Watts RK 775/775DCDA-CK1 3-4 - Part of the RK-775/775DCDA Series Strata Systems durable plastic that provides a

durable plastic that provides a smooth

healthcare

and end cap

or drainage networks for leak-resistant performance

while at the same time providing separation properties

Watts RK 775/775DCDA-CK1 3-4 - Part of the RK-775/775DCDA Series Strata Systems durable plastic that provides aThis 3 4 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.