Watts 174A 150 FS 1 1/4 - Part of the 174A Series detectable-warning-mat-finder it ensures your roofing system

it ensures your roofing system is secure even under heavy rainfall

Delphinium

which prevents the backflow of fire protection system substances from being pumped or siphoned into the potable water supply

UPC - 098268000269

Purchased can be combined with 2062 Polycarbonate Cover

Watts 174A 150 FS 1 1/4 - Part of the 174A Series detectable-warning-mat-finder it ensures your roofing systemThis pressure relief valve has a 1 1 4 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.