The Rheem RTG20330L Program Chip is a 160K Indoor LP chip designed for optimal performance in Rheem tankless water heaters. This chip enhances the functionality of your water heating system, providing precise control and efficiency. It is engineered to support various operational modes, ensuring that your system runs smoothly and effectively. The chip is compatible with Rheem's advanced technology, allowing for easy integration into existing systems. With its compact design, it fits seamlessly into the control board, making installation straightforward. This program chip is essential for maintaining the high performance and reliability of Rheem indoor LP water heaters.