{"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","url":"https:\/\/jjbuildingmaterials.co.uk\/products\/worcester-greenstar-4000-24kw-system","provider":"JJ Building Materials","version":"1.0","type":"link"}