I am replacing an old Honeywell thermostat heat only. The wires are not labeled and no label on the terminal. What would the brass terminal wire color be and what color would
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2-Wire heat only furnace for Nest E. The Nest is having problems staying powered. Can I use an external 24V power supply? How would I route the additional wires? https://www.amazon.com/dp/B07FT2RCG9/ref=tsm_1_tp_tc : r/ Nest
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Thermostat basic 2-wire control | Thermostat wiring, Refrigeration and air conditioning, Digital thermostat
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