Honeywell TH6220D Support Question
Honeywell TH6220D Support Question
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Question posted by ntlboulder on January 11th, 2012
I Have A Thermostat That Has Been Working Quite Well. It Has A 2 Degree Deadban
Tonight the temp outside is supposed to go to 5 degrees. the current temp is 15. Instead of the heat coming on, the inside temp has been going down for the last 2 hours. Any ideas?
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