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Thread: Pointing the return Down

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    Pointing the return Down

    Does anyone know if and how much you really save when you face the return down when heating your pool?

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    GreatCanadian's Avatar
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    Re: Pointing the return Down

    That's the first I've heard of it. But I'm sure others here have knowledge of it!! It does make sense though, because you're not disturbing the surface as much with the return facing down.
    13'x22'x52" 8,000 gallon ProSeries Pool with Borates
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    Re: Pointing the return Down

    Also the interaction taking place between the heated and non heated water is longer. If the return is facing up its interacting with unheated water and the air. I wish there was some data out there to know exactly what the savings are. There are some products claiming outrageous savings.

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    Re: Pointing the return Down

    By FAR, the single largest heat loss is radiation into the atmosphere. I have no data but pointing the jets downward seems very insignificant to me.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Re: Pointing the return Down

    Think there would be a way to test it? Indoor pool? Think that could be an interesting thing to do....

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    Re: Pointing the return Down

    In my mind, the benefit is so insignificant, it would not be worth the bother to attempt a test of any kind. That said, the forum is always interested in the results if you would like to do the test.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    GreatCanadian's Avatar
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    Re: Pointing the return Down

    Yeah, I agree about the insignificant difference. I do believe that there is indeed SOME difference due to the increased surface disturbance.
    13'x22'x52" 8,000 gallon ProSeries Pool with Borates
    Intex 110 pound Sand Filter with Zeobrite, 2650 gph pump, 0.95 hp
    Bestway SWG
    AquaPro ECO500 50,000 BTU heat pump
    GLI Whirlwind Solar Cover Reel, TF-100 Test Kit

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    Re: Pointing the return Down

    I'll look first to see I can scratch some data up

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    Re: Pointing the return Down

    I tried it, and noticed a couple of things, one of which was obvious. I pointed one return down, and didn't notice a real difference in water temp. I did, however, notice more junk sitting in that corner that couldn't be directed towards the skimmer.

    I would rather have a cleaner pool as opposed to having a heat loss issue.
    Kansas City, MO
    13500 gallon Foxx vinyl sport pool--inground (1988)
    Cristal-Flo sand filter
    Ray-Pak 406A digital
    1.5 HP single speed
    400 gallon Heldor inground spa, octagon

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