Step1: Turn off power and gas supply to appliance and allow unit to cool completely before servicing for safety.
Step2: Remove control panel and disconnect existing thermostat wiring, labeling terminals for correct reinstallation reference.
Step3: Install new thermostat, align mounting position, and ensure proper sensor placement in control area.
Step4: Reconnect wiring to correct terminals and tighten all connections securely in place.
Step5: Restore power, test temperature response, and check better stable operation before use.