1. Introduction
Thank you for choosing the TRESKO 1500W Glass Electric Convector Heater. This manual provides essential information for the safe and efficient operation of your new heater. Please read it thoroughly before use and keep it for future reference.
This convector heater is designed to provide rapid and comfortable warmth through convection heating, suitable for various indoor spaces. It can be used as a freestanding unit with included casters or permanently mounted on a wall.

Image 1.1: Front view of the TRESKO 1500W Glass Electric Convector Heater.
2. Safety Instructions
Always observe basic safety precautions when using electrical appliances to reduce the risk of fire, electric shock, and injury.
- Read all instructions before using this heater.
- Do not use this heater outdoors or in wet locations unless specifically designed for such use. This unit is rated IP24 splash-proof, making it suitable for bathroom use, but avoid direct water spray.
- 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 1 meter (3 feet) from the front and sides of the heater.
- 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.
- To prevent a possible fire, do not block air intakes or exhaust in any manner. Do not use on soft surfaces, like a bed, where openings may become blocked.
- This heater has hot parts inside. Do not use it in areas where gasoline, paint, or flammable liquids are used or stored.
- Unplug heater when not in use.
- Always plug heaters directly into a wall outlet/receptacle. Never use with an extension cord or relocatable power tap (outlet/power strip).
- This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety. Children should be supervised to ensure that they do not play with the appliance.
- The heater is equipped with double overheat protection for safety. If the heater overheats, it will automatically shut off.
3. Package Contents
Please check the package contents upon unpacking:
- TRESKO Glass Electric Convector Heater Unit
- 2 x Feet with Casters (for freestanding use)
- Wall Mounting Bracket Kit (screws and anchors)
- User Manual
4. Setup
4.1 Freestanding Assembly
- Carefully remove the heater from its packaging.
- Place the heater upside down on a soft, flat surface to avoid scratching the glass panel.
- Attach the two feet with casters to the bottom of the heater using the provided screws. Ensure they are securely fastened.
- Carefully turn the heater upright.
4.2 Wall Mounting
The heater can be mounted on a wall using the included bracket kit. Ensure the wall material is suitable for supporting the heater's weight (approximately 7 kg).
- Choose a suitable location on the wall, ensuring adequate clearance from combustible materials (at least 1 meter).
- Mark the drilling points for the wall mounting bracket. Use a level to ensure the bracket is straight.
- Drill holes at the marked positions and insert the wall anchors.
- Secure the wall mounting bracket to the wall using the provided screws.
- Carefully lift the heater and hook it onto the wall mounting bracket. Ensure it is securely seated.

Image 4.1: Heater dimensions and assembly options. Dimensions are approximately 68.5 cm (width), 12 cm (depth), and 54.5 cm (height).

Image 4.2: Example of the heater installed on a wall, demonstrating its slim profile.
5. Operating Instructions
The TRESKO convector heater features simple controls for adjusting heat output and temperature.
5.1 Controls Overview
The control panel is located on the side of the heater and includes:
- Power Switch (OFF/1/2): Selects the heating power level.
- Thermostat Dial (MIN/MAX): Adjusts the desired room temperature.
- Indicator Light: Illuminates when the heater is actively heating.

Image 5.1: Detailed view of the control panel, showing the power level switch (OFF, 1 for low, 2 for maximal) and the thermostat dial (MIN to MAX).
5.2 Initial Operation
- Ensure the heater is properly assembled and placed on a stable surface or securely wall-mounted.
- Plug the power cord into a suitable 230V electrical outlet.
- Turn the thermostat dial to the maximum setting (MAX).
- Select the desired power level using the power switch:
- 1: Low heat output.
- 2: Maximal heat output (1500W).
- OFF: Heater is off.
- The indicator light will illuminate when the heater is actively producing heat.
5.3 Setting the Thermostat
Once the room reaches your desired temperature, slowly turn the thermostat dial counter-clockwise until the indicator light turns off. The heater will now cycle on and off to maintain this temperature. The thermostat can be adjusted continuously from 5°C to 50°C.
6. Maintenance
Regular cleaning and proper storage will ensure the longevity and efficient operation of your heater.
6.1 Cleaning
- Always unplug the heater from the power outlet and allow it to cool completely before cleaning.
- Wipe the exterior surfaces with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Ensure no water enters the interior of the heater.
- Do not immerse the heater in water.
6.2 Storage
When not in use, store the heater in a cool, dry place. If possible, store it in its original packaging to protect it from dust and damage.
7. Troubleshooting
If you encounter issues with your heater, please refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Heater does not turn on. | No power supply. Power switch is OFF. Thermostat set too low. | Check if the power cord is securely plugged in. Ensure the power switch is set to '1' or '2'. Turn the thermostat dial to a higher setting. |
| Heater stops working unexpectedly. | Overheat protection activated. | Unplug the heater and allow it to cool down for at least 30 minutes. Check for any obstructions around the air inlets/outlets. Plug it back in and restart. If the problem persists, contact support. |
| Insufficient heating. | Power level set too low. Thermostat set too low. Room size too large for heater capacity. | Increase the power level to '2'. Turn the thermostat dial to a higher setting. Ensure the heater is appropriate for the room size. |
| Unusual odors during initial use. | Normal for new heaters. | This is usually due to the burning off of manufacturing residues and should dissipate after a few hours of use. Ensure good ventilation. |
8. Specifications
| Feature | Specification |
|---|---|
| Brand | TRESKO |
| Model Number | 1394 |
| Power Output | 1500 W |
| Voltage | 230 Volts |
| Weight | 7 Kilograms |
| Dimensions (L x W x H) | 65.8 cm x 12 cm x 54.5 cm (approximate) |
| Heating Method | Convection |
| Thermostat Range | 5°C to 50°C (continuously adjustable) |
| Special Features | Low oxygen safety shut-off, Rapid heating, On/Off timer, Electronic thermostat, Energy-saving, Child safety, Double overheat protection |
| IP Rating | IP24 (Splash-proof) |
| Installation Type | Freestanding (with casters) or Wall Mount |
| Manufacturer | DWD-Company GmbH & Co. KG |
| Country of Origin | China |
9. Warranty and Support
This TRESKO product comes with a standard manufacturer's warranty. Please refer to the warranty card included in your package for specific terms and conditions, including the warranty period and coverage details.
For technical support, troubleshooting assistance, or warranty claims, please contact the retailer where you purchased the product or the manufacturer directly. Keep your proof of purchase for warranty validation.
Manufacturer: DWD-Company GmbH & Co. KG