My White Rodgers 1F90-51 Thermostat is not displaying the correct room temperature. The display says that the room temperature is 40 degrees F when the room temperature is about 68 degrees. This is causing the heater to run continuously. What could be causing this problem?

Asked by John on 10/30/2009 1  Answer

ManualsOnline posted an answer 15 years, 2 months ago

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