Good Housekeeping Institute
For a quieter option, pick the gravity-fed, dual-flush Toto Aquia ($417.50). It has an extra-low 0.9-GPF small flush for liquid waste, and its 1.6-gallon full flush was tops in the Good Housekeeping Research Institute's clog tests.Gerber Ultra Dual-Flush ($367) took the top spot, with two pressure-assited flush strengths. You push down for a smaller flush (1.1 GPF) or pull up for a larger one (1.6 GPF) if desired. But since the smaller one performed just as well as the large on all clog tests, Good Housekeeping recommends using the low exclusively, for even greater water savings. Pressure assistance uses a mechanism in the tank to propel water downward. It's usually most effective, but it can be noisier.(It's one we like to sell too, very dependable in use, of the 225 that we have sold, we haven't had to do any repairs) Terry)
The panel of experts rated the Kohler's Highline Comfort Height ($517) tops for appearance.(We liked the Gerber Dual Flush too, until we started replacing tanks. We've had 42% of the WDI dual flush tanks for the Gerber fail in the first year. Terry)
Pictures below.
The magazine also recommends the quieter, gravity-fed Toto 1.28-GPF Eco Drake ($318)
The story and the video
Toilet paper poll
The Gerber with EcoFlush DF-21-318
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