PRESSURE LOSS

Joined
17 Jun 2007
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Location
Middlesbrough
Country
United Kingdom
WORCESTOR BOSH 240 DRAINED SYSTEM DOWN TO ALTER SOME PIPEWORK FOR MOVING RADIATOR.WHEN I RECHARGED SYSTEM AND BLED ALL RADIATORS WITHIN HALF AN HOUR ALL PRESSURE IS GONE AND THERES NO VISIBLE LEEKS ALSO BOILER TRIPS OUT,TRYED RECHARGING HALF A DOZEN TIMES STILL DROPS
 
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must be a leak / loose joint you havent thought of, or the PRV is operating, and please turn caps lock off
 
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Check the AAV in the boiler.

When draining and refilling then can often develop a constant drip.

Its a water leak and please dont shout at us!

David
 
also check the pipe between the pump and the expansion vessel a little bit of crap in there can make it look like theres a problem with the expansion vessel
 

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