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