Decorplanet logo
(800) 504-9974
View Desktop Version

We are sorry, but this product is no longer available for sale.

TOTO ST416M Aquia II 15 3/8" 1.6 GPF & 0.9 GPF Dual Flush Toilet Tank

Product Code: ST416M


Select Finish*

  • Colonial White
    More info
    -$0.00No charge
On Sale:
$151.20 $189.00
Usually Ships in 2 to 6 Business Days

Easy Monthly Payments with
Price Match Guarantee 110%
Questions about TOTO ST416M?
Please select product options from configurator.
Retailers have the legal right to set their own prices, but some manufacturers place restrictions on how those prices may be communicated. Because our price on this item is lower than the manufacturer's "minimum advertised price," the manufacturer does not allow us to show you our price until you place the item in your cart, or in some cases, proceeding to the final checkout stage. You are not required to purchase the product to see our lowest price, simply just remove it from your cart.
WE ACCEPT: and more...
Save to Wishlist

About TOTO ST416M Aquia II 15 3/8" 1.6 GPF & 0.9 GPF Dual Flush Toilet Tank

The TOTO Aquia II Dual-Max, Dual Flush 1.6 and 0.9 GPF Toilet Tank is designed for use with the Aquia II dual flush bowl. The Chrome center-mounted push button that sits atop the tank allows you to choose between a 0.9 GPF rinse or 1.6 GPF for tougher jobs. The Aquia II tank includes a tank to bowl gasket, tank to bowl hardware and toilet bolt caps. The Aquia II ST416M tank can be used on the CT416F Aquia II bowl.
  • Vitreous china construction
  • Water Use: 1.6 GPF & 0.9 GPF
  • Dual-Max flushing system, creates a powerful flush
  • Chrome push-button style dual flush option

Key Features & Innovations


The Dual-Max flushing system is a great example of TOTO’s industry leadership, featuring a balanced approach in the design of the bowl and trapway, coupled with an advanced flushing mechanism. The system lets you choose between 0.9 or 1.6 gallons per flush, whatever amount fits your needs. This sensible approach to water consumption reduces your average consumption to 1.13 gallons per day.

  • Integrated control
  • Advanced flushing mechanism
  • Choice between 0.9 GPF to 1.6 GPF
  • Optimizes water conservation


A partnership program of the U.S. Environmental Protection Agency (EPA) makes it easier to save water and protect the environment by identifying high efficiency products that perform well. The WaterSense label was created to encourage manufactures to produce water efficient plumbing fixtures and to develop a system to help consumers recognize these products. that have been performance tested and validated by several agencies.

As members of the EPA’s WaterSense Steering Committee, TOTO water efficiency specialists advised the EPA on developing product performance criteria for the WaterSense program. TOTO products are recognized is part of the EPA’s National Environmental Achievement Track, the “gold standard” for facility-based environmental performance, recognizing environmental excellence by encouraging facilities with strong environmental records to go above and beyond legal requirements. TOTO is also a partner in the EPA’s innovative collaboration with the freight industry to increase energy efficiency while significantly reducing greenhouse gases and air pollution.

  • Qualify as high efficiency toilets (1.28 GPF or less)
  • Have a minimum soybean paste flush score of 350 uncased grams
  • Meet the los angeles department of water and power supplementary pricing specification regarding trim quality and tank volume
  • Have third party testing agencies conducting product performance testing and validation

L 15 3/8" x W 7"
Product Type Toilet Tanks
Finish/Color Copper, White, Pewter, Brushed Nickel
Style Modern/Contemporary
Material Vitreous China
Warranty 1 Year Limited Warranty
User Reviews

User Reviews

Remember me
Sort by:  Latest  |  Helpful
Questions & Answers

Questions & Answers

Have a question? Ask here.

To Top