Tag: RTH111B Thermostat

Honeywell Home RTH111B Non-Programmable Thermostat  Read and save these instructions. For help please visit yourhome.honeywell.com Identify System Type This thermostat is compatible with the following systems: Gas, oil or electric furnace Central air conditioner Hot water system with or without pump Millivolt system Central heating and cooling system Heat pump without auxiliary/backup heat Do you need…