Replaced a Lennox Stat with a Honeywell Digital Non Programmable RTH3100C and the heat won't come on. O? - rth3100c
Only blows cold air
Monday, February 8, 2010
Rth3100c Replaced A Lennox Stat With A Honeywell Digital Non Programmable RTH3100C And The Heat Won't Come On. O?
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