Tag: Honeywell TH4210D  Thermostat

Honeywell Pro TH4210D Programmable Thermostat  Product Application This thermostat provides electronic control of 24 VAC heat pump systems with auxiliary heat (2 heat/1 cool). Power Type Battery power Common wire Common wire with battery backup System Settings Heat, Off, Cool, Em Heat Fan Settings Auto, On Must be installed by a trained, experienced technician Read…