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

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.

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

Flue Key Features

• Vertical orientation — vents gases straight up through the roof
• Boiler compatibility — Worcester 8000 F boiler range
• Built-in 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 (up to 10 years)
• Thermostat: 1 year

What's Included

• Worcester Greenstar 8000 F 35kW gas combi boiler
• Boiler and floor mounting jig 
• Worcester Bosch EasyControl smart thermostat, white
• Vertical flue
• Flue connector
• Flue adaptor
• Support bracket
• Fire stop plates
• Flue connector mounting accessories
• Fire stop plates mounting accessories
• Wall fixing bracket mounting accessories
• Instructions
• Flue retainer clamp - small

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

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. It delivers 19.8 l/min hot water, supporting 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, the 35kW boiler is energy-efficient, lowering gas use, cutting bills, and reducing your carbon footprint.

Worcester Bosch EasyControl Smart Thermostat

The Worcester Bosch EasyControl smart thermostat lets you control heating from anywhere via the app, adjusting temperatures, schedules, and rooms with ease.

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

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

Worcester Greenstar 8000 F 60/100 Vertical Flue Kit

The Worcester Greenstar 8000 F 60/100 vertical flue kit (7724001997) is specifically designed for the Worcester 8000 F boiler range, ensuring a precise fit and safe operation.

The kit includes all necessary installation accessories and features a 3° built-in angle to direct condensate back to the boiler efficiently.

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