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My older Chronotherm III - installed in 1991 - is nonfunctional,
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I have a Honeywell Chronotherm III and it is giving me the
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My Honeywell Chemotherm III has worked fine for 6+ years.
My Honeywell Chemotherm III has worked fine for 6+ years. The display screen used to display the time of day and the temperature. It now displays the time of day and -AC after that. I can't get anythi… read more
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