The Whirlpool W10825088 Defrost Heater melts frost from the refrigerator evaporator to maintain proper airflow and cooling. This replacement heater uses electrical resistance to generate heat during the defrost cycle, warming the evaporator area and removing accumulated frost. Proper frost removal keeps the evaporator clear and supports consistent temperature regulation inside the ref... https://www.partsmelange.ca/whirlpool-w10825088-defrost-heater-for-refrigerator