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Worcester Greenstar 25i Combi Boiler & Standard Flue

Worcester Greenstar 25i Combi Boiler & Standard Flue


Worcester Greenstar 25i Combi Boiler & Standard Flue

5 Year Warranty

Height: 710mm

Width: 400mm


Depth: 330mm


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Worcester Greenstar 25i Combi Boiler & Standard Flue

The Worcester 25i is a direct replacement from Worcester for the ever popular 24i Junior boiler , Britain’s most installed combi boiler and is a popular choice for smaller properties such as flats, apartments and 1-2 bedrooms houses with 1 bathroom.

The Worcester Greenstar 25i Combi Boiler  is ideal if you are looking for a high efficiency boiler that can provide premium levels of hot water and heating for a smaller property.

  • ErPCentral Heating Output :24kW
  • Domestic Hot Water (DHW) Output :25kW
  • Hot Water Flowrate : 10.2 litres/minute
  • Manufacturer Product number : 7733600012


Although they look very similar on the outside, the new magnetic flap opens to reveal a brand new layout. Now featuring a digital display, the 25i is also fully compatible with Worcester’s range of Comfort controls aswell as the Wave.

  • SEDBUK A-rated boiler: Operating at efficiency levels over 90%
  • Compact dimensions – space saving and siting flexibility
  • ErP compliance
  • Central heating AND Hot Water temperature control
  • Increase efficiency in standby mode (just 3.5 watts)
  • Keep hot facility – instantly heated hot water
  • Wall mounting frame allows pipework to be hidden from view
  • Built in Worcester CondenseSure Siphon
  • Vertical pre-piping kit
  • Below boiler pipe cover
  • Earth bonding strip
  • Multi-directional fluing options – more installation options
  • Lowest levels of NOx and CO2 emissions – environmentally friendly
  • Full compatibility with a broad range of Mechanical, Digital and Wireless heating controls

Only an approved Worcester Greenstar Flue can be used with the 25i Combi boiler. The Worcester Horizontal Flue is not supplied with the boiler and this needs to be purchased in addition to the boiler itself.


Image of 5 year guarantee logo (with extra padding).


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