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Question About Aprilaire Thermostat 8463
I have a Aprilaire 8463 thermostat, when the heate...

I have a Aprilaire 8463 thermostat, when the heater is on the digital display HEATING, now the display is showing FR HEATING..should I be concerned? What is the meaning of "FR HEATING".

Asked by Leon Herring on 01/19/2012 0  Answer

ManualsOnline posted an answer 12 years, 10 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

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