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The supervisory switch is NEMA 4X and 6P rated and suitable for use indoors or outdoors
This pressure relief valve has a 3/4 inch NPTF female inlet and outlet and a 135 psi pressure relief setpoint
ZN400J-3IC
it helps maintain design integrity while ensuring effective water removal
Watts 957RPDA-OSY-CFM-FS 6 - Part of the 957RPDA Series ZA100F-2NH The supervisory switch is NEMAThis 6 inch reduced pressure detector backflow preventer assembly help stop the reverse flow of liquids due to backpressure or backsiphonage, where potential health hazard exists. Extremely compact and lighter than traditional designs it is approved for horizontal installation. This assembly consists of a stainless steel body with a quick access sleeve, torsion spring check valves, resilient seated gate valves with outside stem and yoke, test cocks,
