I have a 1F86-344 thermostat that is showing "Lo." How do I replace the battery? What is the size of the battery? You need to issue a Mac-compatible online user's manual.

Asked by Ralph on 10/22/2014 1  Answer

ManualsOnline posted an answer 10 years 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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