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Question About Lennox International Inc. Thermostat 20774 9706
Program a thermostat...

This has been working fine for ages but recently, after replacing the batteries, I find that the heating is starting up at odd hours. I cannot seem to reset it and have been unable to locate the original manual.

Asked by Elsie on 06/08/2014 0  Answer

ManualsOnline posted an answer 9 years, 11 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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