Starting recently, when I run the cold water, I get surges of hot water through the cold lines. It seems to only happy when the pump is not running. When the pump kicks in, the water goes cold again. when the pump turns off, I get surges of hot ag...
I don't have an accumulator tank or outside shower.I have a 3 valve system.The check valve on the water heater checks good. Using my air compressor, I can only blow air in one direction.Brad
