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Posted by Joe on December 29, 2009 at 21:30:33:
I have a G215 4 section, its in a two story house. The pressure releif valve is set at 30 psi and keeps going off. I have replace the boiler feed and even shut if off it still sets it off. The expansion tank is a WAtts EA60. I also have placed a gauge on the heating loops themselfs they all read 10-14 psi so somthing is causing the boiler to go up to 30 psi at the return side.
Any help or thoughts
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