Check Valves

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  1. Clear Check Valve (No Spring Flapper)

    Starting at $10.99

  2. Clear Slip Union Check Valve (No Spring Flapper)

    Starting at $21.99

  3. White True Union Ball Check Valve

    Starting at $4.99

  4. Grey True Union Ball Check Valve

    Starting at $4.99

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Springless PVC check valves allow one directional water flow and are used to prevent back siphoning. Most commonly used on return pump outputs to prevent water overflowing the sump in the event of a power outage, pump failure or maintenance. Available in standard 1/2, 3/4, 1 and 1-1/2in sizes in union, slip and threaded options.