Watts 740 040 FS 3/4 - Part of the 740 Series ADA Pad ZN1901-3NH

ZN1901-3NH

Designed for overflow drainage on sloped or pitched roofs

Z668-6IP-TS

providing both tamper resistance and enhanced corrosion protection

Watts 740 040 FS 3/4 - Part of the 740 Series ADA Pad ZN1901-3NHThis pressure relief valve has a 3 4 inch NPTF female inlet, 1 inch NPTF female outlet, and pressure relief setpoint of 40 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