- Ensure all mains are turned off for the HVAC system.
- Remove the thermostat casing.
- Remove all wiring connected to the thermostat.
- Carefully remove the thermostat, ensuring the holder is not damaged.
- Install the new thermostat into the holder.
- Connect the wiring with the thermostat.
- Ensure that the new thermostat works.
- Ensure that the HVAC system works.
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Keywords: Thermostat, HVAC