Quote:
Originally Posted by ncrzrbk
Question for the group, hope the Op doesn’t mind.
Our 3791RD has front t stat which has a furnace setting. The rear controls both HP and furnace. So the question is, what purpose does the furnace setting have in the front unit?
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It does nothing. The front unit is not wired to the furnace like the one in the kitchen. I suppose there's a way to do it, but I haven't explored it.