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while heavy-duty clamps keep the frame securely in place
It features a lead free bronze body with union end and NPT threaded female connections
top of stair landings
Epoxy-coated cast-iron body with anchor flange and dual weepholes (primary + secondary) for enhanced drainage robustness
Specifications Kit Type Check Cover Kit Lead Free YES Product Group BACKFLOW KITS UPC - 098268413953
Watts 740 040 FS 1 - Part of the 740 Series ZA100F-8NH while heavy-duty clamps keep theThis 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