Worcester Bosch Greenstar Heatslave II 18/25 2022+ Oil Combi Boiler 7731600261

The UK's best-selling oil boiler — and it’s easy to see why ...
Read more- GoodHome approved
- Works seamlessly with Greenstar Comfort controls
- Intelligent pull-out interface for ease of use
- Concealed controls, ideal for homes with small children
- Compact and floor standing boiler, suitable for homes with limited space
- Features a cross-firing burner for efficient performance
Description
The UK's best-selling oil boiler — and it’s easy to see why. The Greenstar Heatslave II offers flexibility to fit neatly under a kitchen counter or be installed outside, freeing up indoor space. Ideal for small to medium-sized homes, it delivers instant hot water even in off-grid locations. Pair it with a Worcester Bosch high-efficiency Green Storage cylinders for a fully integrated Worcester Bosch system.
For compatibility and suitability advice, please contact Oceanair.
- GoodHome approved
- Works seamlessly with Greenstar Comfort controls
- Intelligent pull-out interface for ease of use
- Concealed controls, ideal for homes with small children
- Compact and floor standing boiler, suitable for homes with limited space
- Features a cross-firing burner for efficient performance
- 2 water modes for energy efficiency and cost-saving
- ErP A-rated for energy efficiency
- For use with kerosene (Class C2) only
- Designed for internal installation
- Digital interface for precise heating and hot water management
- Compatible with 80/125mm room-sealed flue systems, available up to 8m in length
- Plume management options up to 5m with both conventional and flexible flue kits
- Convenient front access for servicing, including a pivoting expansion vessel for easier maintenance
- Simple access to oil and hydraulic connections for a hassle-free setup
*See Technical Attachments for more precise parameters and conditions.
Specification

Worcester Bosch Greenstar Heatslave II 18/25 2022+ Oil Combi Boiler 7731600261