The Frigidaire 218169802 Defrost Heater for Refrigerator helps prevent frost buildup and supports consistent cooling performance. It is a replacement heating component designed to melt ice and frost that can accumulate on the evaporator coil during normal refrigerator operation. When the defrost cycle activates, the heater warms the surrounding area, allowing built-up frost to melt an... https://www.partsmelange.ca/frigidaire-218169802-defrost-heater-for-refrigerator