Navien NHB Series Installation & Operation Manual page 121

# Description
Case Upper
(SET) Case Upper
1 Case Middle
Case Lower
(SET) Case Lower
Cover
2
(SET)Cover
3-1 Main PCB
3-2 Terminal PCB
4 Front Panel
5 Exhaust Duct Assembly
6 Intake Air Duct Assembly
7-1 Air Filter Case
7-2 Air Filter
8 PCB Lower Bracket
9 Rubber Ring
10 24 V Power Transformer
11 Heating Supply Adapter (Air Vent Adapter)
12 Base Packing
13 Drain Pan Adapter Lower Bracket
14 Handle
15 Air Pressure Sensor
Part # Remark
20042573A
30023701A NFB-301C SERVICE KIT
20042572A
20042571A
30023702A NFB-301C SERVICE KIT
30020590A
30023383A NFB-301C SERVICE KIT
30020431A
30020433A
30019786A
30020520A
30020519A
20046047A
20046201A
20040181A
20041970A
30019688A
20043650A
20042901A
20043583A
20044467A
30013265A
Appendixes 121