Quote:
Originally Posted by JamieGeek
They are controlled by a thermostat and won't come on until its cold enough. They will keep them warm enough to not freeze and not really get that warm to the touch.
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Don't heating pads have insulation on the outside of heating elements? Not sure since I haven't owned heated tanks, but would seem like a waste of energy if heating elements were just exposed to cold air.
Just questioning how they are built because if there is insulation on outside, it may be nearly impossible to tell if heat is on by touching outside of insulation.
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