Worcester Bosch, Greenstar 25Si

The Greenstar Si combi boilers are our mid-range appliances. They’re suitable for apartments and small to medium sized 1 bathroom properties. You can control both the hot water and central heating temperatures on a Greenstar Si boiler. There is also a range of optional controls available, offering you further comfort and flexibility.
  • Product Details
  • Technical Details

Central heating output: 24kW
Domestic hot water flow rate: 10.2 litres per minute at 35 degree temperature rise (provided adequate mains pressure is available)
 

System information:
 

Greenstar Boiler Guide:


 

  • Best boiler efficiency rating (SEDBUK band A)
  • Keep hot facility - instantly available hot water

  • Wall mounting frame allows pipework to be hidden from view

  • Low NOx and CO2 emissions - environmentally friendly

  • 2 year guarantee, 10 year guarantee on primary heat exchanger and 5 year anti-scale guarantee on domestic hot water heat exchanger (subject to terms and conditions)
  • Hot water and central heating temperatures can be controlled
  • Multi-directional fluing means boiler can be sited in a wide variety of places
  • Mechanical and digital controls all compatible

Worcester Bosch 7 Year Warranty