Worcester Bosch Greenstar 8000+ 40kW Regular Boiler Including Flue & 15mm Scale Reducer

The Worcester Bosch Greenstar 8000+ 40kW Regular Boiler Including Flue & 15mm Scale Reducer is a premium heat only boiler package designed for larger homes with traditional open-vent heating systems. Supplied with a horizontal flue kit and a 15mm Scale Reducer, this complete package delivers exceptional heating performance while helping to reduce limescale build-up in hard water areas, protecting the boiler and maintaining long-term efficiency. Combining Worcester Bosch's latest engineering with smart control compatibility and a contemporary design, the Greenstar 8000+ is an ideal solution for demanding heating installations.

Designed to operate alongside a separate hot water cylinder and cold water storage tank, the Greenstar 8000+ 40kW Regular offers powerful central heating for larger family homes. Its full-colour touchscreen display, installer-friendly design, and compatibility with Worcester Bosch EasyControl make it an excellent upgrade for replacing older regular boilers while retaining an existing conventional heating system.

Key Features

• 40kW Regular (Heat Only) Boiler
• Includes Horizontal Flue Kit
• Includes 15mm Scale Reducer
• Fuel Type: Natural Gas
• Designed for traditional open-vent heating systems
• Requires a separate hot water cylinder and cold water storage tank
• ErP A Rated for heating
• Up to 94% central heating efficiency
• Premium full-colour touchscreen display
• EasyControl compatible
• Solar compatible
• Quiet operation
• Modern premium design
• SimpleSwitch installation for easier boiler replacement
• Up to 12-Year manufacturer's warranty (subject to installation, registration, use of a Worcester Bosch system filter, and manufacturer's warranty terms)

Ideal for Large Traditional Heating Systems

The Worcester Bosch Greenstar 8000+ 40kW Regular Boiler is ideal for large homes with multiple radiators and high central heating requirements. Working alongside a separate hot water cylinder, it provides reliable and efficient heating while retaining the advantages of a conventional heating system.

The included 15mm Scale Reducer helps minimise limescale accumulation, protecting the heat exchanger and supporting long-term system efficiency in hard water areas.

Powerful Central Heating Performance

Delivering a 39.8kW central heating output, the Greenstar 8000+ 40kW Regular provides powerful and consistent heating performance for larger properties. Advanced condensing technology maximises energy efficiency while reducing gas consumption and helping to lower household heating costs.

Its high heating capacity makes it ideal for homes with greater radiator demands and larger living spaces.

Premium Compact Design

Despite its impressive heating output, the Greenstar 8000+ maintains a sleek, contemporary design with compact dimensions that simplify installation.

Dimensions

• Height: 780mm
• Width: 440mm
• Depth: 365mm

The included horizontal flue and 15mm Scale Reducer complete the installation package while helping to protect the heating system for years of reliable operation.

Advanced Energy Efficiency

Rated ErP A with 94% central heating efficiency, the Greenstar 8000+ uses advanced condensing technology to maximise heat recovery while reducing energy consumption.

Its efficient operation helps lower running costs while maintaining excellent heating performance throughout the home.

Smart Heating Control Compatibility

The Greenstar 8000+ is fully compatible with Worcester Bosch EasyControl, allowing homeowners to control their heating remotely via smartphone or tablet. It is also compatible with solar thermal systems, providing greater flexibility for future renewable heating upgrades.

Reliable Performance & Easy Maintenance

Built to Worcester Bosch's premium engineering standards, the Greenstar 8000+ features durable internal components, an intuitive touchscreen interface, and excellent servicing accessibility.

Its SimpleSwitch installation system helps simplify compatible boiler replacements while reducing installation time and ongoing maintenance requirements.

Warranty & Peace of Mind

The Worcester Bosch Greenstar 8000+ 40kW Regular Boiler Including Flue & 15mm Scale Reducer includes up to a 12-Year manufacturer's warranty when installed and registered in accordance with Worcester Bosch's qualifying warranty conditions, providing long-term confidence and dependable after-sales support.

Why Choose the Worcester Bosch Greenstar 8000+ 40kW Regular Boiler Including Flue & 15mm Scale Reducer?

• Premium Worcester Bosch regular boiler
• Powerful 39.8kW heating output
• Includes Horizontal Flue
• Includes 15mm Scale Reducer
• Designed for large traditional heating systems
• 94% central heating efficiency
• EasyControl compatible
• Solar compatible
• Premium touchscreen display
• Up to 12-Year manufacturer's warranty