Watts LF174A 075 FS 1 1/2 - Part of the LF174A Series HDPE Drain heavy flows from driveways

Drain heavy flows from driveways

Threaded MPT by a brass female flare nut end connections

This is Product 9406 for the 6 inch by 150 foot roll

ductile iron disc

Watts LF174A 075 FS 1 1/2 - Part of the LF174A Series HDPE Drain heavy flows from drivewaysThis lead free pressure relief valve has a 1 1 2 inch NPTF female inlet and outlet and a 75 psi pressure relief setpoint. This valve can be used for hot water space heating boiler applications to protect against excessive pressure. It features a lead free copper silicon alloy 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