Re: Sewer backup caused leak at toilet?
Posted by hj on December 11, 2003 at 08:29:40:
In response to Re: Sewer backup caused leak at toilet?
Once the toilet is set, any movement, rocking, shifting, etc., will compromise the wax ring seal. This is not a problem during ordinary flushing, but will allow a leakage during a sewer backup. Very few wax rings will not leak under that condition.

: Our main sewer lateral backs up every couple of years, and this time the backup forced a leak at the base of a newly installed toilet. This toilet had not been leaking or showing any other signs of an improperly installed wax ring, but am I right to assume that there is an installation problem? Should the wax ring prevent water that is being forced up the drain line from leaking out of the toilet base in addition to that water which is dispeled during the flush?

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