The 926 Board Upgrade Kit for 140M from Hot Water Products is designed to enhance the performance of your heating system. This upgrade kit includes all necessary components for a seamless installation, ensuring compatibility with the 140M model. Crafted from high-quality materials, the board is engineered for durability and efficiency, meeting industry standards for safety and performance. The upgrade provides improved functionality and energy efficiency, making it an ideal choice for those looking to optimize their hot water systems. Experience enhanced control and reliability with this essential upgrade kit.