Watts LF174A 140 FS 2 - Part of the LF174A Series ZC100F-2NH and rooftop deck areas where

and rooftop deck areas where a traffic-rated

With a fast setup time and the ability to be used on both dry and damp surfaces

Added Protection – Guards the waterproofing membrane and prevents debris from obstructing flow

This product will not rot or mildew

Female NPT inlet and outlet

Watts LF174A 140 FS 2 - Part of the LF174A Series ZC100F-2NH and rooftop deck areas whereThis lead free pressure relief valve has a 2 inch NPTF female inlet and outlet and a 140 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