The 926 Upgrade Kit from Honeywell is designed for the 140MH model, ensuring optimal performance and efficiency in hot water systems. This kit includes essential components that enhance the functionality of your hot water system, making it a reliable choice for both residential and commercial applications. The upgrade is compatible with various hot water systems, providing seamless integration and compliance with industry standards. With easy installation and durable materials, this upgrade kit is a must-have for maintaining your hot water system's efficiency.