This is the controller for the new ETS (electric thermal system) that we bought. The unit in the photo is direct wired to our electric meter box and tells the unit when to come on and when to go off. It heats during non peak hours and therefore we get a discount on our electric bill because of that. When the heat comes on during non peak hours it heats ceramic bricks in the unit and those bricks store the heat until it is needed. Highly efficient and so far has done well for our small cabin.
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