Tag: RTH110B

Honeywell RTH110B Non-Programmable electronic Thermostat Introduction The RTH110B non-programmable thermostat can be used to control: a gas, fuel oil or electric furnace – 2 or 3 wires a central air conditioner – 2 or 3 wires a hot water system with or without pump – 2 wires a millivolt system – 2 wires a central…