The defrost bi-metal thermostat, identified by part number 242303201, is employed in refrigerators produced by Electrolux, Gibson, Tappan, and Sears-Kenmore. Its primary function is to regulate the evaporator's temperature, preventing overheating during the defrost process.
Prior to replacing this component, it is advisable to securely store all perishable goods and disconnect the refrigerator from its power source. For safety, wearing protective gloves is recommended while performing the replacement.