1. Introdução
This manual provides essential information for the installation, operation, and maintenance of your TOTO WASHLET+ Aquia IV One-Piece Elongated Dual Flush Toilet with Auto Flush S7 Bidet Seat. Please read these instructions thoroughly before beginning installation or use to ensure proper function and longevity of the product. Keep this manual for future reference.

Figure 1: TOTO WASHLET+ Aquia IV One-Piece Elongated Dual Flush Toilet with Auto Flush S7 Bidet Seat.
2. Principais características
The TOTO WASHLET+ Aquia IV system integrates advanced technologies for enhanced hygiene and comfort:
- WASHLET+ Bidet Seat: Seamlessly designed to conceal the WASHLET power cord and water supply hose for a clean aesthetic.
- Descarga automática: Provides hands-free automatic flushing after each use, eliminating the need to touch buttons or handles.
- EWATER+: Technologically advanced system that mists the wand and toilet bowl with electrolyzed water, reducing the need for harsh cleaning chemicals.
- PREMISSA: Wets the surface of the toilet bowl before use, aiding in the removal of waste and promoting a cleaner bowl.
- DYNAMAX TORNADO FLUSH: Utilizes 360-degree cleaning power to reach every part of the bowl, ensuring efficient and quiet flushing.
- CEFIONTECT: A ceramic glaze that minimizes waste from sticking to ceramic surfaces, contributing to easier cleaning.
- Sistema de descarga dupla: Offers a choice between a 0.9 GPF (gallons per flush) rinse for lighter use and a 1.28 GPF for tougher jobs, promoting water conservation.
- Assento aquecido: Provides comfort during use.
- 5 configurações de pulverização: Customizable cleansing options.
- Aquecimento instantâneo de água: Ensures continuous warm water for cleansing.
- Altura universal: Designed for a comfortable seating position for a wide range of users.
- Skirted Design: Conceals the trapway, enhancing the toilet's aesthetic and simplifying cleaning.
3. Configuração e instalação
Installation of this toilet and bidet seat system requires plumbing and electrical knowledge. It is highly recommended to consult a qualified professional for installation to ensure proper function and compliance with local codes.
3.1 Lista de verificação de pré-instalação
- Ensure the toilet is compatible with a 12-inch rough-in. Adapters for 10-inch or 14-inch rough-ins are sold separately.
- Verify all necessary components are present: toilet, electronic bidet toilet seat.
- Acquire additional items not included: wax ring, toilet mounting bolts, and toilet water supply lines.
- Confirm availability of a grounded electrical outlet near the toilet for the WASHLET+ bidet seat.
3.2 Etapas gerais de instalação (Resumo)
- Prepare a área: Turn off water supply and remove the old toilet if applicable. Clean the flange area.
- Install Mounting Bolts: Secure the toilet mounting bolts to the floor flange.
- Place Wax Ring: Position a new wax ring around the toilet horn.
- Prepare o vaso sanitário: Carefully lower the toilet onto the mounting bolts and wax ring. Press down firmly and evenly.
- Proteja o banheiro: Tighten the nuts onto the mounting bolts, alternating sides to ensure even pressure. Do not overtighten.
- Conectar o abastecimento de água: Attach the water supply line to the toilet's fill valve.
- Install WASHLET+ Bidet Seat: Follow the specific instructions provided with the WASHLET+ S7 for mounting and connecting the power cord and water supply hose, which are designed to be concealed.
- Connect Auto Flush Kit: Install the auto flush kit according to its separate instructions.
- Teste de vazamentos: Turn on the water supply and check for any leaks. Flush the toilet several times.
For detailed, step-by-step installation instructions, refer to the comprehensive installation guide included with your product packaging.
4. Instruções de operação
The WASHLET+ S7 Bidet Seat is operated by an illuminated touch button remote control. Familiarize yourself with the remote's layout and functions.
4.1 Operação básica
- Ligar/desligar: Use the designated button on the remote to power the WASHLET+ on or off.
- Assento aquecido: Adjust the seat temperature using the controls on the remote.
- Funções de limpeza:
- Select desired spray setting (e.g., Rear, Front, Soft).
- Adjust water pressure and temperature to your preference.
- Use the oscillation or pulsation functions for enhanced cleansing.
