The Rinnai U245-2260-E-HX01 water heater PCB electric unit assembly helps restore accurate system control for consistent and safe hot-water operation. Serving as a key electronic control board, it manages communication between sensors, heating elements, and safety mechanisms to regulate temperature and overall system performance. By processing real-time data and sending the appropriat... https://www.hnkparts.com/u245-2260-e-hx01-rennai-pcb-elec-unit-assy-700