The Worcester Bosch Greenstar 8000 F 35kW Combi Boiler 7731600297 (Now with Upto 10 year Guarantee) is a powerful floor-standing gas boiler designed for large, busy family homes. Combining high central heating output with generous hot water performance, it keeps multiple showers and taps running while maintaining comfortable room temperatures.

Part of the renowned Worcester Bosch Greenstar 8000 family, this F-series model offers a sleek, appliance-style finish, intuitive touch controls and flexible installation options. Its compact 850mm height and 600mm x 600mm footprint mean it fits neatly under most standard kitchen counters or into a utility space, while the integrated pre-piping roller jig and SimpleSwitch connections make replacement upgrades straightforward for installers.

Product Application

This 35kW natural gas combi boiler is ideal for larger domestic properties with higher hot water demand, such as homes with 3–4 bedrooms, multiple bathrooms and busy households where heating and hot water are required at the same time. The floor-standing design suits kitchens, utilities and plant rooms where a conventional wall space may not be available but a premium, high-capacity combi is required.

Product Specifications

Key Features

• 35kW floor-standing gas combi boiler engineered for large, high-demand family homes.
• Compact 850mm height with 600 x 600mm footprint for neat installation under standard kitchen worktops.
• Strong hot water performance with up to 12 l/min at ΔT 40°C (approx. 14.2 l/min at ΔT 35°C).
• ErP A-rated domestic hot water efficiency to help keep energy consumption and running costs under control.
• Pre-piping roller jig and rear pipework arrangement for quicker, easier fitting and boiler replacements.
• SimpleSwitch pipe centres to suit previous Greenstar CDi Highflow and FS CDi floor-standing models, reducing re-pipe work on upgrades.
• Space within the combi casing to integrate a Worcester Greenstar System Filter 22mm, keeping filtration close to the boiler and simplifying servicing.
• Modern, full-colour long-text display with backlit touch buttons for clear, intuitive user control.
• Compatible with Worcester Bosch EasyControl and other suitable controls for smart, connected heating management.
• Quiet condensing operation (around 52 dB(A)) for discreet performance in kitchens and utility rooms.
• 7-year manufacturer guarantee as standard via merchants, with potential for extended terms through accredited installers (subject to T&Cs).

The Worcester Bosch Greenstar 8000 F 35kW Combi Boiler 7731600297 offers installers a flexible, floor-standing replacement option and homeowners a powerful, efficient and easy-to-use heating solution, with smart controls, integrated filtration space and strong hot water performance for demanding family lifestyles. Order online from GetPlumb UK for fast, reliable delivery and expert support.