Watts 740 040 FS 1 - Part of the 740 Series Woven Fabric ZN400I-4NH

ZN400I-4NH

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The Flexible Expansion Joint For Concrete provides a durable solution for accommodating the natural movement of concrete surfaces due to thermal expansion or heavy loads

it conveys collected water efficiently into drain piping

(2 ⅝”–8 ¾” uses ⅜” pilot bit

Watts 740 040 FS 1 - Part of the 740 Series Woven Fabric ZN400I-4NHThis pressure relief valve has a 1 inch NPTF female inlet, 1 1 4 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