True Union Check

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    Spears makes the highest quality True Union check valves. Use them to add a last line of defense against overflows. Check valves allow one directional water flow and are used to prevent back siphoning. They are commonly used on return pump outputs to prevent water overflowing the sump in the event…

    Starting at:
    $23.99

    …quality check valves to be found. Relative to other types and manufacturers of check valves, there is minimal pressure loss. The true union check valve is specially designed to be disassembled by unscrewing the nuts in line leaving the tail pieces solvent cemented to the pipe. This true union allows…

    Starting at:
    $16.99
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