The Whirlpool WP2315530 Defrost Heater melts frost and ice buildup from the refrigerator’s evaporator coil to maintain proper cooling performance. This electrical heating component operates during the refrigerator’s automatic defrost cycle, warming the evaporator area to remove accumulated frost. The melted water is then directed through the defrost drain system, helping prevent ice f... https://www.partsmelange.ca/whirlpool-wp2315530-defrost-heater-for-refrigerator