Watts LF174A 125 FS 1 1/2 - Part of the LF174A Series roof-hatch-finder The Watts RD-970 is a

The Watts RD-970 is a perforated stainless-steel ballast guard designed for use with compatible roof drain systems

Low-Profile Grate: The top grate is engineered to sit nearly flush with the surrounding finished floor—tile

ZN415S-4NH

The standard pressure settings is 75 psi (5

Watts LF174A 125 FS 1 1/2 - Part of the LF174A Series roof-hatch-finder The Watts RD-970 is aThis lead free pressure relief valve has a 1 1 2 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