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Thread: air leak

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    In the Industry


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    air leak

    Forum. ..

    I am working on pool that has an air leak.
    the problem is there are no air bubbles in the pump.
    But there is air, small bubbles coming out of the returns, the bubbles get bigger as the pressure rises, the bubbles get worse.
    Thoughts on this would be extremely helpful.

    Thanks,
    PF

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    Mod Squad jblizzle's Avatar
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    Re: air leak

    Is there a SWG? I constantly have bubbles entering my pool when the SWG is generating and they vary in size with the pump speed.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
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    Re: air leak

    No sir.
    It almost acts as if the leak is somewhere in the filter area.
    Which doesn't make any sense.

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    frustratedpoolmom's Avatar
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    Re: air leak

    have you checked any qaskets or orings like at the pressure valve or site glass, etc. Can you put your pool info into a signature....
    Helpful links: Pool School; CYA/Chlorine Chart
    24' round AG pool, 52" high, Raypak heater; Waterway 2 spd Pump;
    150 Sq ft. Clearwater Cartridge Filter; Former and DISSATISFIED "Pool Frog" owner
    http://www.PerfectlyClearPoolService.com

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    JesseWV's Avatar
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    Re: air leak

    You're right about it not making sense. Any leaks after the impeller are on the pressure side which would result in water coming out somewhere, not bubbles from the return(s). An air leak can only be on the suction side, which is anywhere before the pump impeller. If you're not seeing air in the pump basket perhaps the impeller housing itself is cracked? You could try putting shaving cream on it to see if the bubbles stop or you might even see the shaving cream disappear.

    As far as the SWG, yes it produces bubbles. In my experience the bubbles are larger and more noticeable with the pump on low vs high where I can barely see them at all.
    16k gal, 28'x3.5', Vinyl A/G, 1hp Pentair Dynamo 2-speed Pump, Hayward S160T Sand Filter, Intermatic HB800RCL Digital Timer, Intex 8110 SWG, TF-100 Test Kit, SpeedStir Author: Jesse's Graphical Pool Testing Log

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