Step1: Disconnect the equipment from electrical power before servicing to prevent shock.
Step2: Remove the control panel cover to access the existing infinite heat switch.
Step3: Label and disconnect all wires from the old switch terminals for accurate reconnection.
Step4: Remove the mounting hardware and install the new heat switch securely in place.
Step5: Reconnect the wires according to the original terminal configuration.
Step6: Restore power and test burner temperature adjustment for smooth and proper operation.