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Thread: Mystery Return Question

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    Join Date
    Aug 2012
    Location
    Shreveport, LA
    Posts
    46

    Mystery Return Question

    So, a little backstory...when we bought our house a year and a half ago (with in-ground 25,000 pool) I asked the previous owner how many returns were supposed to be in operation. At that time there were three "returns" in the pool, but only two had eyeballs on them and were actually functioning. He said that the two with eyeballs were the only ones and he didn't know what the other was for.

    Fast forward to today and I finally got around to trying to figure out a dead grass spot right next to my pool deck. I figured the grass was already dead so I took a shovel to it and after a couple of moist shovels of mud, I hit water. Long story short, after much careful digging and investigation I came upon a 1-1/2" pvc pipe with no cap on it. Towards the end I was digging with my hands and pulled out some wax-like paper and that's when the water really came a-gushing. I'm assuming that somebody had stuffed or wrapped the end of the pipe in something and then forgot about it. I should mention the pipe leads towards the pool right where the "dead" return is.

    My questions are: is this common and why didn't they hook up the 3rd return (maybe it was for a vac line that they decided not to use)? Is there any benefit to having it hooked up (since I've already gone through the trouble of digging it up)?

    Thanks!
    20,000 gallon, free-form, plaster, SWG, Hayward Pro Series sand filter, Dolphin Discovery

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    JasonLion's Avatar
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    May 2007
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    Silver Spring, MD
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    37,879

    Re: Mystery Return Question

    It is somewhat common to leave an extra port for a possible future pressure side cleaner. But normally it would run back to the equipment pad and terminate above ground.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

  3. Back To Top    #3
    Divin Dave's Avatar
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    Oct 2013
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    Longview, Texas
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    4,926

    Re: Mystery Return Question

    I think that was intended to be an overflow. Some PB's will do exactly what you have then tell the homeowner its up tp them what they want to do with it from there. Thats exactly what happened to me.

    Get a PCV cap, some primer and glue and glue a cap on the pipe. OR, route it somewhere and use it for an overflow.
    Divin Dave,
    IG Vinyl, 15' x 30', 3 1/2' - 6' deep, Oval, ~15K gal, Intelliclor IC40, Intelliflo VS pump, Clean and Clear 420 Filter, auto-fill-disabled, Retrofit LED Color Light, Dolphin Nautilus Robot, TF100 Test Kit, Taylor K1766 Salt Test Kit, Tftestkit Pressure Gauge.
    www.tftestkits.net Experience- it's what's learned just after you needed it most !!

  4. Back To Top    #4

    Join Date
    Aug 2012
    Location
    Shreveport, LA
    Posts
    46

    Re: Mystery Return Question

    Thanks for the advice, guys.

    Looks like I'll just cap it, fill the hole back up and call it a day.

    Thanks!
    20,000 gallon, free-form, plaster, SWG, Hayward Pro Series sand filter, Dolphin Discovery

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