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Posted by Mike L. on October 20, 2004 at 19:40:43:
I have extreme hammering in my system. I have replaced all the vents (main included) and checked the pitch of the radiators. The water in my sight glass seems to keep on rising. When I drain it to the proper level, no bang. But in the
morning,after water seems to have been added or leaked, bang ! When I drain the water, the Auto feeder seems to refill and stop. The by pass valve doesn't seem to leak. Can this water overflow be the cause of my banging.