The Rheem RTG20239CA Program Chip is specifically designed for LP gas water heaters, ensuring precise control and efficiency. This chip enhances the functionality of your Rheem system, allowing for optimal performance and energy savings. It is engineered to meet industry standards, providing reliable operation in various conditions. Easy to install, this program chip is a perfect replacement for malfunctioning units, ensuring your water heater operates at peak efficiency. Compatible with select Rheem models, it is an essential component for maintaining your system's performance.