I noticed this evening that when I switched the boiler off, there was a gush of water coming down the pipe towards the boiler - the pipe got really hot.
Hello, Please help! For some reason, there is water coming out of the cold water tank overflow every morning. I've changed the washer in the ball valve - no leakage there. I think it could be the hot water overflow - possible air lock. I have a Grant 140 multipass oil boiler. Heating works fine, I h...
