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and long exposure to harsh weather conditions
IAMPO and UPC listed
Z742-4SP-DG
Specifications Adapter Material Malleable Iron Brand Watts Class Rating Does Not Apply To Product EAN 098268827354 Gasket Material EPDM Gasket Maximum Pressure 50 PSI Gasket Maximum Pressure-BAR 3
Watts 174A 120 FS 1 - Part of the 174A Series Egress System and long exposure to harshThis pressure relief valve has a 1 inch NPTF female inlet and outlet and a 120 psi pressure relief setpoint. The valve can be used for hot water space heating boiler applications to protect against excessive pressure. It features a bronze body, non metallic disc to metal seating, and test lever. Includes a nonrestrictive discharge drain line flood sensor with SentryPlus Alert technology to detect excessive water discharges from the relief valve.
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