{"product_id":"worcester-greenstar-8000-40kw-combi-boiler","title":"Worcester Greenstar 8000+ 40KW Combi Boiler","description":"\u003ch3\u003eWorcester Greenstar 8000+ 40kW Combi Boiler\u003c\/h3\u003e\n\nThe Worcester Greenstar 8000+ 40kW Combi Boiler is a premium, high-efficiency combi boiler designed to deliver powerful heating and instant hot water for modern homes. As part of Worcester Bosch’s flagship 8000+ range, it brings together outstanding performance, stylish design and smart technology to create a reliable and energy-efficient solution for everyday living.\n\nBecause it’s a combination boiler, it produces hot water on demand without the need for a separate cylinder or storage tank — perfect for properties where space is limited but high performance is still required. Its advanced condensing technology improves efficiency by recovering heat that would normally be lost, helping to keep running costs down.\n\nWith a full-colour touch display, near-silent operation and compatibility with leading smart thermostats, the Greenstar 8000+ 40kW is designed for homeowners who want both convenience and top-tier reliability from their heating system.\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\nCombi system delivers heating and hot water instantly\n\nIdeal for medium to large homes needing higher hot water performance\n\nA-rated efficiency for both heating and hot water\n\nFull-colour digital touch screen for simple control and diagnostics\n\nUltra-quiet performance, suitable for central living areas\n\nModulating pump automatically adjusts output to reduce energy usage\n\nSmart thermostat compatible, including Bosch EasyControl\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\nManufacturer: Worcester Bosch\n\nModel: 8000+\n\nMPN: 7736702582\n\nSKU: 94058\n\nGTIN: 4069143014356\n\nPerformance:\n\nBoiler CH Output: 33 kW \/ 114,989 BTU\n\nMax DHW Output: 40 kW\n\nHot Water Flow Rate: 17.0 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: 47kg (55kg gross)\n\nWarranty:\n\n8 Years (subject to manufacturer T\u0026amp;Cs)\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e \u003ch4\u003eIs the 40kW model suitable for larger homes?\u003c\/h4\u003e Yes — its high output and strong flow rate make it ideal for medium to large properties, especially those with higher hot water needs. \u003ch4\u003eDoes this boiler need a hot water cylinder?\u003c\/h4\u003e No. As a combi boiler, it provides hot water instantly without needing a cylinder or loft tank. \u003ch4\u003eCan I use this boiler with a smart thermostat?\u003c\/h4\u003e Absolutely. It’s fully compatible with smart controls like Bosch EasyControl, Hive, and Nest for remote heating management.\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":51955218809174,"sku":"143611","price":1913.02,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/worcester-greenstar-8000-40kw-combi-boiler-6586835.jpg?v=1772638820","url":"https:\/\/jjbuildingmaterials.co.uk\/products\/worcester-greenstar-8000-40kw-combi-boiler","provider":"JJ Building Materials","version":"1.0","type":"link"}