1. Introduction
Thank you for choosing the Uncle Brown ST03 Luxury Smart Toilet. This advanced toilet system integrates a bidet, heated seat, automatic flush, dryer, night light, and digital display to provide an unparalleled bathroom experience. This manual provides essential information for proper installation, operation, maintenance, and troubleshooting to ensure long-lasting performance and user satisfaction.
2. Safety Information
Please read all instructions carefully before installation and use. Retain this manual for future reference. Ensure all electrical and plumbing connections are performed by qualified professionals in accordance with local codes. Do not immerse the product in water. Disconnect power before performing any maintenance or cleaning. Avoid using abrasive cleaners or harsh chemicals that may damage the surface or internal components.
3. Package Contents
Verify that all components are present before beginning installation:
- Smart Toilet Unit
- Remote Control
- Hose
- Installation Template
- Mounting Accessory Kit (Screws, Mounting Bracket, Washers, Cement Bolts)
- Angle Valve
- Wax Ring
- Batteries (for remote control and emergency backup)
- Bags for Measure Water Flow

Image: All-in-One Accessories for Uncle Brown ST03 Smart Toilet. This image displays all the components included in the package, such as the remote control, screws, mounting bracket, angle valve, wax ring, flange, installation template, manual, battery, and bags for measuring water flow, alongside the toilet unit with its dimensions.
4. Setup & Installation
Proper installation is crucial for the optimal performance of your smart toilet. Follow these steps carefully.
4.1 Prepare the Installation Area
- Ensure a 120V AC power outlet is available near the toilet's intended location.
- Confirm water pressure is greater than 35 PSI for optimal flushing. Use the provided water flow detection bag to test.
- Remove the old toilet and clean the area thoroughly.

Image: Measuring water pressure and flow for smart toilet installation. This image shows a person using a water flow detection bag to measure water output from the angle valve, ensuring it meets the minimum requirements for the smart toilet.
4.2 Mounting the Toilet
- Use the installation template to mark the drilling points for the mounting brackets.
- Secure the mounting brackets and flange to the floor using the provided screws and cement bolts.
- Apply the wax ring to the bottom of the toilet unit.
- Carefully position the toilet over the flange and mounting brackets, ensuring a secure fit.

Image: Installing the Uncle Brown ST03 Smart Toilet. This image illustrates the process of installing the toilet unit onto the floor, showing the flange and mounting hardware in place.
4.3 Water and Power Connection
- Connect the angle valve to your water supply line.
- Attach the provided hose from the angle valve to the toilet's water inlet.
- Plug the toilet's power cord into the 120V AC outlet.

Image: Connecting water and power to the smart toilet. This image shows the water supply line and electrical cord being connected to the smart toilet unit.
4.4 Installation Video Guide
Video: This video provides a detailed guide on how to install the Uncle Brown ST03 Smart Toilet, covering various steps and considerations for a successful DIY setup.
5. Operating Instructions
Your Uncle Brown ST03 Smart Toilet offers a range of intelligent features for enhanced comfort and hygiene. All functions can be controlled via the remote control or the side knob.
5.1 Automatic Lid & Flush
- The lid automatically opens when you approach and closes when you leave.
- The toilet features an automatic flush system that activates after use.
- An emergency flush option is available for power outages.

Image: Soft Glow and Gentle Close feature of the smart toilet. This image highlights the automatic soft-closing lid and the gentle night light function.

Image: Emergency Flush feature of the smart toilet. This image shows the internal mechanism for the external backup power, ensuring flushing even during power outages.
5.2 Bidet Functions
- Choose between Feminine Wash (Front) and Posterior Wash (Rear) modes.
- Adjust water temperature (93°F, 96.8°F, 102.2°F) and water pressure to your preference.
- The nozzle position can be adjusted for optimal cleansing.
- Features include Aerated Cleanse, Oscillating Cleanse, and Hot/Cold Massage Cleanse.

Image: Personalised Cleaning Experience with adjustable bidet settings. This image illustrates the various bidet functions including water pressure and temperature adjustments, as well as rear soft cleanse and wide front cleanse options.

