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ZN453-4NH-6B
Specifications Buy American Act Compliant NO Kit Type First Check Rubber Parts Kit Lead Free YES Product Group BACKFLOW KITS UPC - 098268803334
Roof Hatches – Commercial Grade offer reliable weather protection in a convenient
Z624-6NH-C
This 3/8-1/2 IN spill resistant atmospheric vacuum breaker repair kit for series 289 prevents the reverse flow of polluted water from entering into the potable water supply due to backsiphonage
Watts 757-OSY-FXG 6 - Part of the 757 Series Strata Systems ZN453-4NH-6BThis 6 inch lead free double check valve backflow preventer assembly is designed to prevent the reverse flow of water of non potable quality from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements. It is ideal for protection at cross connections identified as non health hazards and from other contaminants found at the service line
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