Backwater Prevention Valves - 4" Size
     
 
    4 Inch Check Valve Picture of Backwater Valve
 
  • Effective prevention of back flow in drainage lines.
  • The horizontal installation in drainage systems helps keep basements from flooding, and eliminates backup in field tile when creeks rise.
  • Fits SCH40 PVC Pipe. 
  • Very Low Cost
  • Easy to Install
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