central heating overheating
Posted: Fri Jun 22, 2007 2:29 pm
My boilers overheating and switching off, a plumber in my local B&Q said it probably needs venting as there is likely a air block. where will i find the release valves? i know what it should look like but cant find it. i'm looking for the one off the hot water tank, this i belive is the source of my problem.