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ZB400J-2IC
Use 2 clips per grate
it combines structural strength
This 3/4 inch temperature and pressure relief valve is used in water heater and hot water storage tank applications to provide automatic temperature and pressure protection to hot water supply tanks and hot water heaters up to 80
4 IN No hub
Watts RK 757/757DCDA-CK1 6 - Part of the RK-757 Series Drain Fitting ZB400J-2ICThis 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