Greenstar i overview

Our Greenstar i combi boiler is perfect for small to medium sized homes with one bathroom.

New to 2015, and replacing a well-established award-winning boiler that has been installed in over 1 million homes across the UK, our latest model now has a user friendly control that allows you to adjust your heating and hot water to meet your exact requirements.

  • Simple boiler controls with clear information display
  • Zero risk of condensate pipe freezing in severe weather* **
  • Wide choice of controls enables greater comfort and economy
  • Low energy pump reduces electrical usage
  • Instantaneous hot water, always available
  • Achieves an A+ ErP package efficiency rating for heating when installed with a Wave smart internet connected control

  • Contact one of our installers and be in with a chance to win £400 worth of Bosch appliances. Terms
Greenstar i Greenstar i
Greenstar i Greenstar i

Technical Details

Greenstar 25i Greenstar 30i
ErP Efficiency Rating
A
A
A
A
LPG model available
Wave Compatible
Solar Compatible
Control Options
Central heating output (kW) 24 24
Dimensions (mm) height x width x depth 710 x 400 x 330 710 x 400 x 330
Hot water flow rate (litres per minute) 10.2 @ 35°c ∆T 12.3 @ 35°c ∆T

*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 metres in length

Related documents

Find a local installer

Each heating system needs custom designing. By using the search feature, you can find and contact a Worcester Accredited Installer in your area to book a home visit.

After calculating the best system for your home, your installer will then come and visit you at home to assess your heating and hot water needs and give you a free estimate.

  • Contact one of our installers and be in with a chance to win £400 worth of Bosch appliances. Terms