Check that your system is off
Step 3
Remove your old thermostat from the wall plate
Step 4
Confirm your system is off by turning on your heat ( during winter ) or your AC ( during
summer ). Wait a few minutes—you should not feel air coming from your vents.
NOTE :
If you have a digital
thermostat that has a
blank display, skip this
step.
Most thermostats allow you to remove the main unit and provide
access to a wall plate which holds the wiring terminals, you can
take off the thermostat by grasping and gently pulling. Some
thermostats may have screws, buttons, or clasps.
NOTE :
Do not remove any wires from your thermostat at
this time!
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