drain waste vent


Old 01-25-02, 10:48 AM
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Exclamation drain waste vent

Help! We are putting ceramic tile on our bathroom floor and walls. The problem that we have is that the toilet sits too close to the wall to accomodate the tile. A friend recommended that we cut and replace the cast iron drain pipe so that the new pipe sits about an inch further out than the original. The iron has slightly corroded at the top.

It seems to me that there should be some sort of extension that can be placed at the top of the pipe to give us the added length without having to go thru the hassle of cutting and buying new pipe.

Is this possible? Are there other possible solutions?
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Old 01-25-02, 11:30 AM
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You need to cut the cast iron drain pipe with a rented snapcutter, and add an ABS black plastic closet bend and a new toilet flange.

Connect the two pipes with a Fernco coupling.

Fernco Coupling
You need to raise the toilet flange to sit on top of the new tile floor anyway. Drill the anchor holes in the tile with a masonry bit, and bolt the new ABS flange securely to the floor.
Good Luck!
Old 01-25-02, 11:33 AM
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Measure the distance off the back tiled wall to the center of the toilet flange, if you get between 10" to 11" then you can install a 10" center set toilet, this would be less costly then trying to move the flange.
Old 01-25-02, 02:58 PM
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Not sure if I'm totally sure what you're referring to, but a flange extension can be bought at Lowe's and Home Depot that will allow you to shift your toilet up to 3".

Good luck
Old 01-26-02, 11:02 PM
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Talking Thank you!

Thank you, everyone, for such quick responses! We were able to get this taken care of without too much stress. I really appreciated the picture of the workings of the toilet system. We purchased an offset flange that installed easily!

Happy Plumbing!

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