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Gerber Ultra Flush 21-312

*Est. $340

Gerber Ultra Flush 21-312

Most powerful toilet

pros
  • Removes the most solid waste in a single flush
  • Quiet but powerful
  • Large water surface
cons
  • Requires home water pressure of at least 25 psi
 
 
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February 2009. With its Sloan Flushmate Flushometer-Tank System, the two-piece Gerber Ultra Flush 21-312 toilet gets accolades from reviewers, who say it removes the most solid waste in a single flush. This pressure-assisted toilet achieves its high performance by using compressed air inside the tank, which creates a turbo-charged flushing action. The Gerber also has a large water surface, which helps keep it clean and prevents stains, and though it's powerful, testers say it's quiet as well. However, bear in mind that pressure-assist toilets require home water pressure of at least 25 pounds per square inch (psi); if your home has lower water pressure, you might want to consider a gravity toilet like the well-reviewed TOTO Eco UltraMax MS853113E (*est. $450), although it doesn't remove as much solid waste in a single flush as the Gerber toilet.

The Gerber Ultra Flush 21-312 toilet is included in Consumer Reports' latest roundup; this toilet is also discussed in the Maximum Performance (MaP) Testing of Popular Toilet Models 13th Edition and by the Business Environmental Alliance.

Where To Buy
 
 
Featured StoresStore RatingNotesTotal Price
Faucet DepotFaucet Depot rated 4.50 (228 reviews)228 store reviewsIn Stock. Free Ground Shipping$302.50
VidaVici.comVidaVici.com has not yet been reviewed0 store reviewsIn Stock. $735.00
 
 
 

Our Sources

1. ConsumerReports.org

Consumer Reports tests over a dozen toilets using baby wipes, sponges, plastic balls and tubes designed to simulate waste. The Gerber Ultra Flush figures prominently in this latest update.

Review: Toilets: Comfortable and Efficient, Editors of Consumer Reports, Jan. 2008

2. Alliance for Water Efficiency

In this 13th edition of the test, testers were given the choice of uncased media or soybean paste encased in a latex membrane "similar to a sausage" to test toilet performance. The constantly updated results are charted by manufacturer and toilet performance. The Gerber Ultra Flush is one of the top performers here, flushing 1,000 grams of simulated solid waste per flush.

Review: Maximum Performance (MaP) Testing of Popular Toilet Models 13th Edition, Veritec Consulting Inc. and Koeller and Company, Nov. 2008

3. Business Environmental Alliance

The Business Environmental Alliance of Sonoma, Calif., appraises low-flow toilets based on Consumer Reports' October 2002 test results; top performers include the Gerber Ultra Flush.

Review: The Bottom Line, Editors of The Bottom Line, Spring 2003

Toilets Runners Up:

TOTO UltraMax MS854114S *Est. $405

2 picks including: National Association of Home Builders (NAHB) Research Center, Love Plumbing and Remodel…

Kohler Cimarron 3496 *Est. $300

2 picks by top review sites.

Eljer Titan 091-0777 *Est. $325

2 picks by top review sites.

     
 
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TOTO MS854114S#12 UltraMax Elongated Toilet, Sedona Beige
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