Rear outlet toilet?

docrckSeptember 30, 2012

I am renovating a bathroom in a pre-war building in New York City. Our original plan calls for moving the toilet. Now that the demolition is done, the contractor is saying it may not be possible to cut into some floor beams in order to move the waste line. He is suggesting a rear outlet toilet, as we could run the waste line across the wall. I understand they are common in Europe but seem to be very uncommon here. Here is the link to his example:

Anyone have experience with these toilets? Would you recommend?

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Seems like I read a review saying that the "flush assisted" mechanism on American Standard toilets (I can't remember which model) can be noisy.
I read it on one of the bathroom fixture sites such as or
Just did another google search and found more about this though I couldn't find a date on the posts - I'm sure if you searched for "noisy toilet" and "rear outlet", you might get some hits.
Good luck.

Here is a link that might be useful: - noisy flush assist toilet

    Bookmark   September 30, 2012 at 3:04PM
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Redesign. Move the toilet.

    Bookmark   September 30, 2012 at 6:03PM
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I think that toilet is attractive. I would not care about the noise. You're probably going from a flushometer-type toilet. Go for the most powerful flush you can get.

    Bookmark   October 3, 2012 at 7:42AM
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My parents 1970s house has one in the upstairs bath, and my mom loves it for ease of cleaning. They're planning a renovation in their retirement home and was insisting on them. I don't think they're far enough to have actually looked at fixtures.

    Bookmark   October 6, 2012 at 1:23AM
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docrck -- Can you report back how you resolved this issue? I am facing the same problem -- Either I can't move my bathroom as planned or I need to rear discharge toilet, but there seems to be slim pickings in the world of rear outlet toilets which is odd because, at least around here, they are not that uncommon.

Anyone else have any recent experience with rear discharge toilets?

    Bookmark   February 12, 2013 at 5:31PM
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I almost went with a Gerber rear-outlet in a renovated bathroom even though I didn't have to, just to save space front to back. They're not uncommon at all, Gerber makes both floorstanding and wall-hung varieties, American Standard and Caroma make several that are inexpensive, and companies like Saniflo make them since they're needed for their upflush systems. Of course there are also the much pricier tank-in-wall commodes that take a rear-outlet bowl that are increasingly popular from the likes of Toto, Geberit, Grohe, Duravit, and other high-end brands, and maybe from mid-level brands by now. Wall-mounted bowls are more difficult to install, but they leave the floor completely open for easy cleaning. I like them.

    Bookmark   February 12, 2013 at 7:16PM
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This is a late follow up, but we put in a Saniflo toilet without the pump part so that we could have a rear-outlet toilet. So far it's working well. With the lower water flow we do sometimes flush twice so we don't have to worry about backup happening. We had a backup one time, and since selectively flushing twice we haven't had it happen again.
The toilet is raised because my husband wanted it higher. The pipe coming out of the wall really isn't noticeable as you can see from the picture.

    Bookmark   August 9, 2013 at 3:45PM
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Why not do a wall hung toilet and eliminate the "noise" ?

Here is a link that might be useful: wall mount toilet

    Bookmark   August 12, 2013 at 11:47PM
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