Watts RK 757/757DCDA-CK2 6 - Part of the RK-757 Series Access Tile First or second check kit

First or second check kit

an anchor flange for secure installation

Lifespan: Enjoy an extended lifespan of 25+ years

heel-proof ductile-iron square grate

creating a durable and flexible joint filler with a 100-year life cycle

Watts RK 757/757DCDA-CK2 6 - Part of the RK-757 Series Access Tile First or second check kitThis second check repair kit provides all the parts necessary to repair or replace the second check on a 6 inch double check valve assembly backflow preventer, model 757, and double check detector assembly backflow preventer, model 757DCDA. This kit consist of a first check module, check module O ring, and red silicone disc elastomer. Features Factory replacement kit No special tools required for servicing All parts are made of high quality materials