Np Model - Navien NP-180 Service Manual

4.1.3. NR Model
Hot water
supply
©Navien America Inc. 2010
Cold water Fuel gas
supply inlet
28
NR/NP series service Manual
Exhaust pipe
Intake air duct
Fan motor
Manifold
Burner
Primaty H/E
Bypass Mixing v/v
Water adjustment v/v
Secondary H/E
Flow sensor
2-Way v/v
Main gas v/v
Version 2.0