Navien Tankless Water Heaters 30030359A 3-Way Valve NCB-H

The Navien 30030359A 3-Way Valve functions as a component in Navien NCB-H series tankless water heaters for HVAC systems. The unit depends on this valve to redirect water flow. The device functions to regulate water movement between the hot water system and the heating circuit in combination models. The water heater system can choose between hot water delivery and space heating or it can deliver both services at the same time. The device delivers two advantages: it optimizes water flow for better efficiency and it ensures hot water availability for user comfort. The device allows Navien combi-boilers to operate in various ways.