Tankless water heaters offer incredible efficiency, but they require expert maintenance to keep running at peak output. This Blue House Road unit needed a thorough descaling service to remove calcium buildup from the heat exchanger. We flushed the system with a specialized solution, checked all electrical connections and gas lines, verified proper venting, and recalibrated the temperature settings. The unit is now delivering endless hot water with maximum energy efficiency. Understanding how your water heater plumber maintains these sophisticated systems helps you appreciate the value of professional service.