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Thread: Orientation of Return Jets

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    Join Date
    Apr 2016
    Location
    Houston, TX
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    51

    Orientation of Return Jets

    What should be the orientation be of my return jet fittings? I have 4 return jets with 3/4" eyes, a waterfall, and 2 skimmers. Waterfall and return jets are both full open at all times. Main drain does not work.

    Thanks

    14639514390580.jpg
    IG, Plaster, 15,000 gal, Free-form (angular)
    Pentair FNSP 48 DE filter (48 sqft)
    Hayward SP3010X15AZ pump with 1.5 HP motor (installed 3/2015)
    Rock waterfall, large live oak shades half the pool
    Re-plastered April, 2017

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    TFP Guide

    cowboycasey's Avatar
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    Jul 2013
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    Fletcher, OK
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    3,346

    Re: Orientation of Return Jets

    the answer is "it depends"

    Buy a pack of ping pong balls or the shipping peanuts and throw them in the pool..

    Watch and see what they do, if they bunch up in a corner move the eye around to get better flow
    Pool: Intex 16x32 15000 gal, 2 speed 340042, Pentair CC320 Filter, CircuPool SJ45 Salt System, Intermatic PE653RC; Hot Tub: 650 Gal SWG Megachlor
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    Richard320's Avatar
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    San Dimas, CA (LA County)
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    Re: Orientation of Return Jets

    Empty water or soda bottles with the caps back on them also make good floats to test the water currents.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

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    Join Date
    Apr 2016
    Location
    Houston, TX
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    51

    Re: Orientation of Return Jets

    Do we need to try to consider current below the water surface also? Is there some rule of thumb (i.e. all facing downward to bottom of pool, or all facing up)?

    IG, Plaster, 15,000 gal, Free-form (angular)
    Pentair FNSP 48 DE filter (48 sqft)
    Hayward SP3010X15AZ pump with 1.5 HP motor (installed 3/2015)
    Rock waterfall, large live oak shades half the pool
    Re-plastered April, 2017

  5. Back To Top    #5
    Richard320's Avatar
    Join Date
    Jan 2010
    Location
    San Dimas, CA (LA County)
    Posts
    18,768

    Re: Orientation of Return Jets

    Not for skimming action. Ideally you can find some way to get water moving downwards as well, so you don't end up with temperature stratification.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

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