Watts LF174A 100 FS 1 1/2 - Part of the LF174A Series Pipe Connection Fitting Features Blowout proof pressure retaining

Features Blowout proof pressure retaining stem

This product is available in a variety of depths and in 60-100 mil thickness options

female hose inlet by male hose outlet threaded connections

For residential and light commercial applications

Fabrication Instructions

Watts LF174A 100 FS 1 1/2 - Part of the LF174A Series Pipe Connection Fitting Features Blowout proof pressure retainingThis lead free pressure relief valve has a 1 1 2 inch NPTF female inlet and outlet and a 100 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