0887906 (Watts) | 4 Inch | 709 DC First or Second Check Rubber Repair 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. | Watts | 0887906