This Burnham Commercial High Limit Manual Reset Card is a safety device designed for use in commercial heating systems. It functions as a critical component in monitoring and controlling the temperature within the system. When the temperature exceeds a predetermined high limit, the card automatically shuts off the system to prevent overheating. This manual reset version requires an operator to physically reset the system once it has cooled down, ensuring that potential issues are addressed before operation resumes. The card is compatible with various models of Burnham Commercial heating systems and is made from durable materials for long-lasting performance.