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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.

    Bob

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    In the Industry

    duraleigh's Avatar
    Join Date
    Apr 2007
    Location
    Sebring, Florida
    Posts
    30,056

    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.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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