1. Important Safety Instructions
Read all instructions carefully before using the appliance. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- Ensure the voltage rating on the heater matches your local power supply.
- Do not operate the heater with a damaged cord or plug. If damaged, contact qualified service personnel.
- Keep combustible materials such as furniture, curtains, and paper at least 1 meter (3 feet) away from the heater.
- Do not use the heater in bathrooms, laundry areas, or similar indoor locations where it may come into contact with water.
- Always unplug the heater when not in use or before cleaning.
- 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.
- Supervise children and individuals with reduced physical, sensory, or mental capabilities when the heater is in operation.
- This heater is designed for indoor use only.
2. Product Components
Familiarize yourself with the parts of your Simfer S 3150 WT Slim Heater.

Figure 1: Front and side view of the Simfer S 3150 WT Slim Heater. The front view displays the heating elements behind a protective grille. The side view shows the control knobs for power and heat settings.
- Heating Elements: Multiple quartz or infrared heating tubes that generate heat.
- Protective Grille: Metal mesh covering the heating elements for safety.
- Control Knobs: Typically include a power selector and a thermostat or heat level selector.
- Base/Feet: Provides stability for freestanding operation.
- Power Cord: For connecting the heater to an electrical outlet.
3. Setup and Installation
Follow these steps to set up your heater safely and correctly.
- Unpacking: Carefully remove the heater from its packaging. Retain packaging materials for future storage or transport. Inspect the heater for any signs of damage.
- Placement: Place the heater on a firm, level surface. Ensure there is at least 1 meter (3 feet) of clear space around the heater from walls, furniture, and other objects. Do not place it directly under a power outlet.
- Power Connection: Plug the power cord into a grounded electrical outlet. Do not use extension cords or power strips with this appliance.
- Initial Use: During the first few minutes of operation, a slight odor may be detected. This is normal and will dissipate quickly.
4. Operating Instructions
Operating your Simfer S 3150 WT Slim Heater is straightforward.
- Power On: Ensure the heater is plugged in. Turn the power control knob to the desired heat setting (e.g., Low, Medium, High). The heating elements will begin to glow.
- Adjusting Heat: Use the heat setting knob to select the appropriate heat output for your comfort.
- Thermostat (if applicable): If your model includes a thermostat, set it to the desired room temperature. The heater will cycle on and off to maintain this temperature.
- Power Off: To turn off the heater, rotate the power control knob to the "OFF" position. Unplug the heater from the wall outlet when not in use.
Note: The heater may have an anti-tip safety switch that automatically turns off the unit if it is accidentally knocked over. If this occurs, place the heater upright on a stable surface, and it should resume operation.
5. Maintenance
Regular maintenance ensures optimal performance and longevity of your heater.
- Cleaning: Before cleaning, always unplug the heater and allow it to cool completely. Use a soft, damp cloth to wipe the exterior surfaces. Do not use abrasive cleaners or solvents.
- Dust Removal: Use a vacuum cleaner with a brush attachment to gently remove dust from the grille and ventilation openings.
- Storage: When not in use for extended periods, store the heater in its original packaging in a cool, dry place.
- No User-Serviceable Parts: Do not attempt to open or repair the heater yourself. Refer all servicing to qualified service personnel.
6. Troubleshooting
Refer to this section for common issues and their solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Heater does not turn on. |
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| Heater produces insufficient heat. |
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| Unusual noise or smell. |
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7. Product Specifications
| Brand | Simfer |
| Model Name | S 3150 WT Slim Heater |
| Model Number | 135 |
| Form Factor | Pedestal |
| Usage | Indoor |
| Power Source | Corded Electric |
| Heating Method | Forced Air |
| ASIN | B08FDMDH1S |
8. Warranty and Support
For warranty information or technical support, please refer to the warranty card included with your product or contact Simfer customer service.
Keep your purchase receipt as proof of purchase for warranty claims.





