Watts LF174A 100 FS 1 1/2 - Part of the LF174A Series ZA100F-8NH and relief valve cover O-ring

and relief valve cover O-ring

or custom finishes—to preserve aesthetic continuity without interrupting the floor plane

It features a flashing clamp with integral gravel guards to ensure reliable high volume drainage

The temperature relief is 210 degrees F (99 degrees C) and the pressure relief is set at 125 psi (8

Product Codes: Z541-3IC

Watts LF174A 100 FS 1 1/2 - Part of the LF174A Series ZA100F-8NH and relief valve cover O-ringThis 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