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Thread: Any way to know how it's plumbed?

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    Any way to know how it's plumbed?

    Being a new pool owner I've been trying to figure out just exactly how all the pool plumbing works and what's connected to what and all that. I've been having a hard time figuring out just exactly what the function of the main drain in the bottom of the pool is really for. Since this house had this pool when we bought it last year, and it was an estate sale where the owner had passed away, and it was built most likely in the late 60s, we have no information on how it's all run. So in looking for diagrams I came across to examples that are different in the way the main drain connects. Is there any way to determine which way ours is done?

    There's this where it's run to the skimmer:


    And this where it's run straight to the pump:


    I would assume it would probably be helpful to know how it's connected if you wanted to like drain the pool or something like that, right? Also, we have just a manual vacuum which plugs into the back of the two holes at the bottom of the skimmer...does the main drain have any affect on vacuuming based on how it's plumbed?

    Thank goodness for this site! I've learned so much already and really want to get a good understanding of how our pool works!
    Julie
    ~27,000 gallon 18'x36' IG concrete pool built approx. 1969
    FNSP36 Pentair DE filter w/ 1hp pump
    coping, tile, plaster redone March 2013

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    Mod Squad JohnT's Avatar
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    Re: Any way to know how it's plumbed?

    If both holes in your skimmer are open, your pool is probably plumbed like the first drawing.
    TFP Moderator
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    Mod Squad Bama Rambler's Avatar
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    Re: Any way to know how it's plumbed?

    Pictures of the pad might also help determine how it's plumbed.
    Dave J. TFP Moderator
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    Mod Squad jblizzle's Avatar
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    Re: Any way to know how it's plumbed?

    I am quite entertained by trying to figure out the plumbing based on a few pictures ... bring them on
    Jason, TFP Moderator
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    Re: Any way to know how it's plumbed?

    Here's the pic of all our plumbing. I do know it was a pretty simple setup when it was originally put in. We have one main drain and one skimmer and 3 return jets. Let me know if you'd like a better/different angle photo.

    Julie
    ~27,000 gallon 18'x36' IG concrete pool built approx. 1969
    FNSP36 Pentair DE filter w/ 1hp pump
    coping, tile, plaster redone March 2013

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    Mod Squad Bama Rambler's Avatar
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    Re: Any way to know how it's plumbed?

    That pretty much tells us what's going on. It's pretty much a given that the skimmer and main drain are tied together. Check the bottom of the skimmer and see if there's a diverter in it. It'll either look like a twinkie or a space ship. If there's 2 holes in the bottom you probably need a diverter.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
    Pool School ----- Pool Math ----- TF-Test Kit

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    Re: Any way to know how it's plumbed?

    There are two holes in the bottom of the skimmer. What is a diverter and what is it used for?
    Julie
    ~27,000 gallon 18'x36' IG concrete pool built approx. 1969
    FNSP36 Pentair DE filter w/ 1hp pump
    coping, tile, plaster redone March 2013

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    Mod Squad Bama Rambler's Avatar
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    Re: Any way to know how it's plumbed?

    Go to the photo library and you'll see a pic of the two different styles. They're used to divert the water between the main drain and the skimmer and to seal off the skimmer if the water level gets too low so the pump dosen't starve for water.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
    Pool School ----- Pool Math ----- TF-Test Kit

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    Re: Any way to know how it's plumbed?

    Seems like the photo library used to be easier to find -- click on Pool School at the top of the page, then Complete Table of Contents, then click on Visual Encyclopedia of Pool Equipment under the Handy Reference Material heading. Or just click the following link:

    http://www.troublefreepool.com/pool-...l_encyclopedia

    There are two pictures of the diverters (that I saw) a little over half way down the page.
    27K gal, IG vinyl, 1.5 HP pump, 24" sand filter, Goldline Aqua Plus SWG

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