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Toto Nexus 1G WASHLET+ S2 Two-Piece Toilet - 1.0 GPF - White toilet with a seat cover on a white background

Toto Nexus 1G WASHLET+ S2 Two-Piece Toilet - 1.0 GPF

TOTO
SKU: MW4423346CUFG#01

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$1,992.00
$1,273.00
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Toto Nexus 1G WASHLET+ S2 Two-Piece Toilet - 1.0 GPF

  • Flush Rate: 1.0 GPF (3.8 LPF)
  • Toilet Type: Two-Piece Elongated Toilet with WASHLET+ S2
  • Height: Universal Height (ADA Compliant)
  • Flush System: TORNADO FLUSH
  • Bowl Finish: CEFIONTECT Ceramic Glaze
Toto Nexus 1G WASHLET+ S2 Two-Piece Toilet - 1.0 GPF - top view
Toto Nexus 1G WASHLET+ S2 Two-Piece Toilet - 1.0 GPF - Close-up of a toilet bowl with cleaning solution, featuring the 'Tornado Flush' text.

Exceptional Water Savings

The Nexus 1G WASHLET+ S2 is engineered for homeowners who want to reduce water consumption without sacrificing performance. Using just 1.0 gallon per flush, this ultra-high-efficiency toilet helps conserve water while still delivering the powerful cleaning action of TOTO's TORNADO FLUSH system.

Toto Nexus 1G WASHLET+ S2 Two-Piece Toilet - 1.0 GPF - Washlet toilet seat with features highlighted on a blue background

Everyday Bidet Comfort

Enjoy a more comfortable and refreshing bathroom experience with the WASHLET S2's warm water cleansing, heated seat, and warm air dryer. Adjustable settings allow users to personalize their experience while promoting improved hygiene and daily comfort.

Toto Nexus 1G WASHLET+ S2 Two-Piece Toilet - 1.0 GPF - Washlet+ toilet technology display with TOTO branding on a dark background

Advanced Hygiene Technologies

The Nexus 1G WASHLET+ S2 incorporates TOTO's innovative hygiene features to help keep the toilet cleaner between manual cleanings. PREMIST helps prevent waste from adhering to the bowl, while EWATER+ automatically cleans the wand before and after each use for added peace of mind.

Toto Nexus 1G WASHLET+ S2 Two-Piece Toilet - 1.0 GPF - White toilet with washlet+ branding on a dark blue background

Modern Design with Easy Maintenance

The fully skirted bowl and concealed WASHLET+ connections create a clean, contemporary appearance that complements modern bathrooms. Smooth exterior surfaces eliminate hard-to-reach areas, making routine cleaning easier while maintaining a polished, built-in look.

TOTO Nexus® 1G WASHLET®+ S2 Two-Piece Toilet – 1.0 GPF

The TOTO Nexus 1G WASHLET+ S2 combines ultra-high water efficiency with modern bidet comfort in a sleek, skirted two-piece design. Engineered to use just 1.0 gallon per flush, this innovative toilet delivers outstanding performance while helping reduce household water consumption. Paired with the WASHLET S2 bidet seat, it provides a cleaner, more comfortable bathroom experience through advanced cleansing and hygiene technologies.

Featuring TOTO's concealed WASHLET+ integration, the Nexus 1G WASHLET+ S2 maintains a clean, streamlined appearance by hiding water supply lines and power cords. Its fully skirted bowl and contemporary styling make it an excellent choice for modern bathrooms seeking both performance and sophistication.

TOTO Nexus 1G WASHLET+ S2 Specifications and Features

  • Two-piece elongated toilet with integrated WASHLET+ concealed connection system
  • Ultra-high-efficiency flush uses only 1.0 GPF (3.8 LPF)
  • TORNADO FLUSH technology provides powerful and effective bowl cleaning
  • CEFIONTECT ceramic glaze helps prevent waste and debris from adhering to bowl surfaces
  • Fully skirted bowl design delivers a sleek, modern appearance
  • Universal Height seating provides enhanced comfort and ADA-compliant accessibility
  • PREMIST automatically wets the bowl before use to help reduce waste buildup
  • 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 improves cleansing coverage
  • Heated seat with adjustable temperature controls
  • Warm air dryer reduces reliance on toilet paper
  • Automatic deodorizer helps neutralize odors during use
  • Side-arm control panel provides convenient access to bidet functions
  • CLEAN RESIN seat and wand materials help resist dirt and buildup
  • Seamless seat design minimizes crevices where grime can collect
  • SoftClose seat closes gently and quietly
  • Energy-saving mode helps reduce electricity consumption
  • WASHLET+ concealed installation hides hoses and power cords
  • Skirted trapway simplifies exterior cleaning and maintenance

Toto Nexus 1G WASHLET+ S2 Two-Piece Toilet - 1.0 GPF Compatibility

The Nexus 1G WASHLET+ S2 is a complete toilet replacement. Confirm these measurements before ordering.

  • Rough-in measurement: 12-inch standard, with a 14-inch option available. A 10-inch rough-in is not available for this model.
  • Bowl shape: Elongated bowl only. This unit is not compatible with round toilet flanges.
  • Floor clearance: At least 21 inches of clear space in front of the toilet for access and use.
  • Electrical outlet: GFCI 120V outlet required within 3 feet of the toilet for WASHLET+ power and heated functions.
  • Drain configuration: Standard P-trap or S-trap drain. Confirm flange is secure and level before installation.

Installation steps

  1. Prep the area. Shut off the water, flush to empty the tank, and remove the old toilet completely.
  2. Set the wax ring. Place a new wax ring on the flange, ensuring the flange is level and clean.
  3. Seat the new toilet. Lower the Nexus onto the flange, align the bolt holes, and tighten bolts evenly in a cross pattern.
  4. Connect water supply. Attach the fill valve hose and WASHLET+ concealed water supply line; turn water back on and check for leaks.
  5. Power and test. Plug the WASHLET+ into the nearby GFCI outlet and test all wash and dry functions.

Toto Nexus 1G WASHLET+ S2 Two-Piece Toilet - 1.0 GPF Downloads

Frequently asked questions about the TOTO Nexus 1G S2 MW4423346CUFG#01

What does the "1G" designation mean?

The "1G" indicates that the toilet uses just 1.0 gallon per flush, making it one of TOTO's most water-efficient toilet systems.

Does the Nexus 1G WASHLET+ S2 require electricity?

Yes. A nearby 120V GFCI-protected outlet is required to power the WASHLET's heated seat, warm water cleansing, dryer, and deodorizer.

What rough-in size is required for installation?

The Nexus 1G WASHLET+ S2 is designed for a standard 12-inch rough-in.

Does the WASHLET S2 include a heated seat and warm air dryer?

Yes. The S2 features both a heated seat and adjustable warm air dryer for enhanced comfort.

Are the hoses and power cords visible after installation?

No. The WASHLET+ system conceals water and electrical connections to provide a cleaner, more integrated appearance.

TOTO Nexus 1G S2 MW4423346CUFG#01 Reviews