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View Full Version : Heat runs with ac and even auto kicks on emg heat


flash7779
Mar 15, 2007, 08:42 AM
(Coleman Evcon)
Some how the hot and cold on the inside thermostat switched.how is that possible?and how do I fix it?

NorthernHeat
Mar 16, 2007, 01:44 PM
Not enough information, was thermostat replaced lately? Is there a switch in the furnace to change from heat to cool? How old do you think it is? Is the outside A/C unit self contained?