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Thread: Need unusual toilet with 20" rough-in

  1. #1
    General Contractor dx's Avatar
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    Default Need unusual toilet with 20" rough-in

    Gentlemen, I need a toilet that has the floor outlet located forward of the normal position, preferably somewhere under the front of the bowl. Does anyone know of such a toilet?

    Reason: toilet cannot move due to limited space, but we need to do some structural alterations of the floor structure (joists) and there is no way to accommodate the drain at the present location.

  2. #2
    DIY Senior Member Reach4's Avatar
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    How far? 16 inches from the wall to the flange center, or much more?

    How about closer to the wall, or how about within the wall?

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    Forum Admin, Expert Plumber Terry's Avatar
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    You can find bowls that use 10", 12" and 14"
    And I've seen plenty where the bowl is out from the wall quite a ways.

  4. #4
    General Contractor dx's Avatar
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    As far forward as possible. 16" not enough, need at least 20".
    No, can't go closer to the wall or in the wall.

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    Terry, I don't want the bowl further from the wall, only the outlet.

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    Forum Admin, Expert Plumber Terry's Avatar
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    Terry, I don't want the bowl further from the wall, only the outlet.
    As far forward as possible. 16" not enough, need at least 20".
    14" is as good as it gets right now. It looks like you are getting a middle of the room toilet then.
    Last edited by Terry; 10-25-2013 at 09:46 PM.

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    DIY Senior Member wjcandee's Avatar
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    Here's an example of a great 14" toilet, the Toto CST474CEFG Vespin toilet: http://www.totousa.com/Portals/0/Pro...ST474CEF_G.pdf

  8. #8
    Forum Admin, Expert Plumber Terry's Avatar
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    Sometimes if plumbing can't be in the floor, there is a wall outlet option.

  9. #9
    General Contractor dx's Avatar
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    Not in this case unfortunately.

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    DIY Senior Member SamC's Avatar
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    I realize they used gallons of water, but where was the outlet located on those old toilets with the forward facing trapway?Name:  1957Eljer.JPG
Views: 79
Size:  37.9 KB

  11. #11
    DIY Senior Member wjcandee's Avatar
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    The same place it is today. I mean this in a nice way: give it up already. Get a Toto Unifit 14" toilet, or find a way to change the bizarre location of the flange. Maybe a real plumber (like a Terry or an HJ) could help you figure it out.

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    DIY Senior Member Reach4's Avatar
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    So the room in front of the toilet is not sufficient to move the toilet out from the existing wall, and build a shelf unit up to the tank.

    You may need a different carpenter who can do the structural support needed without interfering with where the toilet plumbing needs to be.

  13. #13
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    Quote Originally Posted by Reach4 View Post
    You may need a different carpenter who can do the structural support
    Hahaha, very funny. No, this is not a ghetto job. My structural engineer has spent a fair bit of time doing a CAD 3d model and moving things around, replaced some framing with steel beams, still not quite enough room. We have also (jokingly) considered a macerating toilet. Client wasn't amused

  14. #14
    DIY Senior Member Reach4's Avatar
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    If you have a floor plan, somebody may offer an idea. I wonder if rotating a toilet 90 or 180 degrees from its original direction would work.

    Your fallback is to get a 14 inch rough in toilet, and build a 6 inch deep something behind.
    Last edited by Reach4; 10-26-2013 at 10:43 PM.

  15. #15
    Forum Admin, Expert Plumber Terry's Avatar
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    If you can't go through the structure, can you drop below it?
    Sometimes I will run with a floor joist as far as I can, then drop below them if need and run sidewise to them.
    The heat ducts are often done that way. In fact most of the time they are done that way.

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