hi i have a combi boiler and roughly every week it looses all pressure i have ahd 2 plumbers out and they both replaced the expansion vessell obviously i dont want another one!! any ideas??
obviosly not a obvious one if there is one, i live in a bungalow and all the pipes are in the walls and loft space and im sure that after about 6 months of this i would have spotted a leak???
what pressure do you top it up to?
what pressure does it read when its running full pelt?
there is a pipe that goes from the boiler to outside (for the pressure relief ) does water ever come out of this?
when they changed the expansion vessel, did they change the PRV (pressure relief valve)?
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