{"product_id":"worcester-bosch-greenstar-8000-36kw-gas-combi-boiler-7736702579","title":"Worcester Bosch Greenstar 8000+ 36kW Gas Combi Boiler - 7736702579","description":"\u003ch2\u003eWorcester Bosch Greenstar 8000+ 36kW Gas Combi Boiler - 7736702579\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eWorcester Bosch Greenstar 8000+ 36kW Gas Combi Boiler - 7736702579\u003c\/strong\u003e is a premium Natural Gas combination boiler designed for larger and busier homes requiring powerful central heating and strong instantaneous domestic hot water performance.\u003c\/p\u003e\n\n\u003cp\u003ePart of Worcester Bosch's flagship Greenstar 8000+ range, the \u003cstrong\u003eGR8701iW 36 C NG\u003c\/strong\u003e combines high performance with a modern white casing, full-colour display, backlit touch controls and installer-friendly features designed to simplify fitting, servicing and everyday operation.\u003c\/p\u003e\n\n\u003cp\u003eWith a maximum domestic hot water input of \u003cstrong\u003e36kW\u003c\/strong\u003e, central heating output of up to \u003cstrong\u003e33.7kW\u003c\/strong\u003e and a hot water flow rate of up to \u003cstrong\u003e15.2 litres per minute at a 35°C rise\u003c\/strong\u003e, this model is particularly well suited to medium to larger homes with higher hot water demands, subject to correct system sizing and adequate mains water pressure.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePremium Worcester Bosch Greenstar 8000+ combination boiler\u003c\/li\u003e\n  \u003cli\u003eManufacturer part number: \u003cstrong\u003e7736702579\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eModel: \u003cstrong\u003eGR8701iW 36 C NG\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eNatural Gas condensing combi boiler\u003c\/li\u003e\n  \u003cli\u003e36kW maximum domestic hot water input\u003c\/li\u003e\n  \u003cli\u003eMaximum central heating output: 33.7kW\u003c\/li\u003e\n  \u003cli\u003eDHW flow rate: 15.2L\/min at a 35°C rise\u003c\/li\u003e\n  \u003cli\u003eDHW flow rate: 13.5L\/min at a 40°C rise\u003c\/li\u003e\n  \u003cli\u003eErP A-rated space heating performance\u003c\/li\u003e\n  \u003cli\u003eErP A-rated water heating performance\u003c\/li\u003e\n  \u003cli\u003e94% seasonal space-heating efficiency\u003c\/li\u003e\n  \u003cli\u003e87% water-heating efficiency\u003c\/li\u003e\n  \u003cli\u003eFull-colour display with backlit touch controls\u003c\/li\u003e\n  \u003cli\u003ePre-plumbing jig supplied for easier installation\u003c\/li\u003e\n  \u003cli\u003eRear piping capability\u003c\/li\u003e\n  \u003cli\u003eLarge condensate siphon\u003c\/li\u003e\n  \u003cli\u003eOptional Worcester Intelligent Filling System compatibility\u003c\/li\u003e\n  \u003cli\u003eCompatible with Bosch EasyControl and selected Worcester controls\u003c\/li\u003e\n  \u003cli\u003eSolar compatible\u003c\/li\u003e\n  \u003cli\u003eCompact 5mm side clearances\u003c\/li\u003e\n  \u003cli\u003eWall-mounted internal installation\u003c\/li\u003e\n  \u003cli\u003eLow NOx emissions\u003c\/li\u003e\n  \u003cli\u003eUp to 12-year guarantee available subject to Worcester Bosch terms and qualifying installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eBoiler Specification\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Worcester Bosch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRange:\u003c\/strong\u003e Greenstar 8000+\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e GR8701iW 36 C NG\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Gas Combination Boiler\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 7736702579\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEAN \/ GTIN:\u003c\/strong\u003e 4069143014240\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGas Council Number:\u003c\/strong\u003e 47-800-45\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFuel Type:\u003c\/strong\u003e Natural Gas\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBoiler Type:\u003c\/strong\u003e Condensing Combination Boiler\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum DHW Input:\u003c\/strong\u003e 36kW\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum CH Output:\u003c\/strong\u003e 33.7kW\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCentral Heating Output Range:\u003c\/strong\u003e 5.1-33.7kW\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDHW Flow Rate at 35°C Rise:\u003c\/strong\u003e 15.2L\/min\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDHW Flow Rate at 40°C Rise:\u003c\/strong\u003e 13.5L\/min\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinimum DHW Activation Flow:\u003c\/strong\u003e 1.9L\/min\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDHW Temperature Range:\u003c\/strong\u003e 35°C-60°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDeclared Load Profile:\u003c\/strong\u003e XL\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eErP Space Heating Class:\u003c\/strong\u003e A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eErP Water Heating Class:\u003c\/strong\u003e A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeasonal Space Heating Efficiency:\u003c\/strong\u003e 94%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWater Heating Efficiency:\u003c\/strong\u003e 87%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSound Power Level:\u003c\/strong\u003e 53dB\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNOx Emissions:\u003c\/strong\u003e 25mg\/kWh\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Horizontal 60\/100 Flue Length:\u003c\/strong\u003e 10m, subject to approved flue configuration\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Vertical 