Components - Navien NHB H Series Installation And Operation Manual

1.4 Components

The following diagram shows the key components of the boiler. Component assembly diagrams and particular
parts lists are included in the Appendixes.
Intake Air
Air Filter
PCB
Front Panel
8 About the Boiler
Exhaust Duct
Vent Installation
Detector (VID)
Air Vent Connection
Flue Duct
Pressure Sensor
(LWCO)
Power Switch