Worcester Bosch 24i Gas Boiler

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.

Main Benefits:

  • 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.