Greenstar Heatslave II External overview
The nation’s favourite
The UK’s best-selling oil boiler, and for good reason. Flexible enough to go outside to save indoor space, the Greenstar Heatslave II External suits small and medium homes, providing instant hot water – however off-grid you are.
†Up to a 7 year guarantee when installed by a Worcester Bosch Accredited Installer. Terms and conditions apply.
Highlights
Technical details
Greenstar Heatslave II External 12/18 2022+
- ErP Data Sheet
- Fuel Type
- Oil
- Control Options
- EasyControl Compatible
- Solar Compatible
- Central heating output (kW)
- 18
- Dimensions (mm) height x width x depth
- 950 x 640 x 770
- Hot water flow rate
- 15
Greenstar Heatslave II External 18/25 2022+
- ErP Data Sheet
- Fuel Type
- Oil
- Control Options
- EasyControl Compatible
- Solar Compatible
- Central heating output (kW)
- 25
- Dimensions (mm) height x width x depth
- 950 x 640 x 770
- Hot water flow rate
- 18
Greenstar Heatslave II External 25/32 2022+
- ErP Data Sheet
- Fuel Type
- Oil
- Control Options
- EasyControl Compatible
- Solar Compatible
- Central heating output (kW)
- 32
- Dimensions (mm) height x width x depth
- 950 x 640 x 770
- Hot water flow rate
- 22
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