Description
This First Check Valve Kit is Used to Repair or Replace The First Check on a 4 Inch Lead Free Double Check Detector Assembly And Used to Prevent The Reverse Flow of Polluted Water From Entering Into The Potable Water Supply. This Kit Consists of a Disc Assembly, Spring And a Cover O-Ring. It is Ideal at Referenced Cross-Connections Identified in Non-Health Hazard Applications. | Watts | 0794025
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