Watts LF174A 125 FS 1 - Part of the LF174A Series ZA100F-3NH Features NPT threaded female union

Features NPT threaded female union inlet and outlet

Specification Sheet - LF223 (French)

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

perimeter weepholes for double drainage

anchor flange and 8 inch no hub connection

Watts LF174A 125 FS 1 - Part of the LF174A Series ZA100F-3NH Features NPT threaded female unionThis lead free pressure relief valve has a 1 inch NPTF female inlet and outlet and a 125 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