- 1). Turn off the power to the furnace by turning off the breaker in the circuit breaker panel.
- 2). Remove the existing wall thermostat by gently pulling it off until it unsnaps from the wall plate. You may need to remove a few screws before it will pull off the wall plate.
- 3). Disconnect all the thermostat wires from the thermostat and label them according to which terminal they connected to. Remove the wall plate from the wall.
- 4). Mount the wireless thermostat receiver wall plate to the wall with drywall anchors and screws.
- 5). Connect the thermostat wires to the terminals on the wireless thermostat receiver. Connect them up to the appropriate terminals.
- 6). Mount the receiver to the wall plate by pushing it on until it snaps into place, or tighten screws as required.
- 7). Turn the power back on to the furnace.
- 8). Put batteries in your wireless thermostat and turn it to your desired setting. When the thermostat calls for heating or cooling, your furnace should run.