Step1: Disconnect power supply and shut off the dishwasher before starting.
Step2: Access the control panel and locate the existing thermostat.
Step3: Carefully remove mounting screws and disconnect the wiring terminals.
Step4: Withdraw the old sensing bulb from its holder without bending it.
Step5: Insert the new rigid bulb fully into the original mounting position.
Step6: Reconnect wires to the correct terminals and secure the thermostat.
Step7: Restore power and test the dishwasher for proper temperature control.