
Description
TOTO Aquia IV WASHLET+ S5 One-Piece Toilet
Dual-flush efficiency, a seamless one-piece design, and TOTO’s advanced S5 comfort
The TOTO Aquia IV WASHLET+ S5 One-Piece Toilet combines a sleek, skirted Aquia IV toilet with the comfort and cleanliness of the S5 WASHLET. Its WASHLET+ design conceals the water supply and power connection for a cleaner installed look, while DYNAMAX TORNADO FLUSH, CEFIONTECT glaze, PREMIST, EWATER+ wand cleaning, and dual-flush efficiency work together to keep the bowl cleaner with less effort. Add warm-water cleansing, a heated seat, warm air dryer, deodorizer, night light, and personalized remote settings, and you get a modern toilet built for everyday comfort.
Seamless WASHLET+ Design
- WASHLET+ system conceals the WASHLET power cord and water supply hose for a cleaner installation
- One-piece toilet design creates a smooth, integrated look
- Completely skirted bowl helps reduce hard-to-clean curves and crevices
- Elongated front bowl for added comfort
- Universal Height design for a more comfortable seated position
- Chrome-plated push button included
Dual-Flush Power with a Cleaner Rinse
- DYNAMAX TORNADO FLUSH uses 360-degree cleaning power to help rinse the entire bowl
- Dual-flush operation lets you choose 1.28 GPF or 0.9 GPF
- CEFIONTECT ceramic glaze helps minimize waste from sticking to the ceramic surface
- Quiet bowl design helps reduce water-flow resistance during flushing
- WaterSense certified for efficient performance
S5 WASHLET Comfort, Customized to You
- Instantaneous warm-water cleansing for continuous 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 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
- Seamless seat design eliminates the gap where dirt commonly collects
Everyday Convenience
- SoftClose seat helps prevent slamming
- Night light illuminates the inside of the bowl for easier nighttime use
- Docking station makes the WASHLET easier to remove for cleaning and maintenance
- Auto energy saver mode helps reduce power use when the seat is inactive
Specs & Installation Notes
- Model / SKU: MW6463446CEMFGN#01
- Includes: Aquia IV one-piece elongated toilet and WASHLET+ S5
- Toilet model: CST646CEMFGNAT40
- WASHLET model: SW3446
- Installation: Floor mount, one-piece toilet
- Bowl shape: Elongated
- Height: Universal Height
- Overall dimensions: 28 5/16" L x 15 3/16" W x 28 3/8" H
- Seat height: 17 5/8"
- Rough-in: 12" rough-in included; 10" and 14" Unifit rough-in options available separately
- Water use: Dual flush 1.28 / 0.9 GPF
- Flush system: DYNAMAX TORNADO FLUSH
- Water surface: 7" x 5"
- Trap diameter: 2 1/4"
- Trap seal: 2 1/8"
- Material: Vitreous china
- Finish: Cotton White
- Shipping dimensions: Toilet: 29 1/2" L x 17 5/8" W x 28 1/8" H; WASHLET: 24 3/8" L x 17 9/16" W x 7 7/16" H
- Shipping weight: Toilet: 112 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
- 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.
Toto MW6463446CEMFGN#01 Specifications
📄 Download Full Spec Sheet (PDF)Dimensions and Features
| 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 | 1.28 GPF / 0.9 GPF |
| Height | 28 3/8" |
| Installation | Floor Mount |
| Length | 27 9/16" |
| Rough In | 12" |
| Seat Height | 17 5/8" |
| Width | 15 3/16" |