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Vent Spring
Features Lead free brass body
solder end connections
Flashing clamp with integral gravel stop
Watts 174A 050 FS 3/4 - Part of the 174A Series mainline-adatile Vent SpringThis pressure relief valve has a 3 4 inch NPTF female inlet and outlet and a 50 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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