Introduction
This manual provides essential information for the installation, operation, and maintenance of your TOTO WASHLET+ Legato One-Piece Elongated Toilet with S7A Contemporary Bidet Seat. Please read these instructions thoroughly before installation and use to ensure proper function and longevity of the product.
Product Overview
The TOTO WASHLET+ Legato system integrates a one-piece toilet with an S7A bidet seat, designed for a seamless appearance by concealing the bidet seat's power cord and water supply hose. Key features include:
- WASHLET+ Integration: Concealed power cord and water supply for a clean aesthetic.
- Auto Flush: Hands-free automatic flushing after use.
- EWATER+: Electrolyzed water mists the wand and toilet bowl for enhanced hygiene.
- PREMIST: Wets the bowl surface before use to prevent waste adhesion.
- TORNADO FLUSH: Powerful, hole-free rim design with dual nozzles for efficient bowl cleaning.
- CEFIONTECT: Ceramic glaze minimizes waste sticking to the bowl surface.
- S7A Bidet Seat Features: 5 spray settings, auto open/close lid, heated seat, nightlight, instantaneous water heating, and a luxury illuminated touch button remote with 4-user memory.

Image: The TOTO WASHLET+ Legato One-Piece Elongated Toilet with the S7A Bidet Seat and its remote control. The toilet is white with a sleek, skirted design, and the bidet seat is integrated for a clean look.
Setup and Installation
Professional installation is recommended for this product. Ensure all local plumbing and electrical codes are followed.
Pre-Installation Considerations:
- Rough-in: The Legato toilet is designed for a 12-inch rough-in. Adapters for 10-inch or 14-inch rough-ins are available for separate purchase if needed.
- Compatibility: This system is compatible only with T40 WASHLET+ toilet bowl components.
- Additional Items (Not Included):
- Wax ring
- Toilet mounting bolts
- Toilet water supply lines
Installation Steps (Summary):
- Prepare the installation area, ensuring the water supply is turned off.
- Install the toilet bowl using the wax ring and mounting bolts.
- Connect the water supply line to the toilet.
- Install the WASHLET S7A bidet seat onto the toilet bowl, ensuring proper alignment for the concealed power cord and water supply hose.
- Connect the WASHLET's power cord to a grounded electrical outlet.
- Turn on the water supply and check for leaks.
- Test all functions of the WASHLET S7A and Auto Flush system.
Refer to the detailed installation guide provided with your product for complete step-by-step instructions and safety warnings.
Operating Instructions
The WASHLET S7A is operated via an illuminated touch button remote control. Familiarize yourself with the remote's layout and functions.
Key Functions:
- Power On/Off: Activates or deactivates the WASHLET functions.
- Spray Settings: Select from 5 different spray settings for personalized cleansing. Adjust water pressure and temperature as desired.
- Heated Seat: Adjust the seat temperature to your preference.
- Auto Open/Close Lid: The lid automatically opens when approached and closes after use. This feature can typically be enabled or disabled via the remote.
- Nightlight: Provides subtle illumination for nighttime use.
- Auto Flush: The toilet automatically flushes after use. No manual interaction is required.
- User Memory: The remote allows for 4-user memory storage to save preferred settings for spray, temperature, and pressure. Consult the remote control guide for programming instructions.
For detailed instructions on each function and remote control programming, please refer to the WASHLET S7A user guide.
Maintenance
Regular maintenance ensures optimal performance and hygiene of your TOTO WASHLET+ Legato system.
Cleaning the Toilet Bowl:
- CEFIONTECT Glaze: The ceramic glaze minimizes waste adhesion, making cleaning easier. Use a soft cloth and mild, non-abrasive cleaners.
- TORNADO FLUSH: The powerful flush system helps keep the bowl clean with each use.
- PREMIST: The pre-misting function helps prevent waste from sticking.
Cleaning the WASHLET S7A Bidet Seat:
- EWATER+: The EWATER+ system mists the wand and toilet bowl, reducing the need for harsh cleaning chemicals.
- Wand Cleaning: The self-cleaning wand extends for easy access. Use a soft cloth and mild soap for external cleaning. Avoid harsh chemicals.
- Exterior Cleaning: Wipe down the exterior surfaces of the bidet seat with a soft, damp cloth and mild detergent.
Always disconnect power before performing any deep cleaning or maintenance. Avoid using abrasive cleaners, brushes, or chemical solvents that could damage the surfaces or internal components.
Troubleshooting
If you encounter issues with your TOTO WASHLET+ Legato system, review the following general troubleshooting tips. For specific error codes or complex problems, consult the full product manual or contact TOTO customer support.
- No Power/Functions Not Working:
- Check if the power cord is securely plugged into a functional electrical outlet.
- Verify that the circuit breaker has not tripped.
- Ensure the WASHLET is powered on via the remote control.
- Water Leakage:
- Turn off the water supply immediately.
- Check all water connections for tightness. Do not overtighten.
- Inspect the water supply lines for damage.
- Auto Flush Not Activating:
- Ensure the Auto Flush feature is enabled in the settings (if applicable).
- Check for any obstructions around the sensor.
- Bidet Spray Issues (No water, weak spray, incorrect temperature):
- Verify the water supply valve is fully open.
- Check water pressure and temperature settings on the remote.
- Ensure the wand is clean and free of blockages.
If problems persist, contact TOTO customer support for assistance.
Specifications
| Feature | Detail |
|---|---|
| Model Number | MW6244736CEFGA#01 |
| Brand | TOTO |
| Color | Cotton White |
| Product Dimensions (D x W x H) | 28.44" x 17.31" x 27.94" |
| Material | Ceramic, Plastic |
| Item Weight | 130 Pounds |
| Installation Type | Floor Mounted |
| Shape | Oval |
| Flush Volume | 1.28 Gallons Per Flush (GPF) |
| UPC | 739268445529 |
| Included Components | Toilet, Electronic Bidet Toilet Seat |
Warranty Information
This product is covered by TOTO's manufacturer warranty. Specific warranty terms and conditions, including duration and coverage details, are provided with your product documentation. Please retain your proof of purchase for warranty claims.
Extended protection plans may be available for purchase separately. Refer to your retailer for details on additional protection options.
Customer Support
For technical assistance, parts, or warranty inquiries, please contact TOTO customer support. Visit the official TOTO website for the most current contact information and support resources.
TOTO Official Website: www.totousa.com





