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Thread: Pool pump sucking air when first turned on

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    Join Date
    May 2016
    Location
    HARROGATE TN
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    2

    Pool pump sucking air when first turned on

    Hello, I am new to the pool ownership world so please be patient. I have an above ground pool with a cartridge type filter. The pump and filter work great once they are turned on and the air is leaked out of the system. However, when I first turn the pump on in the morning. It has a tendency to get air in it and I have to turn the valve on the filter to let air out. The air will bleed out and a steady stream of water will come from the valve. After that, all works great. This doesn't seem like a normal process to me. Any suggestions?

    Thanks!

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    duraleigh's Avatar
    Join Date
    Apr 2007
    Location
    Sebring, Florida
    Posts
    30,077

    Re: Pool pump sucking air when first turned on

    Welcome to the forum.

    It sounds like you have a small (Probably suction side) leak.

    When the pump is turned off, this leak allows air to get in the system and your water drains back to the pool.

    Frankly, aside from being annoying, it is not harmful.

    There is an article on suction side leaks in Pool School....it may help

    How long is the time between pump turn-on and when it starts to operate normally?
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

  3. Back To Top    #3

    Join Date
    May 2016
    Location
    HARROGATE TN
    Posts
    2

    Re: Pool pump sucking air when first turned on

    The pump returns to normal operation as soon as the air is bled out of the valve. Maybe a minute or so.

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