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it is possible to add an external PRV near the boiler, instead of replacing a dripping prv that is impossible to access inside a combi? And then drill a new whole and run a new pipe out, or even cap the original pipe and tee into that before it goes outside? Just a thought/query??

Hello, I have a problem here I'd like to fix if possible: I have a stopcock coming in, under my sink units, which is lead, the stopcock is brass I think and the pipe from it is copper. The pipe goes up the loft, tank. The trouble is, the lead side is weeping, water is coming out, not too much...

Hello all, I have a few queries. Firstly: I have a combi boiler, a Worcester CDi RSF. Not a condensing type. The hot water doesn't come on anymore, the boiler does not fire up. The heating I tried to see and that worked fine. I believe the problem to be the diverter valve diaphragm...