Watts RK 709-RT 4 - Part of the RK-709 Series ADA Pad Polypropylene is stable within the

Polypropylene is stable within the pH range of 2 to 13

Its epoxy-coated cast iron body provides strong corrosion resistance

Stem O-ring

Replacement screen

and long-term environmental exposure

Watts RK 709-RT 4 - Part of the RK-709 Series ADA Pad Polypropylene is stable within theThis complete rubber parts kit provides all the parts necessary to repair or replace the rubber parts on a 4 inch double check valve assembly backflow preventer, model 709. This kit consist of two disc and two cover O rings. Features Factory replacement kit No special tools required for servicing All parts are made of high quality materials Serviceable in the field Specifications Buy American Act Compliant NO Compatible Series or Model 709 Compatible