Watts LF174A 140 FS 3/4 - Part of the LF174A Series ZC100F-4NH This product is available in

This product is available in double dipped galvanized steel and stainless steel options

Designed for either direct or indirect waste connections

with load rating options available

model A2-LS

Z199-NB-4NH

Watts LF174A 140 FS 3/4 - Part of the LF174A Series ZC100F-4NH This product is available inThis lead free pressure relief valve has a 3 4 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