The Frigidaire 318004902 thermal switch helps regulate temperature and protect your range from overheating during operation. Designed as a replacement safety component for compatible ranges, it works by monitoring heat levels within the appliance and interrupting electrical flow if temperatures exceed safe operating limits. This function helps support consistent performance while reducing the risk of heat-related damage to internal components. Replacing a faulty thermal switch can help restore proper temperature control, improve appliance reliability, and support safer cooking operation.