Watts RK 770-T 8 - Part of the RK-770 Series silt-fence-selector This second check valve kit

This second check valve kit is used to repair or replace the second check on an 8 inch lead free double check detector assembly and used to prevent the reverse flow of polluted water from entering into the potable water supply

The HDPE gap filler is made the in USA

Stainless steel piston

UPC - 098268461527

solder union inlet by crimp union outlet connections

Watts RK 770-T 8 - Part of the RK-770 Series silt-fence-selector This second check valve kitThis 8 IN repair kit for series 770 T is designed to protect drinking water supplies from dangerous cross connections in accordance with national plumbing codes and water authority requirements. This kit consists of two cover O rings, two bolts O ring, two disc and two spring assemblies for both checks. Check with local inspection authorities for installation requirements. Features Factory replacement kit No special tools required for changing parts