1. Introduction
This manual provides detailed instructions for the proper use and maintenance of your TOTO THU9018 Remote Control Unit. Please read this manual thoroughly before installation and operation to ensure correct usage and to maximize the product's lifespan and performance.
The TOTO THU9018 is designed as a replacement remote control unit for compatible TOTO Neorest toilet systems, offering reliable control over various cleansing and drying functions.

Image 1: TOTO THU9018 Remote Control Unit. This image displays the remote control unit, typically used with TOTO Neorest toilet systems.
2. Safety Information
Always follow basic safety precautions when using electrical appliances to reduce the risk of fire, electric shock, and injury to persons.
- Do not immerse the remote control unit in water or other liquids.
- Keep the unit away from direct sunlight and heat sources.
- Do not attempt to disassemble or repair the unit yourself. Contact qualified service personnel for assistance.
- Ensure hands are dry before handling the remote control unit.
3. Setup and Installation
The TOTO THU9018 Remote Control Unit is typically a replacement part for existing TOTO Neorest systems. Installation usually involves mounting the unit and ensuring proper communication with the toilet system.
3.1. Mounting the Remote Control Unit
- Identify a suitable location on the wall near the toilet system, ensuring it is within easy reach and line of sight if required for infrared communication.
- If replacing an old unit, carefully remove the old mounting bracket and clean the wall surface.
- Secure the new mounting bracket (if included with the unit) to the wall using appropriate screws and anchors. Ensure the bracket is level.
- Slide the TOTO THU9018 Remote Control Unit onto the mounted bracket until it clicks securely into place.
3.2. Initial Pairing (If Applicable)
Some TOTO Neorest models may require initial pairing or synchronization with a new remote control unit. Refer to your specific TOTO Neorest toilet system's main instruction manual for detailed pairing procedures. Generally, this involves:
- Ensuring the toilet system is powered on.
- Pressing a specific button sequence on the remote and/or the toilet unit itself.
- Confirming successful pairing via an indicator light or display message.
Note: The THU9018 is a replacement unit. In many cases, it may function immediately upon installation without complex pairing if the original unit was simply swapped.
4. Operating Instructions
The TOTO THU9018 Remote Control Unit provides intuitive control over your TOTO Neorest toilet's functions. Familiarize yourself with the buttons and their corresponding actions.
4.1. Button Functions
- STOP: Halts any active cleansing or drying function.
- REAR CLEANSING: Initiates posterior wash.
- REAR CLEANSING (SOFT): Initiates a gentler posterior wash.
- FRONT CLEANSING: Initiates feminine wash.
- DRYER: Activates the warm air dryer.
- OSCILLATING: Moves the wand back and forth during cleansing for a wider wash area.
- PULSATING: Provides a pulsating water stream for a massage effect during cleansing.
- RINSE CYCLE: Initiates a rinse cycle (specific function may vary by toilet model).
- FRONT/BACK Arrows: Adjust the wand position forward or backward during cleansing.
- UP/DOWN Arrows (next to display): Navigate menu options or adjust settings such as water temperature, water pressure, or dryer temperature.
Note: Specific functions and their availability may vary depending on the TOTO Neorest toilet model you own. Refer to your toilet system's manual for detailed function descriptions.
5. Maintenance and Care
Proper maintenance ensures the longevity and optimal performance of your remote control unit.
5.1. Cleaning the Unit
- Wipe the surface of the remote control unit with a soft, damp cloth.
- Use a mild, non-abrasive cleaner if necessary. Avoid harsh chemicals, solvents, or abrasive pads, as these can damage the finish and buttons.
- Ensure no liquid enters the unit through button gaps or seams.
- Dry the unit thoroughly with a soft, dry cloth after cleaning.
5.2. Battery Replacement (If Applicable)
While the product specifications indicate "Batteries Required? No", some remote units may have internal rechargeable batteries or require specific power sources. If your unit requires battery replacement, refer to your toilet system's manual or contact TOTO customer support for guidance on the correct battery type and replacement procedure.
6. Troubleshooting
If you experience issues with your TOTO THU9018 Remote Control Unit, consult the following common troubleshooting steps.
| Problem | Possible Cause | Solution |
|---|---|---|
| Remote not responding |
|
|
| Display is blank or dim |
|
|
| Buttons are sticky or unresponsive |
|
|
If the problem persists after attempting these solutions, please contact TOTO customer support for further assistance.
7. Specifications
| Feature | Detail |
|---|---|
| Model Number | THU9018 |
| Manufacturer | TOTO |
| Item Weight | 1.6 ounces |
| Product Dimensions | 1 x 8 x 5.25 inches |
| Material | Plastic |
| Color | White |
| Style | Neorest |
| Voltage | 110 Volts (Note: This might refer to the toilet system's voltage, not the remote itself if it's battery-powered or wirelessly charged.) |
| Special Features | Ergonomic |
| Batteries Included? | No |
| Batteries Required? | No |
Note on Battery Information: The specifications indicate "Batteries Included? No" and "Batteries Required? No". This suggests the unit may be powered directly by the toilet system or uses a non-standard power source not typically referred to as 'batteries' in this context. Please refer to your specific TOTO Neorest toilet system's manual for power requirements of its remote control.
8. Warranty Information
For warranty information regarding the TOTO THU9018 Remote Control Unit, please contact the manufacturer directly. Details can typically be found on the official TOTO website or by contacting their customer service department.
9. Customer Support
If you have any questions, require technical assistance, or need to report an issue that cannot be resolved using the troubleshooting guide, please contact TOTO customer support.
Visit the official TOTO website for contact information and additional resources.