The Turbo Air 30227Q1200 Freezer Defrost Sensor helps monitor temperature during the freezer defrost cycle for consistent cooling performance. This sensor is a replacement component designed to detect temperature changes within the freezer system and provide readings to the control system. As temperatures change during operation and defrosting, the sensor responds accordingly, allowin... https://partsfe.ca/sensorfreezedefrost-for-turbo-air-part-30227q1200