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Posted by sam on February 12, 2005 at 18:39:31:
I HAVE BURNHAM STEAM BOILER , RELIEF VALVES IS BLOWING OFF REPLACED PRESURTROL AND RELIEF VALVE SETTING AT PRESURETROL ARE SET CORRECT @ 2PSI WITH A WITH A DIFFERNTIAL AT 1. GAUGE RISES TO ABOUT 12PSI AND RELIEF VAVE BLOWS. WHAT ELSE CAN I DO TO FIX THIS PROBLEM.