1. Introduction
Thank you for choosing the FVZ Elongated Smart Heated Bidet Toilet Seat. This manual provides essential information for the safe installation, operation, and maintenance of your new bidet toilet seat. Please read this manual thoroughly before installation and use, and retain it for future reference.
2. Safety Information
Observe all safety precautions to prevent injury or damage. This bidet toilet seat is designed with multiple safety features, including power-off and overheating protection. It is made of SIAA-certified materials for hygiene.
- Ensure the power outlet is 120V and properly grounded.
- Do not immerse the unit in water or spray water directly onto electrical components.
- The explosion-proof stainless steel water pipe prevents winter freezing and leaks.
- The soft-close lid reduces noise and extends product lifespan.
- Unplug the unit before cleaning or maintenance.
3. Package Contents
Verify that all components are present before beginning installation:
- FVZ Elongated Smart Heated Bidet Toilet Seat
- Mounting Hardware
- Connecting Components
- Wireless Remote Control
- Installation Instructions (this manual)
4. Product Overview
The FVZ Smart Heated Bidet Toilet Seat offers advanced features for enhanced hygiene and comfort:
- Heated Seat: Adjustable temperature levels for comfort.
- Instant Warm Water: Provides continuous warm water for washing.
- Warm Air Drying: Adjustable warm air for drying after washing.
- Multiple Wash Modes: Includes Rear, Feminine, Power, and Child wash functions.
- Self-Clean Stainless Steel Nozzle: Adjustable position, self-cleans before and after each use.
- Dual Control: Side control knob for basic functions and a waterproof wireless remote control.
- Automatic Memory Function: Saves personalized preferences.
- Night Light: Provides illumination in low-light conditions.

Figure 1: Key Features - Heated Seat, Instant Warm Water, Warm Air Drying.

Figure 2: Adjustable Nozzle and Wash Modes.

Figure 3: Self-Cleaning Nozzle in operation.
5. Installation
The FVZ bidet toilet seat is designed for easy installation on most elongated toilets. No professional plumbing assistance is typically required.
5.1. Toilet Compatibility
This smart toilet seat is designed for elongated toilets. Ensure your toilet body length is between 550-530mm (approximately 21.6-20.8 inches) and the distance between mounting holes is 3.87"-5.87".

Figure 4: Toilet Size Compatibility Guide.
5.2. Power Requirements
The unit requires a 120V power outlet. The power cord length is 1.5 meters (approximately 4.9 feet). Ensure an outlet is within reach of the installation location.
5.3. Installation Steps
Follow these general steps for installation. Refer to the detailed diagrams for visual guidance.
- Install the Fixing Plate: Secure the mounting plate to your toilet bowl using the provided hardware.
- Install Accessories: Attach any necessary accessory components as per the instructions.
- Assemble the Smart Toilet Seat: Slide the bidet toilet seat onto the fixing plate until it locks into place.
- Connect Water Supply: Turn off the main water supply. Disconnect the existing water hose from the toilet tank. Install the T-valve (7/8" to 1/2" to 7/8") between the toilet tank and the existing water hose. Connect the provided 1/2" hose from the T-valve to the bidet seat.
- Plug In Power: Connect the power cord to a 120V grounded electrical outlet.
- Restore Water Supply: Slowly turn on the main water supply and check for leaks.

Figure 5: Quick Installation Guide.
6. Operating Instructions
The bidet toilet seat can be operated using the side control knob or the wireless remote control.
6.1. Basic Functions (Side Control Knob)
The side control knob provides quick access to essential functions. Refer to the markings on the unit for specific controls.
6.2. Advanced Functions (Wireless Remote Control)
The wireless remote control offers comprehensive control over all bidet functions. It can be wall-mounted or handheld.
- Wash Modes:
- Rear Wash: Standard cleansing.
- Feminine Wash: Gentle cleansing for women.
- Power Wash: Stronger spray for effective cleansing, aids in constipation relief.
- Child Wash: Milder water temperature, air temperature, and water pressure for children.
- Temperature Adjustment: Adjust water, air, and seat temperatures to your preference (three heating levels).
- Nozzle Position: Adjust the nozzle forward or backward for optimal cleansing.
- Water Pressure: Adjust the intensity of the water spray.
- Eco Mode: Energy-saving function.
- Night Light: Turn on/off the integrated night light.
- Automatic Memory: The unit remembers your last used settings for personalized comfort.

Figure 6: Overview of Wash Modes.

Figure 7: Heated Seat and Warm Air Drying Temperature Settings.

Figure 8: Instant Warm Water Temperature Levels.
7. Maintenance
Regular cleaning and maintenance ensure optimal performance and hygiene.
7.1. Nozzle Cleaning
The stainless steel nozzle performs a self-cleaning cycle before and after each use. For additional cleaning, activate the nozzle cleaning function via the remote control or side knob (if available).
7.2. General Cleaning
Unplug the bidet seat before cleaning. Use a soft, damp cloth and mild, non-abrasive cleaner. Avoid harsh chemicals or abrasive materials that could damage the surface.
8. Troubleshooting
If you encounter issues, refer to the following common troubleshooting steps:
- No Power: Check if the power cord is securely plugged into a 120V outlet. Ensure the outlet is functional.
- No Water Spray: Verify that the water supply valve is fully open. Check for any kinks in the water hose. Ensure you are seated on the bidet seat, as the seat sensor must be activated for wash functions.
- Water Not Warm: Allow a few moments for the water heater to activate. Check the water temperature setting on the remote control.
- Seat Not Heated: Check the seat temperature setting on the remote control. Ensure the seat sensor is activated.
- Remote Control Not Responding: Check the batteries in the remote control. Ensure there are no obstructions between the remote and the bidet seat.
- Leaks: Ensure all water connections are tightened properly. Check the thickened waterproof gasket for proper seating.
If the problem persists after attempting these steps, please contact customer support.
9. Specifications
| Feature | Specification |
|---|---|
| Brand | FVZ |
| Model Number | WLJG4-505V-US |
| Color | Elongated (Olive) |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Shape | Oval |
| Product Dimensions | 22"L x 17"W |
| Item Weight | 12.32 pounds |
| Power Requirement | 120V |
| Special Features | Heated Seats, Warm Water, Warm Air Dryer, Multiple Wash Modes, Self-Clean Nozzle, Remote Control |
| Included Components | Mounting Hardware, connecting components & instructions, wireless remote |
| Batteries Required | Yes (Alkaline) |
10. Warranty and Support
For any product issues, questions, or technical assistance, please contact our 24/7 online service. Refer to your purchase documentation for specific warranty details.





