1. Introduction
Thank you for choosing the Sejoy TN74 Baby Bottle Warmer Electric Kettle. This versatile appliance is designed to simplify the preparation of baby formula, warm water, and various beverages with precise temperature control. Please read this manual thoroughly before use to ensure safe and optimal operation.
Important Safety Instructions
- Always place the kettle on a stable, flat, heat-resistant surface.
- Do not immerse the base or power cord in water or other liquids.
- Keep out of reach of children. This appliance is not a toy.
- Do not operate the kettle if the cord or plug is damaged, or if the appliance malfunctions.
- Use only with a grounded electrical outlet.
- Avoid touching hot surfaces. Use the handle.
- Do not overfill the kettle beyond the maximum fill line.
- Unplug the kettle from the outlet when not in use and before cleaning.
2. Product Components
The Sejoy TN74 Electric Kettle consists of the following main parts:
- Glass Kettle Body: Made from high-quality, BPA-free, explosion-proof glass with clear measurement markings.
- Lid: Removable lid for filling and cleaning.
- Heating Base: Contains the heating element and control panel.
- Handle: Ergonomically designed for safe pouring.
- Control Panel: LED touch screen for temperature settings and function selection.

Image: Close-up of the Sejoy TN74 Electric Kettle, highlighting its main components.
3. Initial Setup
- Unpack: Carefully remove all packaging materials and inspect the kettle for any damage.
- Clean: Before first use, wash the glass kettle body and lid with warm, soapy water. Rinse thoroughly and dry. Wipe the heating base with a damp cloth. Do not immerse the base in water.
- First Boil: Fill the kettle with clean water up to the 'MAX' line. Boil the water once and discard it. This helps to remove any manufacturing residues.
- Placement: Place the kettle on a dry, stable, and heat-resistant surface, away from the edge of the countertop and out of reach of children. Ensure the power cord is not dangling.
4. Operating Instructions
General Operation
- Fill the Kettle: Remove the lid and fill the glass kettle with the desired amount of clean water. Do not exceed the 'MAX' fill line (1.2L) or go below the 'MIN' line.
- Place on Base: Securely place the filled kettle onto the heating base.
- Power On: Plug the power cord into a grounded electrical outlet. The LED display will illuminate.
- Select Function/Temperature: Use the touch control panel to select your desired function or adjust the temperature.
- Start: The kettle will begin heating. Once the target temperature is reached, the kettle will maintain that temperature according to the selected function.

Image: The LED touch screen control panel for easy operation.
Specific Functions and Temperature Settings
The Sejoy TN74 offers various preset functions and a customizable temperature range (35-100°C) to meet different needs:
- Formula: Ideal for preparing baby formula at an optimal temperature.
- Warm Water: Heats water to a comfortable temperature for drinking or other uses.
- WHO (World Health Organization): Heats water to the recommended temperature for sterilizing baby bottles or preparing formula safely.
- Coffee: Optimized temperature for brewing coffee.
- Tea: Optimized temperature for brewing tea.
- Boil/Sterilize: Heats water to 100°C (boiling point) for sterilization or general boiling. This function also includes a dechlorination feature.

Image: The kettle's multifunctional capabilities for various beverages and baby food.

Image: Overview of temperature presets for different uses.
24-Hour Keep Warm Function
The kettle features an intelligent thermostat that maintains the set temperature for up to 24 hours. Once the water reaches the desired temperature, it will automatically hold it, ensuring warm water is always available when needed, especially useful for night feedings.

Image: The 24-hour keep warm function provides convenience for parents.
Preparing Baby Formula
To prepare baby formula:
- Fill the kettle with purified water.
- Select the 'Formula' function or set the desired temperature (e.g., 45°C).
- Once the water reaches the set temperature, pour the warm water into a clean baby bottle.
- Add the appropriate amount of formula powder as per the formula manufacturer's instructions.
- Cap the bottle and shake gently until the powder is fully dissolved.
- Always check the temperature of the formula on your wrist before feeding your baby.

Image: Steps for preparing baby formula using the kettle.
5. Maintenance and Cleaning
Regular cleaning and maintenance will prolong the life of your Sejoy TN74 Electric Kettle.
Daily Cleaning
- Always unplug the kettle and allow it to cool completely before cleaning.
- Empty any remaining water from the kettle.
- Wash the glass kettle body and lid with warm, soapy water using a soft sponge or cloth. Rinse thoroughly.
- Wipe the exterior of the heating base with a damp cloth. Do not use abrasive cleaners or scourers.
- Ensure all parts are completely dry before storing or next use.
Descaling
Mineral deposits (limescale) can build up inside the kettle, especially in hard water areas. Descale regularly to maintain performance.
- Fill the kettle with a mixture of white vinegar and water (1:2 ratio) or a commercial descaling solution.
- Bring the mixture to a boil and let it stand for at least 30 minutes, or longer if scale is heavy.
- Empty the kettle and rinse thoroughly several times with fresh water to remove any residue and odor.
- If necessary, repeat the process.
6. Troubleshooting
If you encounter any issues with your Sejoy TN74 Electric Kettle, please refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Kettle does not turn on. | Not plugged in; power outage; faulty outlet; kettle not properly seated on base. | Ensure the kettle is plugged into a working outlet. Check circuit breaker. Re-seat the kettle firmly on its base. |
| Water is not heating. | Incorrect function selected; insufficient water; limescale buildup. | Verify the correct function/temperature is selected. Ensure water level is above 'MIN'. Descale the kettle. |
| Kettle turns off prematurely. | Overheating protection activated (dry boil); kettle lifted from base. | Ensure there is always water in the kettle when operating. Allow the kettle to cool down before restarting. |
| Unusual odor or taste in water. | New appliance odor; limescale buildup; residues from previous use. | Perform initial cleaning and first boil again. Descale the kettle. Ensure thorough rinsing after cleaning. |
7. Specifications
| Feature | Detail |
|---|---|
| Brand | Sejoy |
| Model | TN74 |
| Color | White |
| Capacity | 1.2 Liters |
| Power | 1200 W |
| Voltage | 230V (AC) |
| Material | Stainless Steel, Glass (BPA-free, explosion-proof) |
| Special Features | Temperature Control (35-100°C), 24h Keep Warm, Boil/Sterilize, Dechlorination |
| Product Dimensions | 15 cm (L) x 15 cm (W) x 27.9 cm (H) |

Image: Internal view highlighting precise temperature control technology.
8. Warranty and Support
For warranty information, product support, or any inquiries not covered in this manual, please refer to the warranty card included with your purchase or contact Sejoy customer service through the retailer's platform or the official Sejoy website. Please have your model number (TN74) and purchase date available when contacting support.





