Watts 174A 145 FS 1 - Part of the 174A Series Z100F-3NH 7% slope with depths from

7% slope with depths from 6

covering pipe sizes from 2″ to 8″

ZB415M-3NL

Features 3/4 IN 009M2 reduced pressure zone total rubber parts kit

Watts 174A 145 FS 1 - Part of the 174A Series Z100F-3NH 7% slope with depths fromThis pressure relief valve has a 1 inch NPTF female inlet and outlet and a 145 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.