old boiler flange (2 bolt) (below circulator pump) was leaking and had petrified (rubber gasket was rock hard) due to age and heat exposure. New flange gasket fit perfectly. Cleaned up gasket surfaces with air disk sander, glued gasket with hi temp RTV silicone to pump side of flange and used some silicone grease for boiler side of gasket and reassembled.Used new bolts with anti seize thread lube. No leaks after gentle tightening of bolts.
Bruce D.
Commerce, MI
2 years ago
Verified Buyer
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