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two spring assemblies for both checks
757DCDA Compatible Size Used On 2 1/4 IN to 4 IN Kit Contents Closure Sleeve
ZM415SH-3IC
ZN415-BZ1-DP-2NH
Specifications Buy American Act Compliant NO Kit Type Flange Accessory Kit Lead Free YES Product Group BACKFLOW KITS UPC - 098268489347
Watts LFRK 709DCDA-CK1 10 - Part of the RK-709DCDA Series R304 Detectable Warning Surfaces two spring assemblies for bothThis first check valve kit is used to repair or replace the first check on a 10 inch lead free double check detector assembly and used to prevent the reverse flow of polluted water from entering into the potable water supply. This kit consists of a disc assembly, spring and a cover O ring. It is ideal at referenced cross connections identified in non health hazard applications. Features Factory replacement parts No special tools required for changing