American standard Cadet 3 is the one we used in the apt complexes, it has a larger discharge hole at the bottom of the tank. I dare you to put the lid down flush the toilet & pick up the lid fast enough to see it discharge. The bowl will already be empty. We had a 3" main under all 11 buildings instead of 4" this made that system work much much better. I installed several of these toilets over the years I was there both handicapped & regular height toilets. If you want stress & what it can do to you try managing apts. for 17 years.
Last edited by Bart Leetch; 01-15-2015 at 04:13 PM.
"Forget the flat stuff slap something on the spinny thing and lets go, we're burning daylight" Bart Leetch
"If it ain't round you may be a knuckle dragger""Turners drag their nuckles too, they just do it at a higher RPM"Bart