Answer Lazar, You will want to pull the unit out from the wall. Make sure that the unit is unplugged and water shut off. You will then remove the cover that is over the back of the control panel. Once removed the take the knob of the temp switch, unplug the connector and rotate the temp switch to remove. There should be a locking tab that you lift to turn the switch. Read More... Answered by AppliancePartsPros.com | Thursday, August 8, 2019