Customer Questions and Answers for Air Conditioner High Limit Thermostat by Ge

This high limit thermostat is a safety device that monitors the heating element temperature in a room air conditioner with a built-in heater. It shuts off the heater if the temperature exceeds a safe threshold, preventing overheating and potential fire hazards. Replace this thermostat if the heater stops working, cycles erratically, or if the unit shuts off unexpectedly during heating mode.