1. Introduction
Thank you for choosing the TRIOCOTTAGE M12H 12-Egg Incubator. This device is designed to provide an optimal environment for hatching various poultry eggs, including chicken, quail, and duck eggs. It features automatic temperature and humidity control, automatic egg turning, and an integrated egg candler to simplify the hatching process and improve success rates. Please read this manual thoroughly before operation to ensure proper use and maintenance.
2. Safety Information
- Read all instructions carefully before operating the incubator.
- Keep the incubator out of reach of children and pets.
- Place the incubator on a stable, level, and heat-resistant surface.
- Do not immerse the main unit of the incubator in water or any other liquid.
- Unplug the incubator from the power outlet before cleaning or performing any maintenance.
- Ensure adequate ventilation around the incubator to prevent overheating.
- Use only the provided power adapter.
- Do not operate the incubator if it has a damaged cord or plug, or if it malfunctions or has been damaged in any manner.
3. Package Contents
Please verify that all items are present in the package:
- TRIOCOTTAGE M12H Incubator Unit
- Power Adapter
- Automatic Water Replenishment Bottle
- User Manual (this document)
4. Product Features
The TRIOCOTTAGE M12H Incubator is equipped with several features designed to optimize the hatching process:
- LED Temperature Display and Adjustment: Allows precise monitoring and adjustment of internal temperature, enhancing hatching success even in cooler environments.
- Automatic Water Replenishment: An external system automatically adds water to maintain optimal humidity, reducing the need for frequent manual refills and minimizing lid openings.
- Adjustable Humidity Control: Humidity levels can be fine-tuned using the LED display, two water zones on the base, and a ventilation knob.
- 360° Transparent Observation Cover: Provides a clear, unobstructed view of the entire incubation process without disturbance. The curved design offers ample space for chicks.
- Automatic Egg Turning: Mimics natural hatching by automatically turning eggs at timed intervals, eliminating manual effort and improving hatch rates.
- Integrated Egg Candler: A built-in candler allows for easy observation of embryo development without needing additional equipment.
5. Setup
Follow these steps to set up your incubator:
- Unpack: Carefully remove all components from the packaging. Inspect for any damage.
- Placement: Position the incubator on a stable, level surface in a room with a consistent ambient temperature, away from direct sunlight, drafts, or extreme heat sources.
- Assemble Water Replenishment System: Attach the automatic water replenishment bottle to the designated port on the incubator base. Ensure it is securely fitted.
- Connect Power: Plug the power adapter into the incubator's power input, then plug the adapter into a standard electrical outlet.
- Initial Water Fill: Fill the water replenishment bottle with distilled or demineralized water. This helps prevent mineral buildup and ensures accurate humidity control.
- Pre-heating: Allow the incubator to run for at least 2-4 hours before placing eggs. This stabilizes the internal temperature and humidity, ensuring optimal conditions from the start.

Image 1: The TRIOCOTTAGE M12H Incubator with eggs in the tray, showing the control panel and transparent lid.
6. Operating Instructions
Once the incubator is set up and pre-heated, you can begin the incubation process:
- Temperature Setting: The incubator comes with a factory-set temperature suitable for most poultry eggs (e.g., 37.5°C or 99.5°F for chicken eggs). Refer to specific egg type requirements for any adjustments using the control panel buttons.
- Humidity Control:
Monitor the humidity percentage displayed on the LED screen. The automatic water replenishment system will help maintain a stable humidity level. For fine adjustments, you can use the ventilation knob on the side and manage the water levels in the two designated zones on the base. Higher water surface area increases humidity.

Image 2: Diagram illustrating the LED humidity display, ventilation knob, and two water surface zones for precise humidity adjustment.
- Egg Placement: Carefully place clean, fertile eggs onto the egg tray. Ensure they are not cracked or damaged. The incubator can hold up to 12 standard chicken eggs.
- Automatic Egg Turning: The incubator will automatically turn the eggs at regular intervals (e.g., every 2 hours). This mimics the natural behavior of a brooding hen and is crucial for proper embryo development. Do not manually turn eggs once this function is active.

Image 3: Illustration of the automatic 360-degree egg turning mechanism with auto-stop, suitable for various poultry eggs.
- Egg Candling: Use the integrated egg candler to observe the development of the embryo. This is typically performed around day 7 and day 14 of incubation to check for fertility and viability. Simply place an egg over the candler light on the control panel.

Image 4: The incubator's built-in egg candler, eliminating the need for separate equipment to observe embryo development.
- Hatching Phase (Lockdown): Approximately 3 days before the expected hatch date (e.g., day 18 for chicken eggs), stop the automatic turning function. Increase the humidity slightly during this period. Avoid opening the incubator frequently during hatching to maintain stable temperature and humidity, which is critical for successful hatching.

Image 5: Diagram illustrating the fan-assisted induced airflow system that maintains a balanced and stable temperature inside the incubator.

Image 6: The 360-degree transparent cover allows for real-time observation of the incubation process.
7. Maintenance
Proper maintenance ensures the longevity and efficiency of your incubator:
- Cleaning: After each hatch, or if the incubator becomes soiled, unplug the unit. Disassemble removable parts such as the egg tray and water bottle. Clean all surfaces with a mild disinfectant solution and a soft cloth. Rinse thoroughly and ensure all parts are completely dry before reassembly. Do not immerse the main electronic unit in water.
- Storage: When not in use, ensure the incubator is clean and dry. Store it in a cool, dry place, away from direct sunlight and extreme temperatures.
8. Troubleshooting
If you encounter issues with your incubator, refer to the following common problems and solutions:
- Temperature Fluctuations:
- Check that the power adapter is securely connected.
- Ensure the incubator is not placed in a drafty area or near a window with fluctuating temperatures.
- Verify the ambient room temperature is stable and within recommended ranges (typically 20-25°C or 68-77°F).
- Humidity Too Low/High:
- Ensure the automatic water replenishment bottle is filled with water.
- Adjust the ventilation knob to increase or decrease airflow.
- Check for any leaks in the water system.
- For higher humidity, ensure both water zones on the base have water. For lower humidity, reduce the water surface area.
- Eggs Not Turning:
- Verify that the automatic turning function is enabled on the control panel.
- Check for any obstructions preventing the egg tray from moving freely.
- Poor Hatch Rate:
- Review and verify that temperature and humidity settings were appropriate for the specific type of eggs being incubated throughout the entire cycle.
- Ensure eggs were fertile and stored correctly before incubation.
- Avoid frequent opening of the incubator lid, especially during the critical hatching phase.
9. Specifications
| Feature | Specification |
|---|---|
| Product Dimensions | 7.5 x 7.5 x 6.6 inches |
| Item Weight | 3.79 Pounds |
| Model Number | M12H |
| Manufacturer | TRIOCOTTAGE |
10. Warranty and Support
Warranty information for your TRIOCOTTAGE M12H Incubator is typically included with the product packaging. For specific details regarding warranty coverage, terms, and conditions, please refer to the documentation provided with your purchase. For technical support, troubleshooting assistance beyond this manual, or inquiries about replacement parts, please contact TRIOCOTTAGE customer support through their official channels.