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Check Valves

(7 products)
Check valves are installed in irrigation lines or heads to prevent backflow or low head drainage.  A check valve is a one-way valve, in which the flow can run freely one way, but if the flow reverses, the valve will close to protect the piping, other valves, pumps or anything else that is upstream.
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  • NDS Inc.

    PVC Swing Check Valve: Slip x Slip

    From $27.05
    In stock
    View details
  • Adjustable Spring Check Valve

    NDS Inc.

    Adjustable Spring Check Valve

    From $15.55
    In stock
    View details

  • Westlake Pipe & Fittings

    Spring Check Valve: Thread x Thread

    From $4.45
    In stock
    View details

  • Westlake Pipe & Fittings

    Spring Check Valve: Slip x Slip

    From $4.05
    In stock
    View details

  • Mainline Backflow Products

    4" PVC Extendable Backwater Valve

    $140.60
    Very low stock (7 units)
    View details
  • 4" PVC Backwater Valve

    NDS Inc.

    4" PVC Backwater Valve

    $159.30
    Very low stock (2 units)
    View details

  • NDS Inc.

    PVC Swing Check Valve: FIPT x FIPT

    From $26.75
    In stock
    View details

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