Why can cause my baxi combi to lose water pressure?
I have a baxi combi boiler that works the heating ok but seems to continually lose water pressure that it needs to heat the hot water. There's no aparent leaks anywhere?
Any help welcome?
The Expansion Vessel may have lost it's air charge, this should be checked using a tyre gauge on the vessels Schraeder valve, you will need to release the water pressure to zero first, by operating the boiler safety valve, the air pressure should be approx 1-00 Bar +/- 0.2bar, this will need pumping up with compressed air if low, close of safety valve and recharge with water to approx 1-00 Bar on system pressure gauge, this will most likley rectify the fault
www.elanar.co.uk
April 2009
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Why can cause my baxi combi to lose water pressure?
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