2016 Best Water Saving Dual Flush Toilets – One Piece and 2 Piece Reviews

In a state where you are required to save water especially on toilet uses, buying a dual flush model is the best option you can have. Low-flow toilets saves water, money and the environment simultaneously, it would be great for you to pick the best dual flush toilet this 2016. Below are the list and reviews for each dual flush models.

Best Seller – American Standard Dual Flush Toilet
American Standard 2889.216.020 H2Option is a two-piece siphonic dual flush toilet and is the best seller for commercial two-piece toilet in the market today.

It is a WaterSense certified model since its using 1 gallon of water per “light” liquid flush ( urine or small kid poop ) and 1.60 gallons of water per “heavy” solid waste flush.

This dual flush toilet saves 20% less water than the regular 1.60 gpf toilet like the American standard champion 4.

A.S. 2889.216.020 H2Option receives a high Maximum Performance rating, able to flush down 1,000 grams of solid waste in a single heavy flush while the light flush rating is 400 grams of solid waste.

H2Option flushing system features a powerwash rim where water goes into the rim chamber, trapping air inside. The water then is discharged from special holes completely wash the bowl and waste on it.

Jet-Powered Siphon is a feature that allows water from the tank to go down directly into a bowl jet. The siphon push the waste into the trapway through the jet then the pull from the siphone empties the bowl solid or liquid waste.

Dual flush button actuator are located on top of the tank.

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Toto Two-Piece Dual Flush Toilets

Toto Connelly CST494CEMFG  is a two-piece dual flush toilet using 1.28 gallons per flush for solid waste and 0.9 gallons per flush for liquid waste. A High efficiency WaterSense toilet.

Using 2 of Toto’s best flushing system, it is indeed the best toto dual flush model for 2016. This model features the double cyclone and dual max flushing system. Release on June 2014, this is a great toilet people need to know.

2 flushing features in a toilet

Double cyclone uses 2 nozzles allows more water to pass through and swirl down into the bowl instead of small tiny rim holes. There is a 3rd nozzle at bowl bottom pushing the solid waste into the trapway thus we call it 3-D tornado flush.

Dual Max provides 2 flush options, 1 for liquid of soft waster and 2 for heavy solid waste. Using 0.90 gallons so liquid and 1.28 gallons for solid. The low flow models are those using 1.60 gallons, while the HET / high efficiency models uses 1.28 gpf, while the Premium HET models uses 1.0 gpf…. Connelly uses 0.90 gallons.


Features:

  • SanaGloss
  • Dual-Max Cyclone Flushing System
  • Concealed Trapway
  • Chrome Trip Lever with Dual Flush Option
  • Elongated Bowl
  • Universal Height
  • ADA Compliant
  • 12″ Rough-In

Connelly uses chrome plated trip lever placed beside the tank.

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Toto Aquia II CST416M is a 2-piece toilet uses dual max flushing system. Aqua II is a WaterSense approved dual flush elongated toilet with an option of 0.90 gallons of water per flush for liquid or soft waste and 1.60 gpf for solid waste.

Pros

  • Flushing is powerful and quiet
  • Dual flush functions very well
  • Saves water and money
  • Cleans the rim and bowl well
  • Good looking model
  • Standard Height

Cons
Getting used to push down lever

Weighs 95 pounds. This model was first released November 2008. Dual flush actuator is placed on top of the tank. Rough-in is 12″.

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Kohler Dual Flush toilet

KOHLER K-3987-0 Wellworth is a WaterSense two-piece dual flush Toilet good for small bathrooms and powder rooms. Easily choose 1.10 gallons per flush for liquid waste and 1.60 gpf for solid waste.

K-3987-0 Wellworth is a water saving toilet which means it saves 20% than the regular 1.60 gpf low flow toilet. A high performance toilet using a siphone jet flushing technology that ensures powerful clog-free dual flush toilet. Toilet weight is 45 pounds and was first released on April 2013.

Kohler Wellworth uses a trip lever that offers a 1.1 gallons and 1.60 gallons per flush option. ( right image ) Long green lever is for the light flush (urine) and the full lever for solid waste flush (poop).

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One Piece Dual Flush Toilets

Heirloom One Piece Dual Flush Toilet

HET / Highly efficient dual flush toilet uses 0.8 gallons of water per flush for liquid water like urine and 1.60 gallons for solid waster like poop. This toilet saves 67% more water than the single flush toilet.  One-piece small elongated toilet uses a siphone jet flush action provides great flush. This model is best for small powder rooms. Good price for a working one-piece dual flush feature.

