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TOTO Promenade II 17 3/4" 1.0 GPF Single Flush Toilet Tank

On Sale:
$224.80 $281.00
(20% Off)

Select Finish*

On Sale:
$224.80 $281.00
(20% Off)
Usually Ships in 1 to 2 Weeks
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.


Product overview


Product Specs:

Product Specs

  • Product Type: Toilet Tanks
  • Finish/Color: Copper, White, Pewter, Brushed Nickel
  • Style: Traditional/Classic
  • Material: Vitreous China
  • Warranty: 1 Year Limited Warranty


L 17 3/4"

About TOTO ST403U Promenade II 17 3/4" 1.0 GPF Single Flush Toilet Tank

The TOTO Promenade II 1.0 GPF Toilet Tank is designed for use with the Promenade II bowl. The Promenade II tank includes a tank to bowl gasket, tank to bowl hardware and toilet bolt caps. The tank features TOTO's industry leading 1G technology, offering a powerful flush that flushes completely and fully with only one gallon of water. This version of the tank comes equipped with a decorative left-hand chrome trip lever.
  • Vitreous china construction
  • Water Use: 1.0 GPF
  • Flushing system, creates a powerful flush
  • Left-hand chrome trip lever
  • Trim coupling components included
  • Flush Valve Size: 3"

Key Features & Innovations

1.0 GPF Gravity-Fed Flushing System

This new line of toilets uses TOTO’s gravity-based Double Cyclone technology, offering a balanced and ultra-efficient 1.0 gallons per flush. The system is simple and powerful and surprisingly quiet, giving you peace of mind in your home and for the planet.



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

This product has the following variations:

SKU Description Price
ST403U#01 With Finish: Cotton $224.80
ST403U#11 With Finish: Colonial White $224.80
ST403U#03 With Finish: Bone $254.80
ST403U#51 With Finish: Ebony $322.80
ST403U#12 With Finish: Sedona Beige $254.80

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