I have a White Rogers Digital Comfort set II thermostat [type 1F90-51. It's over 13 years old. The air and furnace have stopped working. I've replaced the batteries and reprogrammed it. the word "Battery" appears on the LED read out. Is there something I can do to make the air and furnace run again?

Asked by on 09/09/2013 1  Answer

ManualsOnline posted an answer 11 years, 1 month ago

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