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I have a gas only gravity wall heater. When I touch the 2 wires together the heater goes on instantly. When I install the Honeywell CT30A1005 Thermostat, how will I turn it
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Blue "C" wire is connected to "Y" on old thermostat. New thermostat has separate "C" hookup. Where does the blue wire go - "Y" or "C"? : r/Nest
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