Worcester Bosch Greenstar 8000+ 35kW System Boiler Including Flue & 15mm Scale Reducer

The Worcester Bosch Greenstar 8000+ 35kW System Boiler Including Flue & 15mm Scale Reducer is a premium heating package designed for larger homes with a sealed heating system and a separate hot water cylinder. Supplied with a horizontal flue kit and a 15mm Scale Reducer, this complete solution delivers powerful, energy-efficient central heating while helping to reduce limescale build-up in hard water areas, protecting the boiler and supporting long-term reliability. Combining Worcester Bosch's latest engineering, a premium touchscreen interface, and smart heating compatibility, the Greenstar 8000+ is built for exceptional comfort and performance.

Designed for properties with higher heating demands, the Greenstar 8000+ 35kW System Boiler works alongside an unvented hot water cylinder to provide dependable heating throughout the home. Its stylish modern design, installer-friendly features, and compatibility with Worcester Bosch EasyControl make it an excellent upgrade for existing system boilers.

Key Features

• 35kW System Boiler
• Includes Horizontal Flue Kit
• Includes 15mm Scale Reducer
• Fuel Type: Natural Gas
• Designed for sealed heating systems with a separate hot water cylinder
• ErP A Rated for heating
• Up to 94% central heating efficiency
• Premium full-colour touchscreen display
• EasyControl compatible
• Solar compatible
• Quiet operation
• Contemporary 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 Larger Homes

The Worcester Bosch Greenstar 8000+ 35kW System Boiler is ideal for medium to large family homes with multiple radiators and a separate hot water cylinder. It delivers powerful and reliable heating while maintaining excellent energy efficiency, making it perfect for households with higher central heating requirements.

The included 15mm Scale Reducer helps minimise limescale formation, protecting the boiler's heat exchanger and supporting long-term performance, particularly in hard water areas.

Powerful Central Heating Performance

Delivering a 33.7kW central heating output, the Greenstar 8000+ System Boiler provides fast, efficient, and consistent heating throughout the home. Its advanced condensing technology maximises energy efficiency while reducing gas consumption and helping lower household heating costs.

Premium Compact Design

Despite its impressive heating output, the Greenstar 8000+ maintains a sleek and contemporary appearance 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 maintain long-term system efficiency.

Advanced Energy Efficiency

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

Its intelligent modulation automatically adjusts output to match heating demand, improving comfort while helping reduce running costs.

Smart Heating Control Compatibility

The Greenstar 8000+ is fully compatible with Worcester Bosch EasyControl, allowing homeowners to manage heating schedules remotely using a 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 robust internal components, an intuitive full-colour touchscreen display, and straightforward servicing access.

Its SimpleSwitch installation system makes replacing compatible Worcester Bosch boilers faster and easier, helping reduce installation time and simplify future maintenance.

Warranty & Peace of Mind

The Worcester Bosch Greenstar 8000+ 35kW System 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 homeowners with long-term confidence and dependable after-sales support.

Why Choose the Worcester Bosch Greenstar 8000+ 35kW System Boiler Including Flue & 15mm Scale Reducer?

• Premium Worcester Bosch system boiler
• 33.7kW heating output
• Includes Horizontal Flue
• Includes 15mm Scale Reducer
• Designed for sealed heating systems
• Up to 94% central heating efficiency
• EasyControl compatible
• Solar compatible
• Premium full-colour touchscreen display
• Up to 12-Year manufacturer's warranty