Worcester Greenstar 18i 18kW System
Powers up to 10 radiators + a medium cylinder
  • 7 year warranty
  • Can be used with Greenskies solar panels for energy and cost savings
  • Frost protection is also included
  • reducing frost risk if installed in a garage or loft
  • Large condenser style siphon built into the boiler – eliminates frost risk
  • Simple boiler controls with clear information display
  • Suitable for homes where the heating system includes a hot water storage cylinder
Install prices starting from
£2267 inc. VAT
or £94.46 a month @ 0% APR

Product summary

The Greenstar i System boiler is our most popular system boiler that is suitable for small to medium sized homes.

Key Features

  • 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 Greenskies solar panels for energy and cost savings
  • Frost protection is also included, reducing frost risk if installed in a garage or loft
  • Large condenser style siphon built into the boiler – eliminates frost risk