Watts 174A 145 FS 1 - Part of the 174A Series Z100F-3NH ZB415M-3NL

ZB415M-3NL

covering pipe sizes from 2″ to 8″

Use with a choice of attractive Slim Channel Grates to complement your property with a functional and attractive drainage solution

7% slope with depths from 6

Watts 174A 145 FS 1 - Part of the 174A Series Z100F-3NH ZB415M-3NLThis 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.