Introduction
Thank you for choosing the ZMJH 236 Elongated Smart Bidet Toilet Seat. This manual provides detailed instructions for the safe and efficient operation, installation, and maintenance of your new bidet toilet seat. Please read this manual thoroughly before installation and use, and retain it for future reference.

Figure 1: ZMJH 236 Elongated Smart Bidet Toilet Seat
Safety Information
To ensure safe operation, always follow these basic precautions:
- Electrical Safety: Ensure the bidet seat is connected to a properly grounded outlet. Do not use extension cords. Disconnect power before cleaning or servicing.
- Water Connection: Turn off the main water supply to the toilet before installation. Ensure all connections are secure to prevent leaks.
- Temperature Settings: Exercise caution when adjusting water and seat temperatures, especially for children, the elderly, or individuals with sensitive skin.
- Cleaning: Use only mild, non-abrasive cleaners. Do not immerse the unit in water or spray water directly onto electrical components.
- Supervision: Close supervision is necessary when this product is used by or near children or individuals with disabilities.
Package Contents
Verify that all components are present before beginning installation:

Figure 2: Included components for ZMJH 236 Bidet Toilet Seat. Includes Smart Bidet Seat, Instruction Manual, Screws, Gaskets, Steel Discs, Mounting Plate, Anchoring Rubbers, Three-way Valve, and PE Pipe.
- 1x Smart Bidet Seat
- 1x Instruction Manual
- 1x Installation Guide
- 2x Screws
- 2x Gaskets
- 2x Steel Discs
- 1x Mounting Plate
- 2x Anchoring Rubbers
- 1x Three-way Valve (7/8" to 1/4" to 7/8")
- 1x PE Pipe
Installation Guide
Follow these steps for proper installation. Professional assistance is not typically required.
Pre-Installation Check:
- Ensure your toilet is an elongated shape for proper fit.
- Verify there is an electrical outlet near the toilet.
- Turn off the water supply to the toilet before starting.
Installation Steps:

Figure 3: Step 1 - Remove the existing toilet seat by unscrewing the bolts from underneath.
Step 1: Remove Existing Toilet Seat. Lift the hinge covers and use a screwdriver to remove the mounting bolts. Remove the old toilet seat and lid.

Figure 4: Step 2 - Install the mounting plate onto the toilet bowl using the provided screws and gaskets.
Step 2: Install Mounting Plate. Place the mounting plate over the toilet bowl holes. Insert the anchoring rubbers into the holes, then secure the steel discs and screws. Tighten with a screwdriver.

Figure 5: Step 3 - Slide the bidet toilet seat onto the installed mounting plate until it clicks into place.
Step 3: Attach Bidet Seat. Align the bidet seat with the mounting plate and slide it forward until it locks securely into place.

Figure 6: Step 4 - Connect the T-valve to the toilet tank's water inlet. Ensure a tight seal.
Step 4: Connect T-Valve. Disconnect the existing water supply hose from the toilet tank. Install the provided T-valve (7/8" to 1/4" to 7/8") to the toilet tank's water inlet. Reconnect the toilet's water supply hose to the bottom of the T-valve.

Figure 7: Step 5 - Connect the PE pipe from the T-valve to the bidet seat's water inlet.
Step 5: Connect PE Pipe. Connect one end of the PE pipe to the 1/4" outlet on the T-valve and the other end to the water inlet on the bidet seat. Ensure all connections are hand-tightened, then use a wrench for a final snug fit, being careful not to overtighten.
Post-Installation:
- Slowly turn on the main water supply to the toilet. Check for any leaks.
- Plug the bidet seat's power cord into a grounded electrical outlet.
Installation Video:
Video 1: Detailed installation guide for the ZMJH 236 Bidet Toilet Seat. This video demonstrates the step-by-step process of setting up the bidet seat, including connecting water lines and power.
Operating Instructions & Features
Your ZMJH 236 bidet toilet seat offers a range of features for enhanced comfort and hygiene. All functions are controlled via the side panel.
Control Panel Overview:

