The Thermal Switch (Rheem AP13911) is a critical safety component for water heating systems, designed to prevent overheating. This switch operates at specific temperature thresholds, ensuring that the system remains within safe operating limits. Made from high-quality materials, it offers reliable performance and durability. The compact design allows for easy installation in various Rheem water heater models, making it an essential part of maintaining system efficiency and safety. Compliance with industry standards ensures that this thermal switch meets rigorous safety requirements.