Navien NHB Series Installation & Operation Manual page 132

# Description
1 Fan Assembly
2 Fan Packing
3 Fan Adapter
4 Fan Adapter Packing
Dual Venturi
5
(SET) Dual Venturi
6 Orifice Packing
7 1 Stage Gas Orifice
8 2 Stage Gas Orifice
9 Gas Connector Packing
10 Gas Connector (Upper)
11 Fastener
12 O-ring(P24)
13 Gas Connector Adapter
14 Gas Valve Packing (NBR)
15 Gas Valve
16 Gas Valve Bracket
17 Gas Pipe
18 Gas Inlet Adapter
19 Gas Inlet Adapter Packing
20 Intake Pipe
21 Fan Outlet Packing
22 Fan Damper Body
23 Fan Damper
24 Fan Damper Body Packing
25 Chamber
26 Packing (Graphite)
132 Appendixes
Part # Remark
30020992A
20043751A
20043334A
20043335A
30020801A
30023380A NFB-399C SERVICE KIT
20042788A
20042789A NFB-399C (NG)
20044123A NFB-399C (LP, High Altitude Nozzle)
20046182A NFB-399C (NG, High Altitude Nozzle)
20042790A NFB-399C (NG)
20044125A NFB-399C (LP)
20046183A NFB-399C (NG, High Altitude Nozzle)
20046184A NFB-399C (LP, High Altitude Nozzle)
20042800A
20043187A
20017724A
20010285A
20043188A
20043333A
30020034A
20043584A
30020595A
20042667A
20043887A
30020599A
20043320A
20043152A
20042952A
20043153A
20042538A
20045022A