- Função de secagem: After cleansing, activate the warm air dryer and adjust temperature as needed.
- Descarga automática: The system is designed to automatically flush after use. If manual flush is desired, use the chrome center-mounted push button on the tank.
- Press for 0.9 GPF (light flush).
- Press and hold for 1.28 GPF (full flush).
Memória do usuário 4.2
The remote control features 4-user memory storage. This allows individual users to save their preferred settings for spray position, water pressure, and temperature for quick recall.
Video 1: An official TOTO USA video demonstrating the features and design of the TOTO Aquia Toilet. This video highlights the contemporary design, CEFIONTECT ceramic glaze, DYNAMAX TORNADO FLUSH, and water spot features.
5. Manutenção e Limpeza
Regular cleaning and maintenance will ensure optimal performance and hygiene of your TOTO WASHLET+ Aquia IV system.
5.1 Toilet Bowl Cleaning
- Esmalte CEFIONTECT: The ceramic glaze minimizes waste adhesion. Clean with a soft brush or cloth and mild, non-abrasive cleaners. Avoid harsh chemicals or abrasive pads that can damage the glaze.
- DYNAMAX TORNADO FLUSH: The powerful flush helps keep the bowl clean with each use.
- PREMISSA: This feature automatically mists the bowl with water before use, further preventing waste from sticking.
5.2 WASHLET+ Bidet Seat Cleaning
- EWATER+: The wand and toilet bowl are automatically misted with EWATER+ (electrolyzed water) to help keep them clean.
- Limpeza de varinha: The wand self-cleans before and after each use. For manual cleaning, refer to the WASHLET+ S7 specific manual for instructions on extending the wand. Use a soft cloth and mild soap.
- Limpeza externa: Limpe as superfícies externas do assento do bidê com um pano macio e seco.amp cloth and a mild, non-abrasive cleaner. Do not use strong chemical cleaners, as they may damage the plastic.
- Limpeza do filtro: Periodically check and clean the water filter for the bidet seat as per the WASHLET+ S7 manual to maintain optimal water flow.

Figure 2: Internal components of a TOTO toilet, illustrating the integration of craftsmanship and advanced technologies for efficient cleaning and water usage.
6. Solução De Problemas
If you encounter issues with your TOTO WASHLET+ Aquia IV system, refer to the following common troubleshooting tips. For more complex problems, consult a qualified technician or the full product manual.
| Problema | Possível causa | Solução |
|---|---|---|
| Toilet not flushing or weak flush. | Water supply turned off; clogged trapway; low water level in tank. | Ensure water supply valve is fully open. Check for obstructions in the trapway. Adjust water level in the tank if necessary. |
| WASHLET+ bidet seat not operating. | No power; remote control battery low; seat sensor not activated. | Check power connection and outlet. Replace remote batteries. Ensure proper contact with the seat sensor. |
| Water spray is weak or inconsistent. | Water filter clogged; wand nozzle obstructed. | Clean the water filter. Clean the wand nozzle. |
| Toilet is leaking. | Loose connections; faulty wax ring; cracked tank or bowl. | Tighten connections. Replace wax ring if necessary. Inspect for cracks and contact support if found. |
7. Especificações
| Atributo | Detalhe |
|---|---|
| Número do modelo | MW6464726CEMFGNA#01 |
| Marca | TOTO |
| Cor | Algodão Branco |
| Dimensões do produto (P x L x A) | 28.25" x 15.19" x 28.38" |
| Material | Cerâmica, Plástico |
| Peso do item | 118 libras |
| Tipo de instalação | Montado no chão |
| Forma | Alongado (Oval) |
| Tipo de descarga | Descarga dupla (1.28 GPF / 0.9 GPF) |
| Desbaste | 12" (adaptable to 10" or 14" with separate adapter) |
| Componentes incluídos | Vaso sanitário, assento sanitário com bidê eletrônico |
| UPC | 739268445734 |
8. Garantia e Suporte
For information regarding product warranty, please refer to the warranty card included with your purchase or visit the official TOTO website. For technical support, replacement parts, or service inquiries, please contact TOTO customer service directly. Contact details can typically be found on the TOTO website ou na documentação do produto.





