Why is my SUPRA CERAMDUO 1522 - CERAMINO 2022 radiant heater not heating sufficiently even at maximum setting, and what is the small opening above a graduation on the thermostat for?

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Why is my SUPRA CERAMDUO 1522 - CERAMINO 2022 heater not heating sufficiently?

If your SUPRA radiant panel is unable to heat the room above 12 degrees even when the temperature is set to maximum, several factors may be at play:

Power supply: Check that the device is properly plugged in and that the outlet is functioning well.
Thermostat setting: Ensure that the thermostat is correctly set to the maximum temperature and allow sufficient time for the room to heat up.
Positioning of the device: Avoid having the heater obstructed by furniture, curtains, or other objects that would block heat distribution.
Room insulation: Poor insulation, improperly closed windows, or drafts can prevent the temperature from rising.
Device capacity: Check that the heating power is suitable for the size of the room to be heated.

What is the small opening above a graduation on the thermostat for?

The small opening you observe on the dial of the SUPRA heater's thermostat is generally an air intake or a window that allows the temperature sensor to accurately measure the ambient temperature. This opening serves to:

Allow the thermostat to detect the actual temperature of the room to effectively regulate heating.
Ensure better air circulation around the sensor, thus improving the accuracy of thermal control.

It is not a control or ventilation opening for the user, but an integral part of the heating regulation system.

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