{"product_id":"worcester-greenstar-8000-45kw-combi-boiler","title":"Worcester Greenstar 8000+ 45KW Combi Boiler","description":"\u003ch3\u003eWorcester Greenstar 8000+ 45kW Combi Boiler\u003c\/h3\u003e\n\nThe Worcester Greenstar 8000+ 45kW Combi Boiler is one of the most powerful gas combination boilers available in the Greenstar 8000+ range. Designed for homes with high heating and hot water demands, it delivers exceptional performance while offering the reliability and advanced technology Worcester Bosch is known for.\n\nAs a combi boiler, it provides both heating and instant hot water directly from one unit, removing the need for a separate cylinder or storage tank. This makes it an excellent choice for larger households that want strong hot water flow without sacrificing space.\n\nEngineered with high-efficiency condensing technology, the Greenstar 8000+ 45kW is A-rated for both heating and hot water, helping to reduce energy usage and keep running costs down. It also features a modern digital display, built-in frost protection and extremely quiet operation — perfect for installation in more central areas of the home.\n\nWith its impressive hot water performance and robust output, this model is ideal for larger properties with multiple bathrooms or higher-than-average hot water requirements.\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\nHigh-performance 45kW combi boiler suitable for large homes\n\nInstant heating and hot water from a single compact unit\n\nA-rated efficiency for reduced running costs and eco-friendly operation\n\nEasy-to-use digital display for simple control and system monitoring\n\nQuiet operation, ideal for flexible placement within the home\n\nBuilt-in frost protection for year-round reliability\n\nPart of the premium Worcester Bosch Greenstar 8000+ range\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\nManufacturer: Worcester Bosch\n\nModel: 8000+\n\nMPN: 7736702583\n\nSKU: 94059\n\nGTIN: 4069143014363\n\nPerformance:\n\nCH Output: 33 kW \/ 115,330 BTU\n\nMax DHW Output: 45 kW\n\nHot Water Flow Rate: 18.0 L\/min @ 35°C rise\n\nErP Heating Rating: A Rated\n\nErP Hot Water Rating: A Rated\n\nDimensions:\n\nHeight: 780mm\n\nWidth: 440mm\n\nDepth: 365mm\n\nWeight: 49kg (57kg gross)\n\nWarranty:\n\n8 Years (subject to manufacturer T\u0026amp;Cs)\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e \u003ch4\u003eIs the 45kW model suitable for large homes?\u003c\/h4\u003e Yes — its high output and strong hot water flow rate make it ideal for larger homes, especially those with multiple bathrooms. \u003ch4\u003eDo I need a hot water cylinder for this boiler?\u003c\/h4\u003e No. This is a combi boiler, so it provides instant hot water without the need for a cylinder or loft tank. \u003ch4\u003eIs the boiler quiet when running?\u003c\/h4\u003e Yes. The 8000+ range is designed for reduced noise, making it suitable for installation in kitchens, utilities or even internal cupboards.\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":51955275301206,"sku":"143612","price":2268.57,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/worcester-greenstar-8000-45kw-combi-boiler-5485957.jpg?v=1772638819","url":"https:\/\/jjbuildingmaterials.co.uk\/products\/worcester-greenstar-8000-45kw-combi-boiler","provider":"JJ Building Materials","version":"1.0","type":"link"}