Kohler toilet w/ piston water flush 2 step doesn't flush even at the 1st step, let alone at the holding the handle down for the 2nd step. We woke up to the toilet leaking water into the bowl.

Dual-flush toilets, which include a separate ... Only one pressure-assisted toilet, the Kohler Highline Classic ($425), made our recommended list. Some others didn't dispatch our simulated solid ...

Most are single-flush models, though the top-rated Glacier Bay model is a dual-flush toilet, meaning you can use minimal water for most flushes. All of the models below are WaterSense certified by ...