Worcester Greenstar i System (27-30kW)

Fitted from £2,079.60

The higher output Greenstar i System boilers are the latest generation of smaller boilers suitable for small, medium and large homes. They can also be fitted in a standard kitchen cupboard.



This boiler can be used with Worcester’s range of high efficiency Greenstore cylinders for a complete Worcester system solution for your home.

Key benefits of the Worcester Greenstar i System boiler:

  • Fits in a standard kitchen cupboard
  • Simple boiler control knobs with clear temperature display
  • User-friendly displays for ease of use
  • Can be used with Greenskies solar panels for energy and cost savings
  • Low energy pump reduces electrical usage

Prices include VAT and the following:

  • Installation
  • Chemical system flush
  • Standard flue
  • Worcester Bosch Guarantee: 7 Years as standard, or 10 Years when a System Filter is included

*With installation of optional built-in diverter valve

**The Condensesure Siphon has been proven to be effective at preventing frozen condensate at -15°C for a sustained period of 48 hours. 32mm pipework must be used and should not exceed 3 metre

Additional information


Worcester Bosch

Boiler Type

System Boiler


27i, 30i


Worcester 7 Years, Worcester 10 Years (including System Filter)


Natural Gas, LPG

Range Specifications

Greenstar 27i System Greenstar 30i System
ErP Efficiency Rating – Water Heating A A
ErP Efficiency Rating – Space Heating A A
ErP Data Sheet ErP Data Sheet ErP Data Sheet
LPG model available Yes Yes
EasyControl Compatible Yes Yes
Solar Compatible Yes Yes
Control Options Yes Yes
Central heating output (kW) 27 30
Dimensions (mm) height x width x depth 690 x 390 x 280 690 x 390 x 280


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