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

This 4 IN rubber parts kit for single check series 709 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.