How to Install a Programmable Thermostat

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How to Install a Programmable Thermostat
11 Steps
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1
You're working with electricity, so cut the power at the junction box.

You're working with electricity, so cut the power at the junction box.

2
Remove the old thermostat. Take off the front plate, then disconnect the wires and mounting screws. Be careful not to let the old wires slip back into the wall.

Remove the old thermostat. Take off the front plate, then disconnect the wires and mounting screws. Be careful not to let the old wires slip back into the wall.

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3
Prep the exposed wall. Depending on the size of the new thermostat, you may have to do some touch-up paintwork on the exposed wall space.

Prep the exposed wall. Depending on the size of the new thermostat, you may have to do some touch-up paintwork on the exposed wall space.

4
Let the paint dry before mounting the new thermostat.

Let the paint dry before mounting the new thermostat.

5
Install the new thermostat.

Install the new thermostat.

6
Place the thermostat on the wall and mount it with the included screws.

Place the thermostat on the wall and mount it with the included screws.

7
Fix the wires. If necessary, cut the wires to the appropriate length.

Fix the wires. If necessary, cut the wires to the appropriate length.

8
Strip the wires.

Strip the wires.

9
Connect the wires of the new thermostat to those inside the wall. If you have any concerns which wires to connect, refer to the manufacturer-issued installation instructions.

Connect the wires of the new thermostat to those inside the wall. If you have any concerns which wires to connect, refer to the manufacturer-issued installation instructions.

10
Install the batteries.

Install the batteries.

11
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