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Hi my prv seems to be leaking at about 2.7 bar so i am looking at replacing it.is it something a novice can do? i think i just need to drain the boiler usung the prv then unscrew and replace or is there more to it than that ....

my biasi 24s is losing pressure and somebody has suggested repressurizing the expansion vessel can anybody point me in the right direction on how to do this or should i get a corgi guy in? cheers

hi i hope somebody can help me. i have i biasi 24s combi boiler which is losing presure all the time (drops from 1 1/2 bar to 1 bar in approx 36hrs) and i cant find any leaks anywhere i recently had some radiators replaced and also some new installed approx 7 weeks ago the. i was told to check...