Frigidaire 218169802 Refrigerator Defrost Heater

218169802 Defrost Heater for Frigidaire Refrigerator allows the area to be defrosted without the formation of frost and ice on the evaporator coils by supplying a regulated amount of heat to the evaporator coils during the defrost process. It serves as a resistive heating wire which heats the coil surfaces at regular intervals, melting the build-up ice and ensuring that there is adequate airflow to do efficient cooling. This heater will be placed on the evaporator assembly.