Components - Navien NPE Installation & Operation Manual

2.5 Components

The following diagram shows the key components of the water heater. Component assembly diagrams and particular parts lists are included
in the Appendixes.
Intake Air Duct
Intake Air Filter
Dual Venturi
APS (Air Pressure Sensor)
Circulation Pump
Gas Inlet Fitting
DHW Supply Fitting
Recirculation Inlet Fitting
Fan Motor
Gas Pipe
Buffer Tank
Gas Valve
2-Way Valve
[NPE-180A/ 210A/ 240A]
Exhaust Duct
Exhaust Limit Temperature Sensor
Exhaust Body
Ignition Transformer
Burner
Primary Heat Exchanger
Secondary Heat Exchanger
Flow Sensor
Front Panel
Condensate Trap
PCB Box
Water Adjustment Valve
Water Inlet Filter
Condensate Drain Fitting
Condensate Drain Lid
About the Water Heater 9