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Thread: Low flush toilets causing sewage pipe clogs???

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    DIY Junior Member mrgooch's Avatar
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    Default Low flush toilets causing sewage pipe clogs???

    It is my belief that using toilets with a low volume of water to flush waste would or could eventually cause a blockage in the sewer pipe. Wouldn't waste and paper tend to collect without a volume of water to move it?

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    Forum Admin, Expert Plumber Terry's Avatar
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    At my mom's home, her sewer line is 250 feet 4" clay pipe.
    She has two 1.6 bowls and one 3.5
    The 3.5 has much slower drainline carry than the 1.6 bowls.
    That line has been there since 1962 and the only time we snaked it was when paper caught on a gas line that had been drilled through the clay pipe.
    We cut the pipe with the cutters on the snake and had the gas company out to relocate the gas line. It's been fine ever since.

    Warning: Cutting a gas line inside a sewer line can have serious problems.

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    DIY Senior Member Reach4's Avatar
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    Quote Originally Posted by Terry View Post
    Warning: Cutting a gas line inside a sewer line can have serious problems.
    That could be spectacular. That's got to make its way into the storyline for a movie.

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    DIY Junior Member mrgooch's Avatar
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    Hello Terry
    Have you ever heard of this concern before?

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    Forum Admin, Expert Plumber Terry's Avatar
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    Have you ever heard of this concern before?
    I hear about the worry, but then I've installed thousands of 1.6 and 1.28 gallon toilets without issues.

    I've also heard about old homes with old lines and old toilets that need snaking every other year because of roots and cracked lines. More water doesn't help with roots. It just makes more of a mess when it backs up.

    Here is a video of a 1.1 gallon flush

    Last edited by Terry; 10-27-2013 at 09:34 AM.

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