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Toto Ultramax WASHLET+ Low Profile One-Piece Toilet - 1.28 GPF + S5

by TOTO
SKU MW6183446CEFG#01
$1,592.00
$1,115.00
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Toto Ultramax® WASHLET®+ Low Profile One-Piece Toilet - 1.28 GPF + S5

  • Flush Rate: 1.28 GPF (4.8 LPF)
  • Toilet Type: One-Piece Elongated Toilet with WASHLET+ S5
  • Height: Universal Height (ADA Compliant)
  • Flush System: Dynamax TORNADO FLUSH
  • Surface Finish: CEFIONTECT Ceramic Glaze
White toilet bowl on a white background
White toilet on a white background

Powerful Flushing, Exceptional Efficiency

The UltraMax WASHLET+ S5 pairs TOTO's advanced TORNADO FLUSH technology with a highly efficient 1.28 GPF design to deliver reliable bowl cleaning with every flush. The powerful cyclonic rinse helps keep the bowl cleaner while reducing water consumption, making it an ideal choice for homeowners seeking both performance and sustainability.

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Personalized Comfort Every Day

Experience a higher level of daily comfort with the WASHLET S5's customizable cleansing features. Continuous warm water washing, a heated seat, warm air dryer, and adjustable settings allow users to create a personalized experience that enhances comfort and convenience throughout the year.

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Advanced Hygiene Technology

The UltraMax WASHLET+ S5 incorporates TOTO's signature hygiene innovations to help maintain a cleaner bathroom environment. PREMIST helps reduce waste adhesion before use, while EWATER+ automatically cleans the wand before and after every cycle. Combined with the CEFIONTECT ceramic glaze, these technologies help minimize manual cleaning and improve long-term cleanliness.

White toilet bowl on a white background

Sleek Design with Hidden Connections

The streamlined one-piece construction creates a modern, easy-to-clean profile that complements virtually any bathroom style. TOTO's WASHLET+ integration conceals water supply lines and power cords within the toilet body, delivering a clean, built-in appearance without exposed components. The Universal Height design further enhances comfort and accessibility for a wide range of users.

TOTO UltraMax WASHLET+ Low Profile One-Piece Toilet – 1.28 GPF + S5

The TOTO UltraMax WASHLET+ S5 combines the proven reliability of the UltraMax one-piece toilet with the advanced comfort and hygiene features of the WASHLET S5 bidet seat. Featuring a sleek low-profile design, concealed WASHLET+ integration, and TOTO's powerful TORNADO FLUSH technology, this premium toilet system delivers exceptional cleanliness, water efficiency, and everyday luxury.

Designed for modern bathrooms, the UltraMax WASHLET+ S5 provides personalized warm water cleansing, a heated seat, warm air drying, and advanced self-cleaning technologies. The one-piece construction creates a streamlined appearance while reducing areas where dirt and grime can accumulate, making maintenance easier and enhancing long-term durability.

TOTO UltraMax WASHLET+ S5 Specifications and Features

  • One-piece elongated toilet with WASHLET+ concealed connection system
  • High-efficiency TORNADO FLUSH system uses only 1.28 GPF (4.8 LPF)
  • CEFIONTECT ceramic glaze minimizes waste buildup and staining
  • Dynamax TORNADO FLUSH technology delivers powerful and efficient bowl cleaning
  • Universal Height seating provides ADA-compliant comfort and accessibility
  • PREMIST automatically wets the bowl before use to help prevent waste adhesion
  • EWATER+ automatically cleans the wand before and after each use
  • Instantaneous water heater provides continuous warm water cleansing
  • Adjustable front and rear warm water washing functions
  • Oscillating and pulsating spray modes for enhanced cleansing comfort
  • Adjustable water temperature, pressure, and spray position settings
  • Warm air dryer reduces toilet paper usage
  • Automatic air deodorizer helps eliminate odors during use
  • Heated seat with adjustable temperature settings
  • Multifunction remote control with programmable user memory settings
  • Built-in night light improves visibility during nighttime use
  • CLEAN RESIN seat and wand materials help resist dirt and buildup
  • Seamless seat design minimizes hidden areas where grime can collect
  • SoftClose seat closes quietly and gently
  • Energy-saving mode helps reduce electricity consumption
  • WASHLET+ concealed installation hides hoses and power cords

Toto Ultramax WASHLET+ Low Profile One-Piece Toilet - 1.28 GPF + S5 Compatibility

The TOTO UltraMax WASHLET+ S5 is a one-piece elongated smart toilet with integrated bidet seat. Confirm these four things before ordering:

  • Rough-in measurement: 12-inch standard (10"/14" supported with TSU01W adapter, sold separately).
  • Floor clearance: 21 inches in front of the bowl, 15 inches on each side.
  • Water supply: Standard ½-inch connection at the base of the toilet.
  • Electrical outlet: GFCI 120V within 3 feet (powers the integrated WASHLET+ S5 bidet seat).
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Installation steps

  1. Prep. Shut off the water supply, flush to empty the tank, then disconnect the supply line.
  2. Remove the old toilet. Unbolt from the floor and scrape the old wax ring from the flange.
  3. Set the wax ring. Place a new wax ring on the flange, centered over the drain.
  4. Seat the new toilet. Lower onto the flange, press down firmly, and hand-tighten the bolts evenly.
  5. Connect and test. Reconnect the supply line, restore water, and plug the WASHLET+ S5 into the GFCI outlet.

Toto Ultramax® WASHLET®+ Low Profile One-Piece Toilet - 1.28 GPF + S5 Downloads

Frequently Asked Questions

  • Yes. The WASHLET S5 uses an instantaneous water heater to provide continuous warm water during use.

  • This model is designed for a standard 12-inch rough-in configuration.

  • Yes. The WASHLET S5 includes a heated seat with adjustable temperature settings.

  • No. The WASHLET+ design conceals water and electrical connections for a cleaner, built-in appearance.

  • No. Automatic flushing is available on the S7A model, but not on the WASHLET S5.