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    nin28's Avatar
    nin28 Posts: 5, Reputation: 1
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    #1

    May 29, 2007, 10:16 AM
    Toilet Soil Pipe Installation
    I'm installing a new toilet soil pipe in my bathroom and when I attach the 4" PVC elbow that will attach to the flange, the pipe comes more than 2" above the subfloor. Any ideas how I will be able to get this flush against the tile once it is installed? Also, I purchased a 3"/4" flange to installed, does this have to be glued in or does it just rest on the tile and in the soil pipe? Thank you.
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    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
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    #2

    May 29, 2007, 12:06 PM
    I hope you haven't glued t65hat 90 in yet. That fitting won't get it. It's going to be tight but I think a 4" PVC Street 90 might work. The end the flange glues on MUST be bald,(hubless).
    A 3 X 4" flange fits inside a 4" pipe and outside a 3" one. The flange must be glued to the pipe coming out of the floor. More questions? I'm as close as a click. Tom
    nin28's Avatar
    nin28 Posts: 5, Reputation: 1
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    #3

    May 29, 2007, 12:43 PM
    Fortunately, I have not glued the 90 in yet. I was considering going from a 4" to 3" pipe with a Fernco connector. Ideally, with the 3" 90, it will give me a tighter angle and will get the soil pipe more flush with the floor. Either way, I agree with you, and I'm definitely going to go with a street 90. What do you think?
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
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    #4

    May 29, 2007, 12:45 PM
    Go for it!
    ThomasCKeat's Avatar
    ThomasCKeat Posts: 157, Reputation: 12
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    #5

    May 29, 2007, 04:17 PM
    Had the same issue went with a 3" street elbow and a 3" flange and that reduced the height enough for me. Speedball is correct as usual
    nin28's Avatar
    nin28 Posts: 5, Reputation: 1
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    #6

    May 30, 2007, 08:15 AM
    OMW to the Home Depot :)
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    nin28 Posts: 5, Reputation: 1
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    #7

    May 31, 2007, 06:08 AM
    I got a 3" and a 4" 90 degree street elbow just to cover my bases. Looks like the 4" will do fine. Might have to take a 1/2" off or so from it, but it looks good. Thanks for the help.
    iamgrowler's Avatar
    iamgrowler Posts: 1,421, Reputation: 110
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    #8

    May 31, 2007, 06:50 AM
    I come across this all of the time in remodels, I usually buy a 3x3 cast iron closet bend and use a Mission, Fernco or Pro-Flex CP-33 to connect it to the 3" ABS or PVC trap arm.

    I then wait until the floor is finished, telling both the carpenter installing the sub floor and the tilesetter to leave me at least 3/8" of room around the stub out coming through the floor.

    When it comes time to set the water closet, I install a 3x3 cast iron torque set closet flange, bolting it to the stub out and fastening it to the floor -- I then take a 4" angle grinder with a cut off wheel installed and cut off the portion of pipe protruding beyond the closet flange.

    It's a lot of work, but given how I must warranty my work, it negates the need to cut off part of the gluing surface of the plastic 90 and plastic closet flange.
    nin28's Avatar
    nin28 Posts: 5, Reputation: 1
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    #9

    Jun 4, 2007, 11:48 AM
    Installed the 4" 90 street elbow and it looks good. Thank you for the help.
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