The Rheem Display Control Wiring Harness, part number RTG20319AE, is a vital component for Rheem tankless gas water heater systems. This specialized harness connects the display control panel to the internal electronic components, facilitating communication and control over the unit's operation. Engineered for seamless integration and durability, it ensures reliable performance of the display system. Specifically designed for Rheem units, this wiring harness guarantees optimal functionality, providing convenient and intuitive control over the water heating system.