Watts 174A 040 FS 1 1/2 - Part of the 174A Series ZC100F-4NH This 4 IN cover kit

This 4 IN cover kit for series 709 helps to prevent the reverse flow of polluted water from entering into the potable water supply

This Cast Iron Wye Pattern Strainer

Z195-3IC-G

and first and second check disc

Watts 174A 040 FS 1 1/2 - Part of the 174A Series ZC100F-4NH This 4 IN cover kitThis pressure relief valve has a 1 1 2 inch NPTF female inlet and outlet and a 40 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.