Worcester Bosch 24Ri Heat Only Boiler Including Flue & 15mm Scale Reducer

The Worcester Bosch 24Ri Heat Only Boiler Including Flue & 15mm Scale Reducer is a compact, high-efficiency heating package designed for homes with a traditional open-vent or conventional heating system. Supplied with a horizontal flue kit and a 15mm Scale Reducer, this complete solution provides dependable central heating while helping to reduce limescale build-up in hard water areas, protecting the boiler and maintaining long-term performance. Despite its compact dimensions, the Greenstar 24Ri delivers a powerful 24kW heating output, making it ideal for medium-sized homes.

Part of the trusted Worcester Bosch Greenstar Ri range, the 24Ri is designed to work alongside a separate hot water cylinder and cold water storage tank. Its cupboard-fit dimensions, quiet operation, flexible flue options, and compatibility with Worcester Bosch heating controls make it an excellent choice for replacing older regular boilers while improving overall heating efficiency.

Key Features

• 24kW Heat Only (Regular) Boiler
• Includes Horizontal Flue Kit
• Includes 15mm Scale Reducer
• Fuel Type: Natural Gas
• Designed for open-vent and conventional heating systems
• Requires a separate hot water cylinder and cold water storage tank
• ErP A Rated for heating
• Up to 92% seasonal efficiency
• Compact cupboard-fit design
• Quiet operation
• Multi-directional flue compatibility
• Compatible with Worcester Bosch heating controls
• Solar compatible
• Simple fascia-mounted heating temperature controls
• Up to 10-Year manufacturer's warranty (subject to installation, registration, and manufacturer's terms)

Ideal for Traditional Heating Systems

The Worcester Bosch 24Ri Heat Only Boiler is ideal for medium-sized homes with an existing conventional heating system incorporating a separate hot water cylinder and cold water storage tank. It provides an efficient replacement for older regular boilers while allowing homeowners to retain their existing heating infrastructure. Its compact size also allows it to fit neatly inside a standard kitchen cupboard.

The included 15mm Scale Reducer helps minimise limescale formation, making this package particularly suitable for homes located in hard water areas.

Powerful Central Heating Performance

With a 24kW central heating output, the Greenstar 24Ri delivers reliable and efficient heating throughout the home. As a Heat Only (Regular) Boiler, it is designed exclusively for central heating and works alongside a separate hot water cylinder to provide stored domestic hot water. Its advanced condensing technology helps maximise seasonal efficiency while reducing gas consumption and household heating costs.

Compact Design

Designed to fit neatly inside a standard kitchen cupboard, the Greenstar 24Ri offers excellent installation flexibility without compromising performance.

Dimensions

• Height: 600mm
• Width: 390mm
• Depth: 270mm

The included horizontal flue and 15mm Scale Reducer provide a complete installation package while helping maintain long-term boiler efficiency.

Advanced Energy Efficiency

Rated ErP A with 92% seasonal heating efficiency, the Greenstar 24Ri uses advanced condensing technology to maximise heating performance while reducing fuel consumption and lowering energy bills. It is also compatible with solar thermal systems, providing additional flexibility for future energy-saving upgrades.

Smart Heating Control Compatibility

The Greenstar 24Ri is compatible with a range of Worcester Bosch heating controls, including EasyControl, allowing homeowners to improve comfort, optimise energy usage, and manage heating schedules more efficiently.

Reliable Performance & Easy Maintenance

Built with Worcester Bosch's renowned engineering quality, the Greenstar 24Ri features a durable, installer-friendly design with straightforward controls and easy servicing access.

Its compact footprint, flexible flue positioning, and dependable build quality make it an excellent choice for both replacement and new heating system installations.

Warranty & Peace of Mind

The Worcester Bosch 24Ri Heat Only Boiler Including Flue & 15mm Scale Reducer includes up to a 10-Year manufacturer's warranty when installed with a Worcester Bosch system filter by an accredited installer and registered in accordance with the manufacturer's warranty terms, giving homeowners long-term confidence and dependable after-sales support.

Why Choose the Worcester Bosch 24Ri Heat Only Boiler Including Flue & 15mm Scale Reducer?

• Complete boiler, flue, and scale protection package
• Efficient 24kW heat only boiler
• Natural Gas compatible
• Designed for traditional heating systems
• Includes Horizontal Flue
• Includes 15mm Scale Reducer
• Compact cupboard-fit design
• Solar compatible
• Compatible with Worcester Bosch heating controls
• Up to 10-Year manufacturer's warranty