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PTFE seats
Chrome plated brass ball
it withstands years of exposure while maintaining peak performance
helping prevent leaks and ensuring roof integrity
Watts 740-070 - Part of the 740 Series Z100F-6NH PTFE seatsThis 1 inch boiler pressure relief valve is used in hot water space heating boiler applications to protect against excessive pressure on all types of hot water space heating boiler equipment. It consists of an iron body construction with expanded outlet drain connections for hot water space heating boilers, non metallic disc to metal seating, stainless steel spring, and test lever. Series 740 offers large discharge capacity, resists corrosive water