DescriptionThis video provides step-by-step repair instructions for replacing the high-limit thermostat on a York furnace. The most common reasons for replacing the high-limit thermostat
All of the information for this high-limit thermostat replacement video is applicable to the following brands:
York, Luxaire, Fraser-Johnson, Coleman
Step-By-Step Instructions1
To replace the high limit thermostat on your furnace first shut off the power to the furnace.
2
Next, rotate the knobs securing the combustion chamber panel and pull the panel off.
3
Now disconnect the wires from the old high limit thermostat.
4
Remove the mounting screws to release the old thermostat.
5
Install the new high limit thermostat by positioning it on the combustion chamber housing then replace the mounting screws to secure it.
6
Connect the wires to the new thermostat.
7
Reposition the combustion chamber panel and rotate the knobs to secure.
8
You’re now ready to restore power to the furnace and confirm that it’s functioning properly.