Does the TH1100DH/TH1110DH/TH1210DH thermostat work with heat pumps with auxiliary/backup heat?
Last updated
2/15/22
TH1100DH is for Heat Only applications. The TH1110DH and TH1210DH will work for a stand alone heat pump, and the TH1210DH will work for a heat pump with backup.
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