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engineers just left, he said the black stain on top of the gas box outside was nothing to worry about, if the boiler was sooting up or not burning correctly then it would shut itself down, i think i'll clean the black stain off and see if it reappears, he suggested it could just be...

chris, i've taken the frony panel off and ran the hot water tap in the kitchen for a couple of minutes, turned it off and the red light stayed on, i could just see the end of the dhw flow switch body so gave it a few gentles taps with the end of my screwdriver and the micro switch clicked and...

thanks chris, i'll take a look for the red light on the pcb, is it safe to run the boiler with the front panel removed? i've got an engineer coming to take a look tommorrow, although he sounded a bit uneasy on the phone when i explained the problems, but hopefully it will get sorted...

thanks for the reply, the smell of gas at the front door is only at the instant the boiler lights up, it's not a constant smell that would indicate a leak, if i stand by the flue when the boiler is either running or off then there is no smell of gas at all. so i guess this would indicate the...

hi, just found this forum and hoping someone can help me sort out a problem with my potterton combi 80 boiler....... i had a problem with the boiler a while back where the rads would get hot when ever i had a shower, called an engineer out who diagnosed it as the diverter valve, this was...