Watts RK 709-RC4 10 - Part of the RK-709 Series ZA100F-4NH two seat O-rings

two seat O-rings

eliminating gaps and providing a barrier for weeds

The Dandy Curb Sack is easy to install

Interlocking channel joints for alignment and continuity

For maintenance

Watts RK 709-RC4 10 - Part of the RK-709 Series ZA100F-4NH two seat O-ringsThis rubber parts kit for one check helps to prevent the reverse flow of polluted water from entering into the potable water supply. This kit consist of a disc and a cover O ring. It is ideal at referenced cross connections identified in non health hazard applications. Check with local inspection authorities for installation requirements. Features Factory replacement kit No special tools required for changing parts All parts are made of high quality