Worcester Greenstar 8000 F Gas Combi Boiler 35kW - 60/100 Horizontal Flue & Thermostat Black

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
• Please note: previous Greenstar Highflow and FS CDi Regular flues are not compatible with the 8000 F range.

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.

Thermostat Key Features

• User-friendly control displays — tailor heating times and temperature
• Home Presence detection — automatically turns the heating down if you're not home
• App-controlled functions — displays gas consumption for heating and hot water and more details
• Digital display — easier-to-read information

Guarantee

• Boiler: 7 years (up to 10 years)
• Thermostat: 1 year

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
• Worcester Bosch EasyControl smart thermostat, black

This boiler pack includes the Worcester Greenstar 8000 F 35kW gas combi boiler, 60/100 horizontal flue and accessories, and the Worcester Bosch EasyControl smart thermostat (black).

Worcester Greenstar 8000 F 35kW Gas Combi Boiler

The Worcester Greenstar 8000 F 35kW gas combi boiler is ideal for medium to large homes with up to 10–15 radiators. Delivering 19.8 l/min of hot water, it supports deep baths, multiple taps, and on-demand hot water.

This space-saving combi unit provides both heating and hot water without a separate tank. Its backlit digital display with touch controls allows precise scheduling and temperature adjustments.

Built-in frost protection safeguards the boiler, pipes, and radiators from freezing, reducing the risk of leaks and corrosion.

With an ErP A rating, this energy-efficient boiler lowers gas consumption, cutting bills and reducing your carbon footprint.

Worcester Greenstar 8000 F 60/100 Horizontal Flue Kit

The Worcester Greenstar 8000 F 60/100 horizontal flue kit (7724001996) includes all necessary accessories to safely vent boiler exhaust through an external wall.

The flue elbow and connector feature a 3° built-in angle to ensure condensate drains back to the boiler efficiently.

Worcester Bosch EasyControl Smart Thermostat

The Worcester Bosch EasyControl smart thermostat lets you manage your heating from anywhere via the app, setting temperatures, schedules, and individual rooms with ease.

It connects to the boiler with a two-core cable, with all other communication over Wi-Fi — no external sensors required. Setup is simple through the EasyControl app.

Smart features include home presence detection, an intuitive display, and adaptive learning that adjusts to your routines.

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