TOTO ST403U#51 Toilet Tank Specifications

  • Color/Finish: Ebony
  • Product Type: Tanks
  • Warranty: Manufacturer One Year Limited
  • Material: Vitreous China
  • Item Length (in.): 7.875
  • Item Width (in.): 17.75
  • Item Height (in.): 14.625
  • Item Weight (lb.): 31.5
  • WaterSense Certified: Yes
  • CALGreen: Yes
  • Battery Included: No
  • Water Consumption (GPF): 1.0
  • Flush Lever Location: Left
  • Flush Valve Size (in.): 3

TOTO ST403U#51 Toilet Tank Support Documentation


TOTO ST403U#51 Promenade II 1G 1.0 GPF Toilet Tank, Ebony Black

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The TOTO Promenade II 1G 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. The Promenade II meets the standards for EPA WaterSense, and California's CEC and CALGreen requirements. Additional items needed for installation and use must be purchased separately: toilet bowl, wax ring, toilet mounting bolts, water supply lines, and toilet seat. The Promenade II ST403U tank can be used on the following bowls: C404CUFG and C404CUF.

TOTO ST403U#51 Toilet Tank Features and Overview

  • Promenade II toilet tank for use with Promenade II toilet bowl
  • 1G flushing system, creates a powerful flush with only 1.0 GPF
  • Decorative left-hand chrome trip lever
  • WaterSense, CALGreen, and CEC compliant
  • Included parts: tank to bowl gasket, tank to bowl hardware, and toilet bolt caps
  • Purchased separately: Promenade II bowl, wax ring, toilet mounting bolts, water supply lines, and toilet seat
  • Compatible with the following bowls: C404CUFG and C404CUF

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