Watts RK 757/757DCDA-CK1 6 - Part of the RK-757 Series Drain Fitting relief valve repair kit

relief valve repair kit

ZB400J-2IC

4 IN No hub

a hot water purge lever for sanitizing

Watts RK 757/757DCDA-CK1 6 - Part of the RK-757 Series Drain Fitting relief valve repair kitThis first check repair kit provides all the parts necessary to repair or replace the first 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