My hot water pipe bangs away great style after it has been turned off...if I were to add a valve to the hot water to reduce the flow would this stop the banging if not waht can I do...?
I have expanded my system (more and bigger radiators over teh years) and recently the system is losing pressure, I am sure there are no leaks. When the system is fired up all is good and the pressure rise to 1.5 and then falls back when cold to .5. After about 2 days of this the pressure is down...