The Whirlpool WP61006116 Defrost Heater & Thermostat Assembly helps prevent excessive frost buildup inside a compatible refrigerator’s evaporator area. The heater melts accumulated frost during the automatic defrost cycle, while the thermostat monitors the temperature and helps regulate the heating process. Together, these components support proper airflow through the cooling system a... https://www.partsmelange.ca/whirlpool-wp61006116-heater-and-thermostat-assembly-for-refrigerator