Hi: and thanks: there isnt anything that I might consider to look like an air seperator.... where would it be placed in the system ? Ill try and find some pics of what they look like to check for one...
Hi all:
my central heating boiler kept overheating (cut our switch tripped) and I eventually realised the pump overrun switch wasn't working. I replaced it and all "seemed" fine. Then the mid postition valve didnt appear to be working (had failed 2 years previously but i only replaced the...