








Oil-filled Radiator 521S
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- 2000W Powerful Whole-Room Heating
- 9 M-Shaped Fins, 59.5% Higher Dissipation Area
- Comprehensive Safety Protection
- 5-35°C Temp Control in 1°C Increments
- 3 Heat Levels & Smart ECO Mode
- Versatile Smart Control

Specifications
Heat Output / W: 800 / 1200 / 2000
Temperature Settings: H1 / H2 / H3
Temperature Setting Range: 5-35°C
Temperature Increment: 1°C
M-shape Fins: 9
Smart IoT Feature: Yes
Control Method: Touch, Remote, Voice, APP
ECO Mode Energy Saving than Competitor: 60%
Timing: 24 Hours
Recommended Room Size (㎡): 10~20
Automatic Temperature Limiter: 140°C
Manual Temperature Limiter: 170°C
Safety Plug: Enhanced Safety Plug
V-0 Flame Retardant: Yes
Tip-Over Protection: 40°
Thermal Insulated Wiring: Yes
Cool Touch Back Case: Yes
What's in the box
1x Space Heater
1x User Guide
1x Quick Start Guide
1x Remote Control
2x AAA Batteries
Frequently Asked Questions
Why does the heater not start or suddenly stop while heating?
1. The heater was tipped over. Place it back on a flat, level, and stable surface, then wait for the indicator light to come on before turning it on again.
2. Overheat protection was triggered. Unplug the heater and let it cool down fully before plugging it back in. Also, make sure there are no objects on or near the heater that could block airflow.
3. No power is reaching the unit. Check that your circuit breaker or fuse is working properly, and confirm the heater is placed on a flat and even surface.
4. In ECO mode, the set temperature is lower than the room temperature. Adjust the set temperature to be higher than the current ambient temperature.
























