Step1: Disconnect power or gas supply to the equipment before servicing for safety.
Step2: Pull the old dial straight off the control shaft or loosen retaining hardware if equipped.
Step3: Inspect the thermostat stem for damage, grease buildup, or looseness before installation.
Step4: Align the new dial with the shaft flat and press firmly into place.
Step5: Verify smooth rotation through temperature settings and confirm accurate alignment with indicator markings.
Step6: Restore power and test temperature control operation.