Honeywell PRO TH1110D2009 T1 Non-Programmable Thermostat

  The Honeywell TH1110D2009 T1 Pro non-programmable thermostat for 24 Vac systems, single stage heat and cool systems. Single stage heat pumps without aux heat. T1 Pro Push-button programmable Flexible scheduling non-programmable Battery or C-wire Display size: 2.37 sq. in.