Worcester Greenstar 8000 F Gas Combi Boiler 35kW - 60/100 Horizontal Flue Kit

Boiler Key Features

• Gas combi boiler — doesn’t require a separate water tank
• 35kW output — suitable for a medium-large home
• Digital display with touch buttons — intuitive operation for accurate control and better visibility
• ErP rating A — reduced gas consumption for lower bills
• 850(H) x 600(W) x 600(D)mm — fits into most rooms
• Built-in frost protection — prevents internal damage when temperatures drop
• SimpleSwitch — easy switch out from Greenstar CDi Highflow or FS Cdi
• Compatible with a 22mm system filter — to prevent blockages, corrosion, and damage in the boiler
• 19.8l/min hot water delivery — suitable for deep baths, multiple taps on simultaneously, etc.
• Roller jig piping supplied as standard — for easier installation
• Solar compatible with additional accessories — for additional energy savings

Flue Key Features

• Horizontal orientation — allows the boiler to vent exhaust gases directly through an external wall
• Boiler compatibility — Worcester Greenstar 8000 F range
• In-built 3° angle — ensures the condensate flows back to the appliance
• 60/100 size — 60/100mm diameter
• Please note: previous Greenstar Highflow and FS CDi Regular flues are not compatible with the 8000 F range.

Guarantee

• Boiler: 7 years standard (up to 10 years available)

What's Included

• Worcester Greenstar 8000 F 35kW gas combi boiler
• Boiler and floor mounting jig 
• Flue connector
• Telescopic flue
• Flue adaptor
• 93° elbow
• Flue retainer clamp - large
• Grease pack
• 2x Securing screws
• Sachet of grease
• Inner seal (white)
• Outer seal (black)
• Instructions
• Aluminium tape

This boiler back includes the Worcester Greenstar 8000 F gas combi boiler 35kW and a 60/100 horizontal flue with accessories.

Worcester Greenstar 8000 F Gas Combi Boiler 35kW

The Worcester Greenstar 8000 F 35kW gas combi boiler is ideal for medium to large homes with up to 10–15 radiators. It delivers a hot water flow of 19.8 l/min, making it possible to run deep baths, operate multiple taps simultaneously without temperature drops, and enjoy hot water instantly whenever it’s needed.

As a combined heating and hot water system, this combi boiler eliminates the need for a separate water tank, making it a space-saving solution for modern homes.

Digital Display with Touch Controls

Featuring a backlit digital display with touch-sensitive buttons, the Worcester 8000 F allows precise control over heating and hot water settings. You can easily program schedules and adjust temperatures to match your household’s needs.

Integrated Frost Protection

The built-in frost protection safeguards the boiler, pipes, and radiators by automatically activating when temperatures fall below a certain level. This helps prevent freezing, corrosion, and leaks, while extending the lifespan of the boiler’s internal components.

Energy Efficiency – ErP Rating A

With an ErP A rating, this 35kW boiler consumes less gas, helping reduce energy bills and lower your carbon footprint. Its efficient operation ensures cost-effective heating and hot water all year round.

Worcester Greenstar 8000 F 60/100 Horizontal Flue Kit

The Worcester Greenstar 8000 F 60/100 horizontal flue kit (7724001996) comes with a selection of accessories designed to safely route the boiler’s exhaust gases through an external wall.

Both the flue elbow and flue connector incorporate a 3° built-in angle, allowing condensate to drain back toward the boiler efficiently.

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Add this boiler and flue pack to the basket for hot water on demand throughout the year.