Worcester 25i Combi Boiler ERP with Flue

​ 5 years parts and labour warranty


The Worcester 25i is a direct replacement from Worcester for the ever popular 24i Junior boiler, Britain’s most installed combi boiler. The Worcester Greenstar 25i Combi Boiler is a perfect choice for small properties (flats, bungalows and small houses) and is able to service up to 3 bedrooms and 1 bathroom.

Central Heating Output: 24kW
Domestic Hot Water (DHW) Output: 25kW
Hot Water Flowrate: 10.2 litres/minute

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.
The New Worcester 25i Combi Boiler is fully compliant with the new ErP Directives and offers a very similar performance to the 25Si Compact (the boiler unit is slightly larger in size but it is available for a lower price.

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)
Condenses in Central Heating
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

Need Help?

Call our specialist support team! 01204 534 470