Description
The Navien Tankless Water Heaters 20049517A Adapter Second Heat Exchanger Inlet is used to connect the secondary heat exchanger inlet section within compatible tankless water heater assemblies. The NPE-2 identifies its compatibility with designated series units, while the adapter configuration supports proper routing between connected internal components. Commonly applied in water heating and HVAC systems, this part is positioned between inlet connections to maintain controlled water flow through the secondary heat exchanger section. Its structure assists with maintaining correct alignment, stable circulation, and proper connection within compatible tankless water heater equipment.
