I have a Powermax 155 which has always lost pressure since we moved in 2 years ago. We just keep topping it up via the loop and ok its nots great but at least we can get hot water & CH. Last night though the boiler would not ignite at all even when the pressure was up. Any ideas? Thanks

Mike, August 2009

losing pressure means you have a leak on the heating circuit, check around all visible pipework and radiators for signs of leaking, also check the relief pipe (usually outside below the flue). if you can't see any leaks then it's most likely under your floor. as far as not igniting goes check the insructions for error codes.
you can look at instructions online at http://www.partsarena.com/baxi/
it's under range powermax.

Ian, August 2009