New Toto Carolina II - Sewer gas smell

gwentmJuly 28, 2010

I had a sewer gas smell coming from 2 toilets even after changing the seals so I decided to replace them. In the master I had a new Toto Carolina II installed but there is still a sewer smell that is stronger than the one before. It appears to be coming from the toilet. I had the Supreme II installed in another bathroom. They put a double seal on that one and there is no smell. Anyone familiar with these new toilets have any ideas on what the problem could be? Do these toilets require double seals?

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originalvermonter

What is involved with a double seal?

    Bookmark   July 29, 2010 at 8:35PM
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gwentm

originalvermonter, Wish I could be of more help but I was not home when it was fixed. The explanation I received (understood??) is what I put in my post. If you need more details, I can check with my contractor.

    Bookmark   July 29, 2010 at 9:39PM
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kudzu9

A "double seal" is probably nothing more than using two wax rings rather than one. This is often done when the toilet flange sits far enough below the surface of the floor that a single wax ring might not be thick enough to span the gap and provide a good seal. This has nothing to do with "new toilets"; it has to do with the home construction.

    Bookmark   July 30, 2010 at 12:36PM
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brickeyee

" This is often done when the toilet flange sits far enough below the surface of the floor that a single wax ring might not be thick enough to span the gap and provide a good seal. This has nothing to do with "new toilets"; it has to do with the home construction."

It is not actually allowed by the codes either.

It is not that hard to cut off a flange and do it correctly.

    Bookmark   July 30, 2010 at 7:56PM
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gwentm

kudzu9, Yes that sounds like what was done.

If it is not allowed by code (in all places?), I assume there can be problems with this approach. Can you please tell me what they are?

    Bookmark   July 30, 2010 at 11:09PM
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