Weighs 92 pounds and was first released on April 2009. Dual flush actuator is placed on top of the tank.

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EAGO TB351 Dual Flush Eco-Friendly 1-piece Toilet uses 0.80 gallons of water per flush for liquid waste and 1.60 gallons for solid waste.

A WaterSense certified toilet model. This includes soft closing toilet seat and lid.

Uses 3 inch flushing valve, powerful, qquiet, sleek and efficient toilet. Uses wide bowl area which prevents bad odor and makes it easy for cleaning.

Weighs 92 pounds. First release October 2009. Dual flush button is placed on top of the tank.

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Dual Flush Toilet Converter

HYR460 HydroRight Total Toilet Repair Kit with Dual Flush Converter

Using this converter you can easily convert single flush toilet into a dual flush toilet without the need for tank removal and installation.
No tools or tank removal needed for installation

It is capable of detecting leaks and it will signal once it occur thus increasing the efficiency of your single flush toilet.

 

What is a dual flush toilet

A dual flush provide users an option to use 2 flush buttons on top of the tank or trip lever on the side of the tank. Most dual flush models offers 1.60 gpf and 1.0 ( and below ) gpf. Most of the dual flush loo are Watersense approved since its efficient flushing system has a good powerful flush that uses less water than the regular 1.60 low flush toilet. A 1.60 gpf toilet is consider a low flow toilet, while a 1.28 gpf is a HET and a Premium HET uses 1.0 and below gpf. Some of the dual flush models above offers even 0.80 gpf which can really save you water, money and helps the environment

Dual Flush Toilet Mechanism Video

We hope you like our dual flush toilet review. You might encounter these common dual flush toilet problems, you can read the solutions here.

Toto MS992CUMFG#01 Neorest 1.0 GPF and 0.8 GPF 700H Dual Flush Toilet

Toto MS992CUMFG#01 Neorest

Toto MS992CUMFG Neorest: Your Toilet Water Saving Solution

Dual water selection is one of the best ways to save water when it comes to flushing the toilet.  As you can see, not all toilet loads are heavy and need a huge amount of water to flush it down.

Toto MS992CUMFG#01 Dual Flush Toilet

Presenting this Toto toilet which has dual flushing selection at 1.0 GPF and 0.8 GPF selections! Look at those numbers, you will be asking if this water measurement is ample enough to flush down all the things you loaded into the toilet while relieving yourself.  You have to look into the features to understand the mechanism of this product.

Features

In this section, you will understand why water outflow is not that large.  Here are the features that will explain why:

  • Cyclone jet flushing siphon system which gives better flushing efficiency minus using huge amount of water
  • Uses only SanaGloss ceramics for better and efficient cleaning; thus, it is durable and will not give space for molds, germs, and bacteria to cling on to.
  • Automatic flushing after using the toilet
  • Equipped   with famous Toto’s Cyclone system which ensures most hygienic toilets all the time
  • Adjustable spray to allow right water temperature and volume

Pros

Here is a rundown of the benefits and advantages when you have all of the above features:

  • Convenience – this product can be considered as fully automatic as the lid opens and closes automatically, has remote control operation, auto temperature heated seat, automatic flushing, and among others.  Thus, it gives total comfort for all users.
  • Cleanliness – it has a skirted design where there are concealed trapways, made of SanaGloss ceramics which is designed to lessen health damaging microbes from embedding deeply in different surfaces of the toilet; thus, users are assured that they will be always clean after each use of the toilet.
  • Savings – because it is so efficient when it comes to cleaning, no need to use chemicals and water very frequently; thus you save not only time and money but also the environment.

Cons

Because all functions are remote control operated, it is indeed difficult to reconfigure or perform manual operation and this is a problem if you have a small bath and toilet area as other activities that you do inside might affect the auto function of some of the features of this item.

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Customer Review and Score

With all those features and advantages, it is not surprising that it received high ratings from:

  • Prime who found this product very excellent
  • Alexander was very happy that he can finally get rid of the messy toilet paper.
  • Evan said that this item is very friendly to your butt.

Customers find minor drawback in terms of wiring installation, however, it can be attributed to understanding the manual especially if it is a do it yourself affair.

Specifications
Weight – 120 pounds
Size – 3
Dimensions – 32.5 inches x 15.5 inches x 21.5 inches
Water Consumption – 1 GPF / 0.8 GPF

Conclusion

If you want great savings, convenience, and cleanliness all the time, this item is a good choice.  An added bonus is that it cost only a little over $4,000.00