leaking pressure relief valve on hot water furnace
Posted by Thien N. on November 17, 1999 at 07:48:07:
I can't seem to lower my boiler's pressure to below 30 PSI. Every time the heat comes on, the pressure would go right to 30 and the relief valve would crack open and leak. I tried turning the screw on top of my automatic fill valve counter clockwise, but this did not help. What else can I try?(besides bringing in a pro!)

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