Originally Posted By: rmoore
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Has anyone ever seen one of these. Photo is of interior and exterior of unit. 1987 home with otherwise normal unitary wall heaters. I didn’t get a photo of the remote timer (located very oddly near floor level) but it had some wording on it refering to a “heat exchanger”. The unit “functioned” as far as a fan came on and air was being moved around but I have no idea what it was achieving. The interior panel was heavily painted shut and I didn’t try opening it. I’m disclaiming this thing but was curious if anyone knows what principle it might work on.
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