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Thread: pump will not prime

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    pump will not prime

    So I went on a 13 day trip and forgot to ask a neighbor to keep an eye on the water level of the pool. The water level got below the skimmers with the pump still running. I got the water level up and the pump running for a day or two and now the pump will not fully prime. Also the sand filter pressure gauge will not show any pressure. Did I damage the pump? Any suggestions will be helpful, thanks.
    Approx 74,000 liter inground vinyl pool 12x32, laser 225 sand filter, Hayward 2 speed pump + old pool heater.

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    Join Date
    May 2007
    Location
    South Central NJ
    Posts
    3,192

    Re: pump will not prime

    It's quite possible that the pump ran nearly dry. This can generate a significant amount of heat in the pump, enough to boil water, generate steam, and warp or shrink the plumbing and destroy the seal set between the impeller and motor. A warped pump basket is a strong indicator this occurred.

    Scott
    Owner of - PoolGuyNJ LLC
    Expert Pool and Spa Repairs, Renovations, and Augmentation. Helping people decide what is the right gear for meeting their needs. Expectations Set, Expectations Met, No Surprises.

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    Re: pump will not prime

    Quote Originally Posted by PoolGuyNJ
    It's quite possible that the pump ran nearly dry. This can generate a significant amount of heat in the pump, enough to boil water, generate steam, and warp or shrink the plumbing and destroy the seal set between the impeller and motor. A warped pump basket is a strong indicator this occurred.

    Scott
    The pump basket does not seem to be warped at all. After I attempt to flush out the skimmer lines with a drain king I will take apart the pump and see if the seal set needs replacement. Thanks for the help.
    Approx 74,000 liter inground vinyl pool 12x32, laser 225 sand filter, Hayward 2 speed pump + old pool heater.

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