Components - Navien NCB-700-2S+/42K Service Manual

2.2 Components

The following diagram shows the key components of the boiler. Component assembly diagrams and particular parts lists are included in
the Appendices.
Fan & Motor
Front Panel
NCB700-2S+/42K
Flue Duct
Ignitor & Flame Rod
PCB
Circulation Pump
Condensate Trap
Product Information 13