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

  • $295.00 Save $126

Free Shipping
on All Orders!

Free Shipping on All Orders!
No Sales Tax Outside of PA!


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

TOTO