Step1: Disconnect power and unplug unit; allow oven to cool completely for safety.
Step2: Remove control panel to access old thermostat assembly carefully.
Step3: Carefully detach sensing bulb and capillary tube from clips.
Step4: Install new thermostat in same mounting position and secure it.
Step5: Route bulb into oven cavity without kinks or sharp bends.
Step6: Reconnect wiring terminals securely according to original connections.
Step7: Restore power and test temperature control; verify safe operation.