For the Honeywell Thermostat CT31A have only two wires coming out the wall, both red in color. When I touch both ends of the wires they operate my wall furnace. My question is, what letter on the thermostat do these two wires go to??

Asked by Jeanne on 12/20/2011 1  Answer

ManualsOnline posted an answer 12 years, 10 months ago

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