RK709CK Watts 1-1/2" - 2" 1st or 2nd Backflow Check Repair Kit For Series 709

• Factory replacement kit
• No special tools required for changing parts
• Check kit
• All parts are made of high quality materials

This 1 1/2 to 2 inch check valve kit is for series 709, which helps to prevent the reverse flow of polluted water from entering into the potable water supply. This kit consist of a disc assembly, spring, seat, seat O-ring, and a cover O-ring.