The Rheem RTG20298C Water Inlet Sensor is a crucial component for the efficient operation of Rheem tankless water heaters. This sensor monitors the temperature and flow of water entering the unit, ensuring optimal performance and energy efficiency. Constructed with high-quality materials, it is designed for durability and reliability in various conditions. The sensor is easy to install and compatible with a range of Rheem models, making it an ideal choice for both new installations and replacements. By ensuring accurate readings, this sensor helps maintain the efficiency of your water heating system, contributing to lower energy costs.