{"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","url":"https:\/\/jjbuildingmaterials.co.uk\/products\/worcester-greenstar-4000-18kw-lpg-system-boiler","provider":"JJ Building Materials","version":"1.0","type":"link"}