60\/100 Flue Length:\u003c\/strong\u003e 14m, subject to approved flue configuration\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExpansion Vessel Capacity:\u003c\/strong\u003e 10 litres\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExpansion Vessel Pre-Charge:\u003c\/strong\u003e 0.75 bar\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Heating System Pressure:\u003c\/strong\u003e 2.5 bar\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProtection Rating:\u003c\/strong\u003e IPX4D\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Wall Mounted\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstallation Location:\u003c\/strong\u003e Internal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e White\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 780mm H x 440mm W x 365mm D\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 780mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 440mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDepth:\u003c\/strong\u003e 365mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAppliance Weight:\u003c\/strong\u003e 47kg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLift Weight:\u003c\/strong\u003e 41kg with front and side panels removed\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTotal Packaged Weight:\u003c\/strong\u003e 55kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePowerful Hot Water Performance\u003c\/h3\u003e\n\u003cp\u003eThe Greenstar 8000+ 36kW has been designed for homes with higher domestic hot water requirements. With a flow rate of up to \u003cstrong\u003e15.2 litres per minute at a 35°C temperature rise\u003c\/strong\u003e, it offers stronger hot water delivery than lower-output combi models when adequate mains water pressure and flow are available.\u003c\/p\u003e\n\n\u003ch3\u003ePremium Controls \u0026amp; Connectivity\u003c\/h3\u003e\n\u003cp\u003eA full-colour display with backlit touch controls provides intuitive access to boiler settings and diagnostics. The Greenstar 8000+ is also compatible with \u003cstrong\u003eBosch EasyControl\u003c\/strong\u003e and selected Worcester Bosch controls, helping installers create a more responsive and efficient heating system.\u003c\/p\u003e\n\n\u003ch3\u003eInstaller-Friendly Design\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePre-plumbing jig supplied as standard\u003c\/li\u003e\n  \u003cli\u003eRear piping capability\u003c\/li\u003e\n  \u003cli\u003eAccessible electrical connections\u003c\/li\u003e\n  \u003cli\u003eDrop-down control fascia for servicing\u003c\/li\u003e\n  \u003cli\u003eFront-access pressure relief valve\u003c\/li\u003e\n  \u003cli\u003eLarge condensate siphon designed to help reduce freezing risk\u003c\/li\u003e\n  \u003cli\u003eOptional Intelligent Filling System compatibility\u003c\/li\u003e\n  \u003cli\u003eDigital system pressure display\u003c\/li\u003e\n  \u003cli\u003eOnly 5mm side clearance required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMedium to larger homes\u003c\/li\u003e\n  \u003cli\u003eBusy family properties\u003c\/li\u003e\n  \u003cli\u003eProperties with higher instantaneous hot water requirements\u003c\/li\u003e\n  \u003cli\u003eHomes with one main bathroom and demanding shower use\u003c\/li\u003e\n  \u003cli\u003eReplacement combi boiler installations\u003c\/li\u003e\n  \u003cli\u003eModern central heating upgrades\u003c\/li\u003e\n  \u003cli\u003eProperties requiring a premium Natural Gas combi boiler\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eGuarantee Information\u003c\/h3\u003e\n\u003cp\u003eThe Greenstar 8000+ is supplied with a \u003cstrong\u003estandard 8-year guarantee\u003c\/strong\u003e. Worcester Bosch offers extended guarantee options when the boiler is installed with qualifying Worcester Bosch accessories and registered in accordance with current terms. Up to \u003cstrong\u003e12 years\u003c\/strong\u003e may be available through qualifying Worcester Bosch installer or loyalty arrangements. Always check the latest Worcester Bosch guarantee terms at the time of installation.\u003c\/p\u003e\n\n\u003ch3\u003eImportant Product Note\u003c\/h3\u003e\n\u003cp\u003eThis listing is for the \u003cstrong\u003eWorcester Bosch Greenstar 8000+ 36kW Natural Gas Combi Boiler - 7736702579\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFlue kit, system filter, heating controls, chemicals, pipework, fittings and installation accessories are not included unless specifically stated elsewhere in the product listing.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eAlways confirm the required flue arrangement, heating load, domestic hot water demand, mains water pressure and system design before ordering. Published maximum hot water flow rates require adequate dynamic mains water pressure and incoming flow.\u003c\/p\u003e\n\n\u003ch3\u003eProfessional Installation Required\u003c\/h3\u003e\n\u003cp\u003eThis gas boiler must be installed, commissioned and registered by a suitably qualified \u003cstrong\u003eGas Safe registered engineer\u003c\/strong\u003e. Installation must comply with current UK gas safety requirements, Building Regulations and Worcester Bosch installation instructions.\u003c\/p\u003e","brand":"Worcester Bosch","offers":[{"title":"Default Title","offer_id":50543080440064,"sku":"7736702579","price":1815.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/2814\/files\/Worcester_Bosch_8000_Front_1.jpg?v=1791290052","url":"https:\/\/spares-direct.com\/de\/products\/worcester-bosch-greenstar-8000-36kw-gas-combi-boiler-7736702579","provider":"Spares Direct","version":"1.0","type":"link"}