable for modern sealed heating systems and homes where loft space is limited.\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003ch4\u003eWhat is the difference between a system boiler and a combi boiler?\u003c\/h4\u003e\n\nA system boiler works with a hot water cylinder to store hot water, while a combi boiler heats water on demand and does not require a cylinder.\n\n\u003ch4\u003eIs a 25kW system boiler suitable for a large house?\u003c\/h4\u003e\n\nYes, a 25kW system boiler is typically suitable for medium to large homes depending on insulation and heating demand.\n\n\u003ch4\u003eCan this boiler be installed in a cupboard?\u003c\/h4\u003e\n\nYes, the compact size and flexible flue options make it suitable for installation in a cupboard or utility room.","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":52979142558038,"sku":"146926","price":1565.16,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/vaillant-ecofit-pure-625-erp-system-boiler-only-5421394.jpg?v=1775036012"},{"product_id":"vaillant-ecofit-pure-630-erp-system-boiler-only","title":"Vaillant Ecofit Pure 630 (Erp) System Boiler Only","description":"\u003ch3\u003eVaillant ecoFit Pure 630 (ErP) System Boiler\u003c\/h3\u003e\n\nThe Vaillant ecoFit Pure 630 system boiler is a compact and powerful heating solution designed to work with a separate hot water cylinder. As one of the most compact system boilers developed by Vaillant, it is ideal for installations where space is limited, such as kitchen cupboards, airing cupboards, or utility rooms.\n\nThe ecoFit Pure 630 offers flexible installation with top or rear flue options, making it easier to install in a wide range of properties. Its lightweight design also helps make installation quicker and easier while maintaining Vaillant’s high standards for quality and reliability.\n\nThis system boiler includes a high-efficiency pump to help reduce energy consumption while providing strong and reliable heating performance. With its higher output, the ecoFit Pure 630 is particularly suitable for medium to larger homes that require greater heating capacity while still benefiting from a compact boiler design.\n\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\nCompact and Lightweight Design\n\nIdeal for Installation in Cupboards or Small Spaces\n\nSystem Boiler – Works with a Hot Water Cylinder\n\nNo Cold Water Tank Required\n\nTop or Rear Flue Options\n\nEasy Installation and Flexible Siting\n\nHigh Efficiency Pump for Reduced Energy Consumption\n\nA Rated for Heating Efficiency\n\n2 Year Warranty (Up to 7 Years When Installed by a Vaillant Advance Installer)\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\nProduct: Vaillant ecoFit Pure 630 (ErP) System Boiler\n\nGTIN: 4024074778999\n\nProduct Type: Gas System Boiler\n\nModel: ecoFit Pure\n\nCentral Heating Output: 30kW (85,000 BTU)\n\nErP Heating Rating: A Rated\n\nGross Weight (Including Packaging): 34kg\n\nNet Weight: 32kg\n\nHeight: 700mm\n\nWidth: 390mm\n\nDepth: 295mm\n\nWarranty: 2 Years (Up to 7 Years with Vaillant Advance Installer, Subject to T\u0026amp;Cs)\n\n\u003ch3\u003eWhat Is a System Boiler?\u003c\/h3\u003e\n\nA system boiler provides heating directly to radiators and works with a separate hot water cylinder to store hot water. Unlike heat-only boilers, system boilers do not require a cold water tank in the loft, making them suitable for modern sealed heating systems and homes where loft space is limited.\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003ch4\u003eWhat is the difference between a system boiler and a combi boiler?\u003c\/h4\u003e\n\nA system boiler works with a hot water cylinder to store hot water, while a combi boiler heats water on demand and does not require a cylinder.\n\n\u003ch4\u003eIs a 30kW system boiler suitable for a large house?\u003c\/h4\u003e\n\nYes, a 30kW system boiler is typically suitable for medium to large homes depending on insulation and heating demand.\n\n\u003ch4\u003eCan this boiler be installed in a cupboard?