Worcester Bosch Greenstar 8000+ 40kW Gas Combi Boiler - 7736702582

Worcester Bosch Greenstar 8000+ 40kW Gas Combi Boiler - 7736702582 The Worcester Bosch Greenstar 8000+ 40kW Gas Combi Boiler - 7736702582 is a premium Natural Gas combination boiler designed for larger, busy homes with high central heating and domestic hot water demands. Part of Worcester Bosch's flagship Greenstar 8000+ range, the GR8701iW 40 C NG combines powerful performance with modern controls, a full-colour display, backlit touch buttons and installer-friendly features designed to make fitting, commissioning and servicing straightforward. With a rated domestic hot water input of 40.8kW, maximum central heating output of up to 33.7kW and a hot water flow rate of up to 17.1 litres per minute at a 35°C temperature rise, the Greenstar 8000+ 40kW is well suited to larger family homes with substantial hot water requirements, subject to adequate mains pressure and correct system sizing. Key Features Premium Worcester Bosch Greenstar 8000+ combination boiler Manufacturer part number: 7736702582 Model: GR8701iW 40 C NG Natural Gas condensing combination boiler 40.8kW rated domestic hot water input Maximum central heating output: 33.7kW at 80/60°C DHW flow rate: 17.1L/min at a 35°C rise DHW flow rate: 15L/min at a 40°C rise ErP A-rated space heating performance ErP A-rated water heating performance 94% seasonal space-heating efficiency 86% water-heating efficiency Full-colour display with backlit touch controls Pre-plumbing jig supplied for easier installation Rear piping capability Large condensate siphon Optional Worcester Intelligent Filling System compatibility Compatible with Bosch EasyControl and selected Worcester controls Solar compatible Compact 5mm side clearances Wall-mounted internal installation Low NOx Class 6 performance Up to 12-year guarantee available subject to Worcester Bosch terms and qualifying installation Boiler Specification Brand: Worcester Bosch Range: Greenstar 8000+ Model: GR8701iW 40 C NG Product Type: Gas Combination Boiler Manufacturer Part Number: 7736702582 EAN / GTIN: 4069143014356 Gas Council Number: 47-800-46 Fuel Type: Natural Gas Boiler Type: Condensing Combination Boiler Rated DHW Input: 40.8kW Minimum DHW Input: 5.1kW Maximum CH Output at 80/60°C: 33.7kW Maximum CH Output at 50/30°C: 35.0kW CH Rated Output Adjustment Range at 80/60°C: 16.9 - 33.7kW DHW Flow Rate at 35°C Rise: 17.1L/min DHW Flow Rate at 40°C Rise: 15L/min Minimum DHW Activation Flow: 1.9L/min DHW Temperature Range: 35°C - 60°C Declared Load Profile: XL ErP Space Heating Class: A ErP Water Heating Class: A Seasonal Space Heating Efficiency: 94% Water Heating Efficiency: 86% Sound Power Level: 53dB NOx Class: Class 6 Maximum Horizontal 60/100 Flue Length: 11m, subject to approved flue configuration Maximum Vertical 60/100 Flue Length: 15m, subject to approved flue configuration Maximum Horizontal 80/125 Flue Length: 35m Maximum Vertical 80/125 Flue Length: 35m Expansion Vessel Capacity: 10 litres Expansion Vessel Pre-Charge: 0.75 bar Maximum Heating System Pressure: 2.5 bar Protection Rating: IPX4D Electrical Supply: 230V / 50Hz Mounting: Wall Mounted Installation Location: Internal Colour: White Dimensions: 780mm H x 440mm W x 365mm D Height: 780mm Width: 440mm Depth: 365mm Appliance Weight: 47kg Lift Weight: 41kg with front and side panels removed Total Packaged Weight: 55kg High Hot Water Performance The Greenstar 8000+ 40kW is designed for properties with demanding hot water requirements. A maximum flow rate of 17.1 litres per minute at a 35°C temperature rise provides strong instantaneous hot water performance when the property has sufficient incoming mains water pressure and flow. Premium Controls & Connectivity The Greenstar 8000+ features a modern full-colour display with backlit touch controls for simple operation and diagnostics. Compatibility with Bosch EasyControl and selected Worcester Bosch controls provides additional options for intelligent heating management. Installer-Friendly Design Pre-plumbing jig supplied as standard Rear piping capability Accessible electrical connections Drop-down control fascia for servicing Front-access pressure relief valve Large condensate siphon Optional Intelligent Filling System compatibility Digital system pressure display Only 5mm side clearance required Compatible with Worcester Condensfit II flue systems Ideal For Larger family homes Busy households with higher hot water demand Properties requiring strong shower and hot water performance Homes with one main bathroom and substantial simultaneous hot water demand Replacement high-output combi boiler installations Modern central heating upgrades Properties requiring a premium Natural Gas combi boiler Guarantee Information The Worcester Bosch Greenstar 8000+ range is supplied with an 8-year standard guarantee. Extended guarantee options are available when installed with qualifying Worcester Bosch products and registered in accordance with current manufacturer terms, with up to 12 years available on qualifying installations. Important Product Note This listing is for the Worcester Bosch Greenstar 8000+ 40kW Natural Gas Combi Boiler - 7736702582. Flue kit, system filter, heating controls, chemicals, pipework, fittings and installation accessories are not included unless specifically stated elsewhere in the product listing. Always confirm the required flue arrangement, property heat loss, domestic hot water demand, mains water pressure and complete heating system design before ordering. Published maximum hot water flow rates require suitable incoming mains pressure and flow. Professional Installation Required This gas boiler must be installed, commissioned and registered by a suitably qualified Gas Safe registered engineer. Installation must comply with current UK gas safety requirements, Building Regulations and Worcester Bosch installation instructions.