Honeywell RTH6350 5-2 Programmable Thermostat
Universal 5/2 Programmable Thermostat with Large Backlit Display; Conventional push button programming; Retains memory in event of power outage; Smart Response Technology; Easy Access Battery Compartment; 12 or 24 Hour Clock; Celsius or Fahrenheit Temperature Display; Compatible with Single or Multi Stage Heating and Cooling, Heat Only, Cool Only, Furnace(Warm Air), Central Air Conditioning, Heat Pump without aux heat, heat Pump with aux heat, hot Water, Steam or Gravity, 750 Mill volt, Gas Fireplaces.