Navien NPN Installation & Operation Manual page 63

# Description
1 Case
2 Case Bracket
3
4 Rubber Ring
5
6 Junction Box
7 Front Cover Bracket
8 External Base Toggle Latch
9 Gas Control Valve
10 Air Pressure Sensor
11 Pipe Clip
12 Front Panel
13 Front Panel Bracket
14 Pipe Cap
15 Rubber Seal Plug
16 PCB
17 External Cover
18 Anti-Freeze Sensor Assembly
62 Appendixes
Service Part # Part #
20047112*
20046059*
20048190*
20006973*
20025127*
20029318*
20046065*
20024042*
20007514*
30022125A 30022700*
30010238B 30010238*
20045992A 20045992*
30022765B 30022765*
20045994*
20012835*
20036041*
30022789C 30022789*
30025042A 30022752*
30024489*
Remark
120E/160E
180E/199E