Just got word there was a thread here-
First, which width element are you using?
Next- the max temp can vary tremendously depending a few factors. Room temp and the surface it is mounted to are among the biggest. You will also see a lower "open air" temp than if you set something on it and start building up some heat. This is why you want to regulate it with a thermostat. These variable, especially room temp, can change with day/night and seasons.
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