Recent content by stevepurley

I have a potterton combi 100. Had problems with heating and have bled the rads to get air out but now when the heating comes on the pressure goes up to 3.5 bar but when I turn the heating off the pressure falls back down to almost zero. Hot water works fine. Any suggestions please would...

I have an intermittent problem with the central heating side of my boiler. The boiler fires up then within about 30 seconds stops again. This does not happen all the time, sometimes for a few hours or a whole day, then it will be alright again. Hot water is fine. I would be grateful to hear...