The High Limit Switch - 221 is a critical safety component designed for use in heating systems. Manufactured by Noritz America Corp, this switch is engineered to monitor temperature levels and prevent overheating, ensuring safe operation of your equipment. With a reliable design, it meets industry standards for safety and performance. The switch features easy installation and compatibility with various heating models, making it a versatile choice for both residential and commercial applications. This high limit switch is essential for maintaining the safety and efficiency of your heating system.