Watts LF174A 050 FS 1 1/4 - Part of the LF174A Series detectable-warning-mat-finder This 1 1/2 inch lead

This 1 1/2 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

The check kit consists of a seat

thermo-bonded coated thermostat

ZB415M-4NL

Oblique aluminum grate set within a 90° combination frame with a membrane flashing clamp to ensure proper sealing

Watts LF174A 050 FS 1 1/4 - Part of the LF174A Series detectable-warning-mat-finder This 1 1/2 inch leadThis lead free pressure relief valve has a 1 1 4 inch NPTF female inlet and outlet and a 50 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