Figure 8: Side control panel with buttons for various functions including Stop, Light, Rear Wash, Front Wash, Air Dry, Power, Seat Temperature, Water Temperature, Nozzle Position, and Water Pressure/Air Dryer Temperature.
- Stop/Light: Stops all active functions and controls the LED night light.
- Rear Wash: Activates the posterior cleansing function.
- Front Wash (Bidet): Activates the feminine cleansing function.
- Air Dry: Initiates the warm air drying cycle (3 minutes duration).
- Power: Turns the unit on/off.
- Seat Temp: Adjusts the heated seat temperature (3 settings).
- Water Temp: Adjusts the water heater temperature (3 settings).
- Nozzle Position (FR/BK): Adjusts the nozzle's forward/backward position.
- Water Pressure/Air Dryer Temp (HI/LO): Adjusts water pressure and warm air dryer levels (3 levels).
Key Features:

Figure 9: Adjustable wash modes including Rear Wash, Front Wash, Oscillating Wash, and Self-cleaning Nozzle.
Adjustable Washes: Features Rear Wash, Front Wash, and Oscillating Wash for thorough cleansing. The stainless steel nozzle is self-cleaning for optimal hygiene.

Figure 10: Visual representation of adjustable warm air drying, water temperature settings (93°F to 104°F), and heated seat temperature settings (89°F to 100°F).
Temperature Control: Enjoy a heated seat with 3 temperature settings, warm water with 3 temperature settings, and a warm air dryer with 3 different levels. The hybrid heating technology ensures continuous warm water.

Figure 11: The bidet seat features a slow-closing seat and lid to prevent slamming, and an illuminating blue LED nightlight for convenience in the dark.
Slow Closing Seat & Lid: Designed to close slowly and quietly, preventing slamming and extending product life.
Illuminating LED Nightlight: A cool blue LED nightlight provides subtle illumination for nighttime use.
Operation Demonstration Video:
Video 2: This video demonstrates various features and operations of a ZMJH smart toilet, including the night light, water temperature, and spray functions.
Maintenance
Regular cleaning and maintenance will ensure the longevity and optimal performance of your bidet toilet seat.
- Daily Cleaning: Wipe the exterior surfaces with a soft, damp cloth and a mild, non-abrasive cleaner. Avoid harsh chemicals or abrasive pads.
- Nozzle Cleaning: The stainless steel nozzle has a self-cleaning function. For deeper cleaning, gently pull out the nozzle and wipe it with a soft cloth. Do not use excessive force.
- Filter Cleaning: Periodically check and clean the water inlet filter to prevent clogging and maintain water pressure. Refer to the detailed instruction manual for filter access.
- Winterization (if applicable): If the unit will be exposed to freezing temperatures, ensure all water is drained from the bidet seat and pipes to prevent damage.
Troubleshooting
If you encounter issues, try these common troubleshooting steps before contacting support:
| Problem | Possible Cause | Solution |
|---|---|---|
| No power/Unit not responding | Power cord unplugged, circuit breaker tripped, seat sensor not activated. | Check power connection. Reset circuit breaker. Ensure you are seated properly on the bidet seat to activate the sensor. |
| No water spray or weak pressure | Water supply valve closed, water filter clogged, nozzle blocked. | Ensure water supply valve is fully open. Clean the water inlet filter. Clean the nozzle. |
| Water temperature not warm | Water heater setting too low, insufficient time for heating. | Adjust water temperature setting to a higher level. Allow a few moments for the water to heat up. |
| Heated seat not working | Seat temperature setting too low, seat sensor not activated. | Adjust seat temperature setting. Ensure you are seated properly on the bidet seat. |
| Leaks from connections | Loose connections, damaged gaskets. | Tighten all water connections. Check gaskets for proper seating and damage. Replace if necessary. |
For more detailed troubleshooting or issues not listed here, please refer to the full instruction manual or contact ZMJH customer support.
Specifications
| Feature | Detail |
|---|---|
| Model Number | 236 |
| Brand | ZMJH |
| Shape | Elongated |
| Color | White |
| Material | Plastic |
| Product Dimensions | 20"L x 18"W |
| Item Weight | 10 Pounds |
| Operation Mode | Automatic |
| Water Heating | Hybrid Heating Technology (Unlimited Warm Water) |
| Temperature Settings | 3 for water, 3 for seat, 3 for air dryer |
| Nozzle Material | Stainless Steel |
| Special Features | Vortex Wash, LED Night Light, Slow Closing Seat & Lid |
Warranty and Support
ZMJH stands behind the quality of its products. For warranty information, product registration, or technical support, please refer to the warranty card included in your package or visit the official ZMJH website. Please have your model number (236) and purchase date ready when contacting support.
For additional resources and FAQs, you may visit the ZMJH Store on Amazon.