\u003c\/h4\u003e\n\nYes, the compact size and flexible flue options make it suitable for installation in a cupboard or utility room.","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":52979142656342,"sku":"146927","price":1691.87,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/vaillant-ecofit-pure-630-erp-system-boiler-only-8184971.jpg?v=1775036012"},{"product_id":"vaillant-ecofit-sustain-615-erp-system-boiler-only","title":"Vaillant ecoFIT Sustain 615 (ErP) System Boiler Only","description":"\u003ch3\u003eVaillant ecoFIT Sustain 615 (ErP) System Boiler\u003c\/h3\u003e\n\nThe Vaillant ecoFIT Sustain 615 system boiler is a compact and efficient heating solution designed to work alongside a separate hot water cylinder. As one of the most compact system boilers developed by Vaillant, it is ideal for installations where space is limited, such as kitchen cupboards, airing cupboards, or utility rooms.\n\nDesigned with both installers and homeowners in mind, the ecoFIT Sustain 615 offers flexible siting options and easy installation thanks to its lightweight design and compact dimensions. It also features a high-efficiency pump, which helps reduce energy consumption while still delivering reliable and consistent heating performance.\n\nThis system boiler is suitable for modern sealed heating systems and does not require a cold water tank in the loft, making it a practical and space-saving solution for many homes.\n\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\nCompact and Lightweight Design\n\nIdeal for Installation in Cupboards or Small Spaces\n\nSystem Boiler – Works with a Hot Water Cylinder\n\nNo Cold Water Tank Required\n\nEasy Installation and Flexible Siting\n\nHigh Efficiency Pump for Reduced Energy Consumption\n\nReliable Heating Performance\n\nA Rated for Heating Efficiency\n\n2 Year Warranty (Subject to Manufacturer’s T\u0026amp;Cs)\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\nProduct: Vaillant ecoFIT Sustain 615 (ErP) System Boiler\n\nGTIN: 4024074850350\n\nProduct Type: Gas System Boiler\n\nModel: ecoFIT Sustain\n\nCentral Heating Output: 15kW (51,000 BTU)\n\nErP Heating Rating: A Rated\n\nGross Weight (Including Packaging): 33kg\n\nNet Weight: 32kg\n\nHeight: 700mm\n\nWidth: 390mm\n\nDepth: 295mm\n\nWarranty: 2 Years (Subject to Manufacturer’s T\u0026amp;Cs)\n\n\u003ch3\u003eWhat Is a System Boiler?\u003c\/h3\u003e\n\nA system boiler provides heating directly to radiators and works with a separate hot water cylinder to store hot water. Unlike heat-only boilers, system boilers do not require a cold water tank in the loft, making them suitable for sealed heating systems and homes where loft space is limited.\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003ch4\u003eWhat is the difference between a system boiler and a combi boiler?\u003c\/h4\u003e\n\nA system boiler works with a hot water cylinder, while a combi boiler heats water on demand and does not require a cylinder.\n\n\u003ch4\u003eIs this boiler suitable for a medium-sized home?\u003c\/h4\u003e\n\nYes, a 15kW system boiler is typically suitable for small to medium-sized homes depending on insulation and heating demand.\n\n\u003ch4\u003eCan this boiler replace an older system boiler?\u003c\/h4\u003e\n\nYes, the ecoFIT Sustain 615 is a suitable replacement for older system boilers and can improve efficiency and performance.","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":52979143770454,"sku":"148503","price":784.02,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/vaillant-ecofit-sustain-615-erp-system-boiler-only-2659771.jpg?v=1775036010"},{"product_id":"vaillant-ecofit-sustain-618-erp-system-boiler-only","title":"Vaillant ecoFIT Sustain 618 (ErP) System Boiler Only","description":"\u003ch3\u003eVaillant ecoFIT Sustain 618 (ErP) System Boiler\u003c\/h3\u003e\n\nThe Vaillant ecoFIT Sustain 618 system boiler is a compact and efficient heating solution designed to work alongside a separate hot water cylinder. As one of the most compact system boilers developed by Vaillant, it is ideal for installations where space is limited, such as kitchen cupboards, airing cupboards, or utility rooms.\n\nDesigned for both installers and homeowners, the ecoFIT Sustain 618 offers flexible siting and straightforward installation thanks to its compact size and lightweight design. The boiler also includes a high-efficiency pump to help reduce energy consumption while still delivering reliable and consistent heating performance.\n\nThis system boiler is suitable for modern sealed heating systems and does not require a cold water tank in the loft, making it a practical and space-saving option for many homes.