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puma 80 losing pressure?

potterton puma 80 losing all pressure in couple of days. no signs of obvious leaks from boiler, relief pipe,rads or pipework. boiler installed about 10 years ago. could it be pressure vessel. radiators bled no air

derek
March 2006
Sounds like pressure vessel needs charging. But you would expect to see discharge from blow off pipe. Tie wrap a clear plastic bag over the blow off pipe outside and this will show you if thats where its getting away. If so odds on its the pressure vessel or a blocked pipe to the vessel.

HTH

Andy the gas man
March 2006
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