Watts RK 775/775DCDA-CK1 6-8 - Part of the RK-775/775DCDA Series ZA100F-2NH and anti-sliding lugs keep channels

and anti-sliding lugs keep channels aligned and securely embedded

an adjustable round heel-proof nickel bronze strainer and cleanout top

UPC - 098268579529

Z551-2IP-P

Z554-2NH-VP

Watts RK 775/775DCDA-CK1 6-8 - Part of the RK-775/775DCDA Series ZA100F-2NH and anti-sliding lugs keep channelsThis 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.