Watts 740 075 FS 1 1/2 - Part of the 740 Series ZA100F-3NH Specifications Compatible Series or Model

Specifications Compatible Series or Model 919 Compatible Size Used On 3/4 IN Kit Contents Check Assembly

Designed for primary roof drainage with a heavy-duty cast iron body

Z742-4SP-VP

Heavy-duty design for commercial and industrial drainage systems

Product Codes: Z197-4

Watts 740 075 FS 1 1/2 - Part of the 740 Series ZA100F-3NH Specifications Compatible Series or ModelThis pressure relief valve has a 1 1 2 inch NPTF female inlet, 1 1 4 inch NPTF female outlet, and pressure relief setpoint of 75 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