Watts RK757/757DCDA-CK2 21/2-4 - Part of the RK-757 Series SITEDRAIN This 1 1/4 and 1

This 1 1/4 and 1 1/2 IN 009M2 first check kit provides all the parts necessary to replace the major internal components of the applicable reduced pressure zone assembly

Low-Profile

UPC - 098268142921

Butyl rubber diaphragm

Watts RK757/757DCDA-CK2 21/2-4 - Part of the RK-757 Series SITEDRAIN This 1 1/4 and 1This second check repair kit provides all the parts necessary to repair or replace the second check on a 2 1 2 to 4 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