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TOTO ST743EDB#01 Eco Drake 19 7/8" 1.28 GPF Single Flush Insulated Toilet Tank with Bolt Down Lid in Cotton White

Product Code: ST743EDB#01

About TOTO ST743EDB#01 Eco Drake 19 7/8" 1.28 GPF Single Flush Insulated Toilet Tank with Bolt Down Lid in Cotton White

The TOTO Eco Drake E-Max 1.28 GPF Insulated tank with Bolt Down Lid is designed for use with the Eco Drake 1.28 GPF bowl. The Eco Drake tank features TOTO's E-Max flush technology, featuring a 3'' wide flush valve. The Eco Drake tank comes equipped with insulated foam and left hand trip lever. The Eco Drake ST743E tank can be used on the following Drake bowls C743E, C744E, C744EG, C744EL or C744EF.10.
  • Vitreous china construction
  • Water Use: 1.28 GPF
  • E-Max flushing system
  • Left hand trip lever
  • Bolt down tank lid prevents access to the tank
  • Insulated tank to prevent condensation from cold water

Key Features & Innovations


The E-Max flushing system provides a consistent and powerful flush using a combination of a wide 3" valve and an extra-large siphon jet. The innovative system is quiet and simple and uses only 1.28 Gallons Per Flush. This amounts to a considerable water savings every day.

  • Large siphon jet
  • Powerful, quiet flush
  • Pilot-operated fill valve
  • Clean shutoff at any water pressure


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


Established in 1953 by the California Building Standards Law, the California Building Standards Commission (CBSC) is within the Department of General Services under the Government Operations Agency. CBSC members are appointed by the Governor and confirmed by the State Senate.

CBSC's mission is to produce sensible and usable state building standards and administrative regulations that implement or enforce those standards.

Specifically, CBSC:
  • Assists state agencies in producing high-quality amendments
  • Works to repeal unnecessary building regulations and see that ambiguous regulations are more clearly written
  • Assists various constituents and special interest groups in making their needs known to various code-writing departments
  • Administers a public appeal process
  • Educates the public about the state's building code, and helps them to understand and comply with it
  • Ensures Title 24 is published with minimal errors

L 19 7/8" x W 7 1/8"
Product Type Toilet Tanks
Finish/Color White
Style Modern/Contemporary
Material Vitreous China
Warranty 1 Year Limited Warranty
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