0887791 (Watts) | 1 Inch | 009M2 First Check Rubber Repair Kit

This 1 IN First Check Check Rubber Parts Replacement Kit For Series 009M2is Used For Repairing The Parts to The Relief Valve to Prevent The Reverse Flow of Polluted Water From Entering Into The Potable Water Supply Due to Backsiphonage And or Backpressure. This Kit Consists of a Disc, Cover O-Ring And a Seat O-Ring. | Watts | 0887791