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Last Updated on November 18, 2022 by acechapman

Gabrielle is an ADA-compliant toilet with an elongated bowl that, thanks to some clever design with the tank, takes up no more space than a rounded front toilet does. This makes it an ideal option for fitting in smaller bathrooms and powder rooms. The toilet comes complete with a quiet close seat and lid, as well as a trip lever. Let’s read the Kohler Gabrielle toilet 2022 review in detail!

The toilet is EPA Water sense certified as a high-efficiency toilet (HET), which means that not only does it save water (and reduce water bills) but it still cleans the bowl on a single flush.

Kohler Gabrielle Toilet: Review


The one-piece toilet is manufactured from vitreous china with a high gloss glaze finish. The tank has a convex curve to it. This curve allows the toilet to be set back further than is usual with a standard tank design. Even with an ADA-compliant elongated bowl, the Gabrielle toilet takes up no more room than a round-fronted toilet.

Flushing System

The Gabrielle toilet uses Kohler’s AquaPiston flushing system. This system delivers 1.28 gallons of water with an added boost, increasing both the power and effectiveness of the flush. The fully glazed trap Aids the flush in clearing the toilet with a single flush. To explain how this system works, take a look at the below video.


Kohler Gabrielle’s cleaning efficiency comes from a combination of the power of the AquaPiston flushing, the method that which the water enters the bowl, the design of the shape of the bowl, and the fully glazed trap way. The toilet will clean even a large amount of waste completely on a single flush. Externally, the smooth curves of the toilet prevent any hard-to-reach places where dirt can accumulate. The toilet does not have any special coatings in the bowl, so almost any standard toilet cleaning agent can be used for cleaning.

KOHLER K-3615-0 Gabrielle Comfort Height One-Piece Elongated 1.28 GPF Toilet with AquaPiston Flush Technology and Left-Hand Trip Lever, White. KOHLER Gabriele Toilet 2022 Review


The Gabrielle toilet uses only 1.28 gallons of water for a full flush. This low water consumption combined with the ability to remove a large volume of waste gives this toilet an EPA Water Sense certification. In many municipalities, having a Water Sense toilet means that you are eligible for rebates on your water bills. Check out the EPA Water Sense website here, to check whether you are eligible for the rebates.

Ease of Installation

As with most standard toilets, the Gabrielle requires a 12” rough-in, this is the distance from the finished wall to the center of the waste pipe. Being a one-piece toilet, initially setting it on the gasket may be a little more awkward than with a two-piece due to the extra size and weight. Once set on the floor, the installation is very easy. The full instructions from Kohler, plus any tools and service parts are available here.

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Kohler Gabrielle Toilet Pros & Cons


  • One-piece toilet
  • Compact design takes up no more floor space than a round-fronted toilet
  • ADA-compliant (if the flush trip lever faces the approach to the toilet)
  • EPA Water Sense certified
  • Seat and lid included with the toilet
  • Chrome flush trip lever
  • AquaPiston flush system
  • Fully glazed trap way
  • 1-year limited warranty


  • While the toilet seat is very good, the lid is a little thin.

Overall                4.5/5

As per the above KOHLER Gabrielle Toilet review, it is an innovative solution to the problem with many elongated front toilets taking up more space than rounded fronted ones.

It meets or exceeds all the current legislative requirements of ADA compliance (if the flush trip lever faces the approach to the toilet) and Water Sense certification.

The Gabrielle is a highly recommended toilet and is one of the top-rated flushing toilets on the market.

Also worth checking out: Best Kohler Toilets Review.

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