0888822 (Watts) | 2-1/2 - 4 Inch | 774/774DCDA Second Check Repair Kit

This 2-1/2 to 4 Inch Second Check Detector Repair Kit Prevents The Backflow of Fire Protection System Substances From Being Pumped or Siphoned Into The Potable Water Supply. This Kit Consists of a Complete Number Two Cam Check With a Check O-Ring. It is Designed For Installation on Applications Identified by Local Authorities as Non-Health Hazard, Such as on Fire Protection Systems. | Watts | 0888822