I have a 6 year old Trane Gas Furnace ( TUD100C972K4). The slow flashing red ligh indicates no call for heat, but I set my thermostat to heat and raise the temperature setting, there is no ignition.
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I have a 6 year old Trane Gas Furnace ( TUD100C972K4). The slow flashing red ligh indicates no call for heat, but I set my thermostat to heat and raise the temperature setting, there is no ignition.
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