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a few months ago my boiler developed a fault where the ch didnt work (pump led flashing) but dhw was still working fine. i decided it was the pcb so i got the gas man in who agreed and changed it. it all worked fine until last week when the boiler stopped working (no spark). i decided it was the...

I recently traced a fault on my boiler to the automatic bleed valve on the pump not working, can anyone advise me howto go about removing and fixing it? is it even possible to fix them or do I have to replace it? Any advice at all will be appreciated.

i just changed the diverter valve in my baxi 80e and i can't get the thing to work now. the problem is that although the pump runs the pin that operates the microswitch does not move. i checked for bent pin, torn diaphram, blocked hole etc. but it all seems fine as you would expect it to being a...