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I purchased a Kohler toilet about 6 months ago for my bath remodel. I finally got the bath finished after a sequence of delays. The toilet is about 1/8" off level in the rear (see photo) and rocks significantly. BTW, this was not a cheap toilet so I'm a bit miffed. Before I try to exchanged it, I wanted to check if it's reasonable to do so. I know I can shim it but I feel like this is a manufacturing defect that shouldn't have left the factory. It's a Kohler Cimarron from HD.

enter image description here

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Are you sure its the toilet and not your floor that's the problem? –  Steven Jul 6 '13 at 14:50
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We need a better picture, we need to see what the level is like on the floor, and a pic with toilet off would be good. There are some bunky toilets but uneveness is usually the flooring/plumbing. –  DMoore Jul 6 '13 at 18:53
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If the toilet were on a firm level base and the rim were off 1/8" in the rear, I could see it being by design from Kohler. But wobbles? Unless you can clearly show how the toilet configuration causes the wobble, I have to believe the problem is in the installation, not the toilet. Your picture does not demonstrate anything meaningful to me. –  bcworkz Jul 6 '13 at 21:22
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Is the toilet installed in that picture? It looks like it's simply sitting on a carpeted floor, in which case I wouldn't expect the toilet to not sit flat. The drain on the toilet sits slightly lower than the bottom of the toilet, this allows the drain on the toilet to sit down inside the floor drain (which should be level with or just above the floor). –  Tester101 Jul 7 '13 at 12:46
    
Unlikely to be the toilet, they are made in a mould. –  Matt Jul 7 '13 at 21:42

1 Answer 1

The toilet is upside down in this photo and level is resting on the bottom, across the drain -- admittedly this is not the best photo. The original idea of the photo is to show the gap between level and bottom of toilet. The level is only being used as something straight, not level as in horizontal. In this photo the level is resting on the bottom of the toilet. The problem is the level rocks on the supports and edge/rim of the bottom -- in other words they are not aligned and off by 1/8". I have another Kohler, same model and it's within 1/32 so I think I answered my own question that this toiled it defective.

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The drain horn on some toilets are intentionally slightly lower than the fixture bottom. It fits into the bevel of the toilet flange so does not prevent the toilet from bearing flat on the floor. Some variance in manufacture is not necessarily a defect. What is an issue is if the toilet does not fully bear on the floor when installed. –  bcworkz Oct 6 '13 at 19:07
    
Yes, the drain horn is lower but it isn't the issue -- it's the supports around the horn, they are not level with the base, although they should be. The level doesn't touch the drain horn –  Andrew Oct 9 '13 at 13:59
    
OK, I still wasn't getting it, sorry. It's hard to grasp the whole picture from just a detail image. Yes, there should be nothing protruding below the support rim other than the drain horn. Perhaps the base was inadvertently distorted when it was removed from the mold. –  bcworkz Oct 9 '13 at 20:38

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