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Thread: Pump surge

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    Pump surge

    I have a Pentair WFE-4 that is less than 2 years old. Today I noticed that it's pumping in surges, that is, every three seconds or so it cycles between 20 psi and 0 psi. I've eliminated the filter as a potential issue by turning the Jandy valve to drain and the problem persists. Anyone have a suggestion?

    Thanks in advance.


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    In the Industry

    duraleigh's Avatar
    Join Date
    Apr 2007
    Sebring, Florida

    Re: Pump surge

    The pool water is either below the skimmer line (allowing it to suck air) or you have a suction side leak. Inspect your system from the pool to the pump, find that air leak, and you will solve the issue.
    Dave S. - Forum owner
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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