There is no reason to change tank design.
One thing that determines how well the water drops, is the height.
They did change the flush valve flapper to release less water.
They also have a new part number on the bowl.
I will be interested to see why they changed the bowl numbering and how it's changed.
There is a certain part of my business that is helping consumers buy green products.
I also have the one-piece Ultramax's in the E-Max flush.
Tank to bowl
From the top
WaterSense HET






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I'd love to order something in the next week and have my handyman install them sometime soon --- Oh, and a question for his benefit: are these fairly easy to install or is there anything tricky about them??
I'm only 65 (only?) but my knees are shot, and with the riser we put under the current Kohler toilets in the house, they raise them about 3-1/2 inches and that is just fabulous -- almost like sitting in a chair at the table! I bet that one day you'll be grateful for the taller toilet!


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