\n\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\nCompact and Lightweight Design\n\nIdeal for Installation in Cupboards or Small Spaces\n\nSystem Boiler – Works with a Hot Water Cylinder\n\nNo Cold Water Tank Required\n\nEasy Installation and Flexible Siting\n\nHigh Efficiency Pump for Reduced Energy Consumption\n\nReliable Heating Performance\n\nA Rated for Heating Efficiency\n\n2 Year Warranty (Subject to Manufacturer’s T\u0026amp;Cs)\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\nProduct: Vaillant ecoFIT Sustain 618 (ErP) System Boiler\n\nGTIN: 4024074850367\n\nProduct Type: Gas System Boiler\n\nModel: ecoFIT Sustain\n\nCentral Heating Output: 18kW (61,000 BTU)\n\nErP Heating Rating: A Rated\n\nGross Weight (Including Packaging): 33kg\n\nNet Weight: 32kg\n\nHeight: 700mm\n\nWidth: 390mm\n\nDepth: 295mm\n\nWarranty: 2 Years (Subject to Manufacturer’s T\u0026amp;Cs)\n\n\u003ch3\u003eWhat Is a System Boiler?\u003c\/h3\u003e\n\nA system boiler provides heating directly to radiators and works with a separate hot water cylinder to store hot water. Unlike heat-only boilers, system boilers do not require a cold water tank in the loft, making them suitable for sealed heating systems and homes where loft space is limited.\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003ch4\u003eWhat is the difference between a system boiler and a combi boiler?\u003c\/h4\u003e\n\nA system boiler works with a hot water cylinder, while a combi boiler heats water on demand and does not require a cylinder.\n\n\u003ch4\u003eIs an 18kW system boiler suitable for a medium-sized home?\u003c\/h4\u003e\n\nYes, an 18kW system boiler is typically suitable for medium-sized homes depending on insulation and heating demand.\n\n\u003ch4\u003eCan this boiler replace an older system boiler?\u003c\/h4\u003e\n\nYes, the ecoFIT Sustain 618 is a suitable replacement for older system boilers and can improve efficiency and performance.","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":52979143999830,"sku":"148504","price":825.81,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/vaillant-ecofit-sustain-618-erp-system-boiler-only-6346947.jpg?v=1775036007"},{"product_id":"vaillant-ecofit-sustain-630-erp-system-boiler-only","title":"Vaillant ecoFIT Sustain 630 (ErP) System Boiler Only","description":"\u003ch3\u003eVaillant ecoFIT Sustain 630 (ErP) System Boiler\u003c\/h3\u003e\n\nThe Vaillant ecoFIT Sustain 630 system boiler is a compact yet powerful heating solution designed to work with a separate hot water cylinder. As one of the most compact system boilers developed by Vaillant, it is ideal for installations where space is limited, such as kitchen cupboards, airing cupboards, or utility rooms.\n\nDesigned to offer flexible siting and easy installation, the ecoFIT Sustain 630 features compact dimensions and a lightweight design, making it easier to install in a range of property types. It also includes a high-efficiency pump to help reduce energy consumption while still delivering strong and reliable heating performance.\n\nWith its higher heating output, this system boiler is particularly suitable for medium to large homes that require greater heating capacity while still benefiting from a compact and efficient boiler.\n\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\nCompact and Lightweight Design\n\nIdeal for Installation in Cupboards or Small Spaces\n\nSystem Boiler – Works with a Hot Water Cylinder\n\nNo Cold Water Tank Required\n\nEasy Installation and Flexible Siting\n\nHigh Efficiency Pump for Reduced Energy Consumption\n\nReliable Heating Performance\n\nA Rated for Heating Efficiency\n\n2 Year Warranty (Subject to Manufacturer’s T\u0026amp;Cs)\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\nProduct: Vaillant ecoFIT Sustain 630 (ErP) System Boiler\n\nGTIN: 4024074850374\n\nProduct Type: Gas System Boiler\n\nModel: ecoFIT Sustain\n\nCentral Heating Output: 30kW (102,000 BTU)\n\nErP Heating Rating: A Rated\n\nGross Weight (Including Packaging): 34kg\n\nNet Weight: 32kg\n\nHeight: 700mm\n\nWidth: 390mm\n\nDepth: 295mm\n\nWarranty: 2 Years (Subject to Manufacturer’s T\u0026amp;Cs)\n\n\u003ch3\u003eWhat Is a System Boiler?\u003c\/h3\u003e\n\nA system boiler provides heating directly to radiators and works with a separate hot water cylinder to store hot water. Unlike heat-only boilers, system boilers do not require a cold water tank in the loft, making them suitable for sealed heating systems and homes where loft space is limited.