At first glance, the Kohler Highline Classic model ... by a fully-glazed trap way and dual flush system. Instead of a single lever, this no clog toilet has a two-sided button on the top.

But the word "pressure" doesn't guarantee more oomph with each flush: Only one pressure-assisted toilet, the Kohler Highline Classic ... to reach the typical sewer system without buildup ...

The third one was also missing the bumpers between the seat and the bowl. Kohler toilet w/ piston water flush 2 step doesn't flush even at the 1st step, let alone at the holding the handle down ...

We expect this model to perform similarly to the tested Kohler Wellworth K-3575 although it may differ in price and features. The Kohler Highline is a "comfort height" model and is ADA compliant.