Watts 174A 150 FS 1 1/2 - Part of the 174A Series silt-fence-selector Z551-3NL-G

Z551-3NL-G

also known as a drain cover

ZN1926-4NL

The reduced water pressure range is 0 to 8 psi (0 to 55 kPa) with the water pressure set at 4 psi (28 kPa)

UPC - 098268000269

Watts 174A 150 FS 1 1/2 - Part of the 174A Series silt-fence-selector Z551-3NL-GThis pressure relief valve has a 1 1 2 inch NPTF female inlet and outlet and a 150 psi pressure relief setpoint. The valve can be used for hot water space heating boiler applications to protect against excessive pressure. It features a bronze 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 discharges from the relief valve.