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    jac67's Avatar
    jac67 Posts: 1, Reputation: 1
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    #1

    May 16, 2010, 11:26 AM
    Plumbing/can I lay a combo on its back ,when doing a rough-in
    I am planning to add a second rest-room.need to know when laying out my rough-in ,can I lay a combo on its back
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
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    #2

    May 16, 2010, 02:20 PM
    Quote Originally Posted by jac67 View Post
    i am planning to add a second rest-room.need to know when laying out my rough-in ,can i lay a combo on its back
    Surec can! And on its side also. Bet you're thinking of a sanitary tee which is not used under the pour. Good luck, Tom
    Milo Dolezal's Avatar
    Milo Dolezal Posts: 7,192, Reputation: 523
    Plumbing Expert
    		  
    #3

    May 16, 2010, 04:32 PM

    I work under UPC. Here. We use one piece Comby as transition from vertical to horizontal. We use "Y" and "45" fitting ( Street or Regular ) glued together for horizontal transitions.

    1st photo: Comby
    2nd photo: "Y" fitting
    3rd. Photo: Street 45 ( glues directly into "Y")
    Attached Images
       
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
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    #4

    May 17, 2010, 07:36 AM

    ]We use "Y" and "45" fitting ( Street or Regular ) glued together for horizontal transitions.
    Please explain the difference between a combination wye and eighth bend ( you call them "coimby" and we call them combo) and a eighth bend you glue into a wye. Or is this just another UPC requirement , such as the counter top air gap thingy, that defies reasoning and good common sense? LOL!
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