Our Worcester Bosch Greenstar 21i System boiler Setup is our most popular system boiler that is suitable for small to medium sized homes.
We also offer other Bosch components for a complete Worcester system solution for your home.
The Worcester Bosch Greenstar 21i System Boiler is a 21kW condensing A rated boiler.
- Simple boiler controls with clear information display.
- Suitable for homes where the heating system includes a hot water storage cylinder.
- Choice of controls enables greater comfort and economy.
- Can be used with our Bosch complete system setup.
- Low energy pump reduces electrical usage and therefore saves energy.
- Large Condensesure style siphon built into the boiler – eliminates frost risk and is easier to clean.