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  • Toto Nexus 1G Washlet+ S5 One-Piece Toilet

Toto

Toto Nexus 1G Washlet+ S5 One-Piece Toilet

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SKU: MW6423446CUFG#01

$1,671$2,571 Save $900
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Heated Seat

Adjustable seat warming keeps you comfortable in every season. Pick the temperature that suits you, and many models add an energy-saving mode that warms the seat only when it's needed.

Deodorizer

A built-in fan and filter draw air from the bowl and neutralize odors while the seat is in use.

Instant Warm Water

Water is heated as it flows, so it's warm from the first second and never runs out, however long you use it.

Warm Air Dryer

Adjustable warm air dries you after washing, so you need little or no toilet paper.

Night Light

A soft glow lights the bowl at night, so you can find your way without switching on bright lights.

Features

TOTO Nexus 1G WASHLET+ S5 One-Piece Toilet

One-gallon flushing, seamless WASHLET+ design, and advanced S5 comfort

The TOTO Nexus 1G WASHLET+ S5 One-Piece Toilet pairs the refined, skirted Nexus toilet with the comfort and cleanliness of the S5 WASHLET. Its WASHLET+ design conceals the water supply and power cord for a clean, built-in look, while TOTO’s 1.0 GPF TORNADO FLUSH, CEFIONTECT glaze, PREMIST, EWATER+ wand cleaning, heated seat, warm air dryer, deodorizer, and night light work together to make every visit feel cleaner, more comfortable, and easier to maintain.

Ultra-Efficient 1.0 GPF Performance

  • Ultra high-efficiency TORNADO FLUSH system uses just 1.0 gallon per flush
  • Powerful circular rinse helps clean the bowl efficiently with every flush
  • CEFIONTECT ceramic glaze helps minimize waste from sticking to the bowl surface
  • Quiet flush performance for a more refined bathroom experience
  • EPA WaterSense certified for water-saving performance

Clean, Seamless WASHLET+ Integration

  • WASHLET+ system conceals the WASHLET power cord and water supply hose
  • One-piece toilet design creates a smoother, more integrated look
  • Completely skirted bowl reduces hard-to-clean curves and crevices
  • Elongated front bowl and Universal Height design for added comfort
  • Polished chrome trip lever included

S5 Washing & Drying Comfort

  • Instantaneous warm-water cleansing for consistent comfort
  • Front, rear, and rear-soft wash options
  • Adjustable spray position, water temperature, and water pressure
  • Oscillating and pulsating spray settings for a more complete cleanse
  • Heated SoftClose seat with adjustable temperature
  • Warm air dryer with adjustable temperature
  • Automatic air deodorizer helps keep the bathroom feeling fresher
  • Multifunction remote control with personalized memory settings for up to 4 users

Hygiene Features Before & After Every Use

  • PREMIST automatically mists the bowl before each use to help reduce waste adhesion
  • EWATER+ automatically cleans the wand after every use
  • Self-cleaning wand rinses itself inside and out before and after every use
  • CLEAN RESIN helps keep the wand and seat cleaner and easier to maintain
  • Night light illuminates the inside of the bowl for easier nighttime use

Everyday Convenience

  • SoftClose seat helps prevent slamming
  • Docking station makes the WASHLET easier to remove for cleaning and maintenance
  • Remote control keeps wash, dry, seat temperature, and user settings easy to access
  • Low-profile S5 WASHLET design pairs cleanly with the Nexus one-piece toilet

Specs & Installation Notes

  • Model / SKU: MW6423446CUFG#01
  • Includes: Nexus 1G one-piece elongated toilet with CEFIONTECT and WASHLET+ S5
  • Toilet model: CST642CUFGAT40
  • WASHLET model: SW3446
  • Installation: Floor mount, one-piece toilet
  • Bowl shape: Elongated
  • Height: Universal Height
  • Overall dimensions: 29 3/8" L x 17 1/2" W x 27" H
  • Seat height: 17 9/16"
  • Rough-in: 12" Unifit rough-in; optional 14" Unifit rough-in available separately
  • Water use: 1.0 GPF
  • Flush system: TORNADO FLUSH
  • Trap diameter: 2 1/8"
  • Trap seal: 2 1/8"
  • Water surface: 6 5/8" x 9 1/8"
  • Material: Vitreous china
  • Finish: Cotton White
  • Shipping dimensions: Toilet: 29 1/2" L x 18 1/2" W x 27 1/2" H2 x 21 3/4" H1; WASHLET: 24 3/8" L x 17 9/16" W x 7 7/16" H
  • Shipping weight: Toilet: 110 lbs; WASHLET: 15.4 lbs
  • Certifications / compliance: IAPMO/cUPC, EPA WaterSense, State of Massachusetts, City of Los Angeles, UPC, IPC, NSPC, NPC Canada, California AB715, California Green Building Code, and City of Los Angeles Water Efficiency Ordinance
  • ADA note: ADA compliant for residential use when installed with the trip lever located on the approach side
  • Warranty: One-year limited warranty
  • Electrical note: Requires a 120V, 15A GFCI outlet for the WASHLET; power cord is approximately 4 feet long with a 3-prong plug
  • Installation note: For back-to-back toilet installations, TOTO recommends a nationally listed double sanitary tee-wye in vertical waste stacks.

Dimensions + Features

Download Spec Sheet (PDF)
Bowl Shape Elongated
Certifications ADA, CalGreen, WaterSense
Electric Yes
Features Heated Seat, Deodorizer, Instant Warm Water, Soft Close, Warm Air Dryer, Night Light, Remote Included
Gallons Per Flush 1.0 GPF
Height 27"
Installation Floor Mount
Length 28 9/16"
Rough In 12"
Seat Height 17 9/16"
Width 16 13/16"

Installation Notes & Certifications

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