Question posted by pgman27 on May 31st, 2010

Anybody Has A Honeywell Rtc8100a Thermostat Manual?

I need to reset my thermostat and its schedule

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Answer #1: Posted by gtrseller on January 31st, 2011 9:00 AM
gtrseller

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I discovered that it is the same as the RTH2520 model.  Why Honeywell does not tell you that is a mystery to me.

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