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Hi, I just bought a smart thermostat and based on what i'm seeing i need to switch off furnace at breaker, hook up the blue wire (common wire) that is wrapped around the wire in the picture in the C-spot for each thermostat at the furnace, then install smart thermostat with all five wires, and then switch furnace back on at breaker. The prior thermostats were battery run. Am i missing anything? Thanks! [link] [comments] |
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