Watts RK 775/775DCDA-CK1 6-8 - Part of the RK-775/775DCDA Series ZA100F-2NH Z554-2NH-VP

Z554-2NH-VP

Z551-2IP-P

10 Gasket Maximum Temperature 180 Degree F Inlet Connection Size 3 IN Inlet Connection Size-Metric 76

This provides an additional level of security

Watts RK 775/775DCDA-CK1 6-8 - Part of the RK-775/775DCDA Series ZA100F-2NH Z554-2NH-VPThis 6 8 IN first check detector valve replacement kit for series 775 and 775DCDA prevents the backflow of pollutants that are objectionable but not toxic, from entering into the potable water supply. This kit consists of a first check module, check module O ring and a red silicone disc elastomer. It is designed for non health hazard applications. It is used primarily on fire sprinkler lines when it is necessary to monitor unauthorized use of water.