\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003ch4\u003eWhat is the difference between a system boiler and a combi boiler?\u003c\/h4\u003e\n\nA system boiler works with a hot water cylinder, while a combi boiler heats water on demand and does not require a cylinder.\n\n\u003ch4\u003eIs a 30kW system boiler suitable for a large home?\u003c\/h4\u003e\n\nYes, a 30kW system boiler is typically suitable for medium to large homes depending on insulation and heating demand.\n\n\u003ch4\u003eCan this boiler replace an older system boiler?\u003c\/h4\u003e\n\nYes, the ecoFIT Sustain 630 is a suitable replacement for older system boilers and can improve efficiency and performance.","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":52979144098134,"sku":"148505","price":866.02,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/vaillant-ecofit-sustain-630-erp-system-boiler-only-2751072.jpg?v=1775036006"},{"product_id":"vaillant-ecofit-sustain-825-erp-combi-boiler-only","title":"Vaillant ecoFIT Sustain 825 (ErP) Combi Boiler Only","description":"\u003ch3\u003eVaillant ecoFIT Sustain 825 (ErP) Combi Boiler\u003c\/h3\u003e\n\nThe Vaillant ecoFIT Sustain 825 combi boiler is a compact and efficient combination boiler designed to provide both heating and hot water directly from one unit, without the need for a separate hot water cylinder or cold water tank. Its compact size and flexible installation options make it ideal for homes where space is limited.\n\nThis Quiet Mark-approved boiler operates very quietly, making it suitable for installation in kitchens, cupboards, or utility rooms. The ecoFIT Sustain 825 also features automatic purging assistance and a high-spec aluminium heat exchanger, helping to make installation easier while improving efficiency and performance.\n\nWith a high-efficiency pump, this combi boiler helps reduce energy consumption and standby losses while still providing reliable heating and hot water performance for everyday use.\n\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\nCompact and Space-Saving Design\n\nQuiet Mark Approved for Ultra-Quiet Operation\n\nCombi Boiler – No Cylinder or Loft Tank Required\n\nFlexible Installation with Top or Rear Flue Options\n\nAutomatic Purging Assistance for Easier Installation\n\nHigh Specification Aluminium Heat Exchanger\n\nHigh Efficiency Pump for Reduced Energy Consumption\n\nA Rated for Heating and Hot Water\n\nModern, Attractive Boiler Design\n\n2 Year Warranty (Subject to Manufacturer’s T\u0026amp;Cs)\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\nProduct: Vaillant ecoFIT Sustain 825 (ErP) Combi Boiler\n\nGTIN: 4024074778920\n\nProduct Type: Gas Combi Boiler\n\nModel: ecoFIT Sustain\n\nCentral Heating Output: 18kW (61,000 BTU)\n\nMax Domestic Hot Water Output: 25.2kW\n\nDomestic Hot Water Flow Rate: 10.4L\/min @ 35°C Rise\n\nErP Heating Rating: A Rated\n\nErP Hot Water Rating: A Rated\n\nGross Weight (Including Packaging): 34kg\n\nNet Weight: 32kg\n\nHeight: 700mm\n\nWidth: 390mm\n\nDepth: 295mm\n\nWarranty: 2 Years (Subject to Manufacturer’s T\u0026amp;Cs)\n\n\u003ch3\u003eWhat Is a Combi Boiler?\u003c\/h3\u003e\n\nA combi boiler provides both heating and hot water directly from the boiler without the need for a separate hot water cylinder or cold water tank. Hot water is delivered on demand, making combi boilers a space-saving and energy-efficient option for many homes.\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003ch4\u003eWhat size house is the ecoFIT Sustain 825 suitable for?\u003c\/h4\u003e\n\nThis combi boiler is typically suitable for small to medium-sized homes with one bathroom and moderate hot water demand.\n\n\u003ch4\u003eDo I need a hot water cylinder with a combi boiler?\u003c\/h4\u003e\n\nNo, a combi boiler heats water on demand and does not require a separate hot water cylinder.\n\n\u003ch4\u003eCan this boiler be installed in a cupboard?\u003c\/h4\u003e\n\nYes, the compact size and quiet operation make it suitable for installation in a kitchen cupboard or utility space.","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":52979144163670,"sku":"148479","price":976.58,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/vaillant-ecofit-sustain-825-erp-combi-boiler-only-8866718.jpg?v=1775036006"}],"url":"https:\/\/jjbuildingmaterials.co.uk\/collections\/system-boilers.oembed?page=3","provider":"JJ Building Materials","version":"1.0","type":"link"}