Components - Navien NPE-180A2 Installation 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
Fan Motor
Dual Venturi
Gas Pipe
Air Pressure Sensor
(APS)
Buffer Tank
Circulation Pump
Gas Valve
2-Way Valve
DHW Supply Fitting
Gas Inlet Fitting
Recirculation Inlet
Fitting
[NPE-180A2/ 210A2/ 240A2]
Exhaust Duct
Vent Installation
Detector
Exhaust Limit
Temperature Sensor
Exhaust Body
Burner High Limit Fuse
Ignition Transformer
Burner
Igniter/Flame Rod
Primary Heat
Exchanger
Secondary Heat
Exchanger
Flow Sensor
Front Panel
Condensate Trap
PCB Box
Water Adjustment
Valve
Water Inlet Filter
Condensate Drain
Cap
About the Water Heater 9