1. Important Safety Instructions
Please read all instructions carefully before using this electric fireplace heater. Failure to follow these instructions may result in fire, electric shock, or injury.
- Always plug the heater directly into a wall outlet. Never use with an extension cord or relocatable power tap.
- Do not operate any heater with a damaged cord or plug, or after the heater malfunctions or has been dropped or damaged in any manner.
- Keep combustible materials, such as furniture, pillows, bedding, papers, clothes, and curtains at least 3 feet (0.9 m) from the front of the heater and away from the sides and rear.
- Do not insert or allow foreign objects to enter any ventilation or exhaust opening as this may cause an electric shock or fire, or damage the heater.
- Always unplug the heater when not in use.
- Do not use outdoors.
- This heater is hot when in use. To avoid burns, do not let bare skin touch hot surfaces.
Safety Features: Overheat and Tip-Over Protection
The TEMPWARE Electric Fireplace Heater is equipped with advanced safety features to ensure safe operation:
- Overheat Protection: The heater will automatically shut off if it detects that it is overheating. If this occurs, unplug the unit, wait 3-5 minutes for it to cool down, and then plug it back in.
- Tip-Over Switch: For added safety, the heater includes a tip-over switch that automatically turns the unit off if it is accidentally knocked over.

Figure 1: Illustration of the heater's tip-over protection mechanism, which automatically deactivates the unit if it is not upright.
2. Product Overview
The TEMPWARE Electric Fireplace Heater (Model BNT-12) is a portable 1200W space heater designed for indoor use. It features a realistic 3D flame effect, three heat settings, and built-in safety protections for comfortable and secure heating.
Key Features:
- 3 Heat Settings: High (1200 watts), Low (600 watts), and 3D Flame Only.
- Realistic Flame Effect: Enjoy the visual ambiance of dancing flames and a burning log design without actual fire.
- Wide Coverage: Fan-forced dispersion design circulates air to warm medium-sized rooms, covering up to 175 sq ft.
- Safety Protection: Includes tip-over switch and overheat protection sensor for automatic shut-off. ETL certified for safe use.
- Compact Design: Features a cool-to-the-touch body and a molded top handle for easy portability.

Figure 2: Overview of the TEMPWARE Electric Fireplace Heater's design and key components.
3. Setup
Follow these steps to set up your electric fireplace heater:
- Unpack: Carefully remove the heater from its packaging and ensure all components are present and undamaged.
- Placement: Place the heater on a firm, level surface. Ensure it is at least 3 feet (0.9 m) away from any walls, furniture, curtains, or other combustible materials. Do not place it on soft surfaces like beds or rugs where openings may be blocked.
- Power Connection: Plug the heater directly into a 120V A.C., 60Hz grounded wall outlet. Do not use extension cords or power strips.

Figure 3: Proper placement of the electric fireplace heater in an indoor environment.
4. Operating Instructions
The heater features two control knobs on the top panel for easy operation.
Controls:
- Left Knob (Temperature Control): Adjusts the desired room temperature. Turn clockwise for higher temperature, counter-clockwise for lower.
- Right Knob (Mode Selector): Selects the operating mode.
Operating Modes:
- OFF (O): Turns the heater completely off.
- 3D Flame Only: Activates the realistic flame effect without heat.
- Low Heat (600W) + 3D Flame: Provides gentle warmth with the visual flame effect.
- High Heat (1200W) + 3D Flame: Delivers maximum heat output with the visual flame effect.
To operate, turn the Mode Selector knob to your desired setting. Use the Temperature Control knob to fine-tune the heat output.

Figure 4: Control knobs for power, flame, and heat settings.
5. Maintenance
Regular maintenance ensures optimal performance and longevity of your heater.
Cleaning:
- Always unplug the heater from the power outlet and allow it to cool completely before cleaning.
- Use a soft, damp cloth to wipe the exterior surfaces of the heater. Do not use abrasive cleaners or solvents.
- Do not immerse the heater in water or allow water to drip into the interior of the heater.
- Clean the air intake and exhaust vents regularly with a vacuum cleaner or a soft brush to prevent dust buildup.
Storage:
When storing the heater, keep it in a cool, dry place. It is recommended to store it in its original packaging to protect it from dust and damage.
6. Troubleshooting
If your heater is not operating correctly, please refer to the following common issues and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Heater does not turn on. | Not plugged in, power outlet malfunction, tip-over switch activated, overheat protection activated. | Ensure the heater is securely plugged into a working outlet. Check the circuit breaker. If tipped over, place upright. If overheated, unplug and wait 3-5 minutes before restarting. |
| No heat, but flame effect works. | Heater is set to '3D Flame Only' mode. | Turn the Mode Selector knob to 'Low Heat' or 'High Heat' setting. |
| Heater turns off unexpectedly. | Overheat protection or tip-over switch activated. | Unplug the heater, wait 3-5 minutes, and ensure it is on a stable, level surface. Clear any obstructions from air vents. |
If the problem persists after attempting these solutions, please contact customer support.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | TEMPWARE |
| Model Name | BNT-12 |
| Power Source | Corded Electric |
| Product Dimensions | 4"D x 3"W x 5"H |
| Material | Ceramic |
| Heat Output | 1200 Watts |
| Special Feature | Automatic, Portable |
| Color | Red |
| Room Type | Living Room, Office |
| Item Weight | 5.59 pounds |
| UPC | 767123859600 |
8. Warranty and Support
For warranty information and customer support, please refer to the documentation included with your purchase or visit the official TEMPWARE website. Keep your purchase receipt as proof of purchase for any warranty claims.