Labor Day Sale — Up to 25% OFF | Code LABORDAY
Labor Day Sale — Up to 25% OFF | Code LABORDAY
Skip to content
White toilet bowl on a white background

Toto Ultramax WASHLET+ Low Profile One-Piece Toilet - 1.28 GPF + S2

TOTO
SKU: MW6183346CEFG#01

FREE Shipping + No Sales Tax

$1,393.00
$853.00
Authorized TOTO National Dealer
Fast & Free Shipping On All Orders
Pay How You Want Credit Card, Shop Pay, PayPal, HSA/FSA with Truemed and more.
Hundreds of 5-Star Reviews Dedicated Customer Support
Questions? Talk to a Real Person.
(877) 420-3443 Message Us

Toto Ultramax® WASHLET®+ Low Profile One-Piece Toilet - 1.28 GPF + S2

  • Flush Rate: 1.28 GPF (4.8 LPF)
  • Toilet Type: One-Piece Elongated Toilet with WASHLET+ S2
  • 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 & Efficient Flushing

The UltraMax WASHLET+ S2 combines TOTO's advanced TORNADO FLUSH technology with a water-saving 1.28 GPF design. The powerful cyclonic rinse thoroughly cleans the bowl while using less water, delivering dependable performance and long-term efficiency for busy households.

White toilet with seat and cover on a white background

Everyday Bidet Comfort

Enjoy a more refreshing daily routine with warm water cleansing, adjustable spray settings, and a heated seat. The WASHLET S2 provides personalized comfort features that help create a cleaner and more enjoyable bathroom experience every day.

White toilet bowl on a white background

Cleaner by Design

Advanced hygiene technologies work continuously to help keep the toilet cleaner between manual cleanings. PREMIST helps prevent waste from sticking to the bowl, while EWATER+ automatically cleans the wand before and after each use for added peace of mind.

White toilet bowl with seat on a white background

Streamlined Style & Accessibility

The sleek one-piece construction creates a modern appearance while making exterior cleaning easier. Combined with a Universal Height seating position and concealed WASHLET+ connections, the UltraMax S2 delivers both comfort and a clean, built-in look for contemporary bathrooms.

TOTO UltraMax WASHLET+ Low Profile One-Piece Toilet – 1.28 GPF + S2

The TOTO UltraMax WASHLET+ S2 combines the dependable performance of the UltraMax one-piece toilet with the everyday comfort and hygiene benefits of the WASHLET S2 bidet seat. Featuring a sleek low-profile design, concealed WASHLET+ installation, and TOTO's powerful TORNADO FLUSH system, this integrated solution delivers exceptional cleanliness, water efficiency, and convenience in one elegant package.

Designed for homeowners seeking an elevated bathroom experience without unnecessary complexity, the UltraMax WASHLET+ S2 offers warm water cleansing, a heated seat, warm air drying, and advanced bowl-cleaning technologies. The seamless one-piece construction enhances visual appeal while simplifying routine maintenance and cleaning.

TOTO UltraMax WASHLET+ S2 Specifications and Features

  • One-piece elongated toilet with integrated WASHLET+ concealed connection system
  • High-efficiency TORNADO FLUSH system uses only 1.28 GPF (4.8 LPF)
  • CEFIONTECT ceramic glaze helps reduce waste buildup and staining
  • Dynamax TORNADO FLUSH technology delivers powerful and efficient bowl cleaning
  • Universal Height design provides enhanced comfort and ADA-compliant accessibility
  • PREMIST automatically mists the bowl before use to help prevent waste adhesion
  • EWATER+ automatically cleans the wand before and after each use
  • Warm water front and rear cleansing functions
  • Adjustable water temperature, pressure, and spray position settings
  • Oscillating spray function enhances cleansing coverage
  • Heated seat with adjustable temperature settings
  • Warm air dryer reduces the need for toilet paper
  • Automatic deodorizer helps keep the bathroom fresh
  • Multifunction side-arm control panel provides convenient access to features
  • CLEAN RESIN seat and wand materials help resist dirt and debris accumulation
  • Seamless seat design minimizes areas where grime can collect
  • SoftClose seat prevents slamming and reduces wear
  • Energy-saving mode helps reduce power consumption
  • WASHLET+ concealed installation hides hoses and power cords

Toto Ultramax WASHLET+ Low Profile One-Piece Toilet - 1.28 GPF + S2 Compatibility

The TOTO UltraMax WASHLET+ S2 is a one-piece elongated toilet with an integrated bidet seat. Confirm these four things before ordering:

  • Rough-in measurement: 12-inch standard. 10-inch and 14-inch rough-ins are not available for this model.
  • 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 integrated WASHLET+ bidet seat).
Toto toilet compatibility. Will it fit your space/

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 into the GFCI outlet.

Toto Ultramax® WASHLET®+ Low Profile One-Piece Toilet - 1.28 GPF + S2 Downloads

Frequently asked questions about the TOTO UltraMax + S2

Does the UltraMax WASHLET+ S2 require electricity?

Yes. A 120V GFCI-protected outlet is required to power the bidet seat's comfort and cleansing features.

What rough-in size does this toilet use?

The UltraMax WASHLET+ S2 is designed for a standard 12-inch rough-in installation.

Does the S2 include a heated seat?

Yes. The WASHLET S2 features a heated seat with adjustable temperature settings.

Does this model have warm water cleansing?

Yes. The S2 provides adjustable warm water front and rear cleansing functions.

Does the toilet include a dryer?

Yes. A built-in warm air dryer helps reduce the need for toilet paper.

TOTO UltraMax + S2 Reviews