Image: Hot/Cold Massage Cleanse feature. This image visually represents the hot and cold water massage options available for the bidet function.
5.3 Heated Seat & Warm Air Dryer
- The elongated seat offers four adjustable temperature levels (93.2°F, 96.8°F, 102.2°F).
- A built-in warm air dryer with adjustable temperature provides comfort after cleansing.

Image: Elongated Heated Seat with temperature control. This image highlights the heated seat feature with adjustable temperature levels and temperature control protection.

Image: Warm Air Dryer feature. This image shows the built-in warm air dryer with adjustable temperature settings for added comfort.
5.4 Night Light & Digital Display
- The night light illuminates the bowl, providing guidance in the dark.
- The digital display shows water temperature, seat temperature, and drying temperature.
5.5 Remote Control & Side Knob
- The remote control allows full access to all smart toilet functions.
- A convenient side knob provides quick access to essential functions like flush and bidet modes.

Image: Remote Control and Side Knob for smart toilet functions. This image displays both the remote control and the side knob, highlighting their respective functions for controlling the smart toilet.
5.6 Operating Video Guide
Video: This video provides an introduction to the functions of the Uncle Brown ST03 Smart Toilet, demonstrating its various features and how to operate them.
Video: This video showcases the Uncle Brown ST03 Smart Toilet, highlighting its design and key functionalities.
6. Maintenance
Regular maintenance ensures the longevity and hygienic performance of your smart toilet.
6.1 Nozzle Self-Cleaning & UV Sterilization
- The bidet nozzle performs a self-cleaning cycle before and after each use.
- Integrated UV light provides automatic sterilization of the nozzle for enhanced hygiene.

Image: UV Sterilization for Nozzle. This image illustrates the efficient, automatic, and safe UV light sterilization process for the nano antibacterial material nozzle.
6.2 Premium Hygiene Seat & Easy Cleaning
- The SIAA Hygienic Seat effectively prevents microbial growth.
- The tankless design and smooth ceramic surface make the toilet easier to clean.
- The auto pre-wet function helps prevent residue on the inner wall of the toilet.

Image: Premium Hygiene Seat. This image highlights the hygienic seat designed to effectively prevent microbial growth.

Image: Easy to clean design of the smart toilet. This image emphasizes the smooth, tankless design that facilitates easier cleaning.
7. Troubleshooting
If you encounter any issues with your Uncle Brown ST03 Smart Toilet, please refer to the following general advice. For more specific problems, contact customer support.
- No Power: Check if the power cord is securely plugged into a working outlet. Verify the circuit breaker.
- No Water/Weak Bidet Spray: Ensure the water supply valve is fully open. Check water pressure.
- Automatic Flush Not Working: Ensure the sensor is not obstructed. Check for any error codes on the digital display.
- Heated Seat Not Working: Verify the seat temperature setting on the remote control or digital display.
8. Specifications
| Feature | Specification |
|---|---|
| Model Number | ST03 |
| Color | White Skirted Toilet |
| Product Dimensions | 26.93"D x 15.55"W x 19.41"H |
| Material | Ceramic, Polypropylene (PP) |
| Item Weight | 99 Pounds |
| Installation Type | Floor Mounted |
| Shape | Elongated Smart Bidet Toilet |
| Power Source | AC, 120 Volts, 1050 Watts |
| Water Consumption | 1.27 Gallons per Flush |
| Flush Type | Automatic |
| Rough-In | 12 Inches |
| Special Features | Adjustable (Water/Seat/Air Temp, Nozzle Position), Night Light, Dryer |
| UPC | 732829111819 |
9. Warranty and Support
Uncle Brown is committed to providing high-quality products and excellent customer service.
9.1 Quality Assurance
Products undergo strict quality testing before leaving the factory. The Uncle Brown Smart Bidet Toilet is certified with cUPC, CEC, DOE, and ETL standards.
9.2 Free Maintenance Period
A one-year free maintenance period is provided, starting from the date of product delivery. Simple product issues are handled with guidance, while complex issues may be addressed through replacement.
9.3 Customer Service
If you encounter any issues or require assistance, please contact us through your Amazon order page. Our team is available to help ensure a smooth experience.