Watts LF174A 150 FS 1 - Part of the LF174A Series Z100F-3NH This 3/4 inch lead free

This 3/4 inch lead free anti-siphon vacuum breaker backflow preventer for hot or cold water prevents the reverse flow of polluted water from entering into the potable water supply due to backsiphonage

Each module is 24″ (610 mm) long and includes a ductile-iron frame and grate for heavy-duty use

UPC - 098268664775

This product is abrasion resistant

UPC - 098268031362

Watts LF174A 150 FS 1 - Part of the LF174A Series Z100F-3NH This 3/4 inch lead freeThis lead free pressure relief valve has a 1 inch NPTF female inlet and outlet and a 150 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