Also, before you make a purchase, make sure it can be replaced or returned if you are not happy with it after it is installed. Also, remember, to be eligible for the rebate, the toilet you select must be on the listing of approved ultra low-flush toilets. Most of today's 1.6 gpf toilets have been carefully engineered to clean the bowls and move waste using a small amount of water. But, as with any consumer product, some models work better than others, and it is always a good idea to do a little research before you buy anything. A Consumer Reports article, dated February 1995, rated 1.6 gpf toilets.
Local libraries have back issues of the magazine to review.
The study pointed out that there are significant differences in performance between brands and models as measured by the frequency that problems occurred. A. One reason is that early models were poorly designed and some of these are still around. In addition, you can still buy models that perform poorly though you have to try hard now to find one from a major manufacturer. Sometimes, people naturally operate under the assumption that if one didn't perform well, they're all bad. But this notion simply isn't true.