I was trying to reprogram my 1F80-51 thermostat and put in new batteries. When I put cover back on nothing shows in window.

Asked by Carol on 03/23/2013 1  Answer

ManualsOnline posted an answer 11 years, 6 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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