Watts 740 045 FS 1 - Part of the 740 Series Strip Drian This first check replacement kit

This first check replacement kit is used for checking for tightness against the reverse flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure

ZN1926-4NH

and sensing passage O-ring

This fabric can be used in vertical and horizontal applications

Watts 740 045 FS 1 - Part of the 740 Series Strip Drian This first check replacement kitThis pressure relief valve has a 1 inch NPTF female inlet, 1 1 4 inch NPTF female outlet, and pressure relief setpoint of 45 psi. The valve can be used for hot water space heating boiler applications to protect against excessive pressure. It features an iron 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