Navien NFB Series Installation & Operation Manual page 111

# Description
1 Fan Assembly
2 Venturi Packing
3 Dual Venturi
4 Intake Pipe
5 Orifice Packing
6 Gas Orifice
7 O-ring (P34)
8 Gas Connector (Upper)
9 O-ring (P20)
10 Gas Connector Adapter
11 Gas Valve
12 Gas Pipe
13 Fastener
14 Fan Packing
15 Fan Damper
16 Flame Rod
17 Flame Rod Packing
18 Igniter
19 Igniter Packing
20 Flame Inspection Window (Upper)
21 Flame Inspection Window (Lower)
22 Flame Inspection Window (Graphite Packing)
23 Flame Inspection Window (Glass)
24 Packing (Graphite)
25 Burner Packing
26 Burner
27 Ignition Transformer Bracket
28 Ignition Transformer
29 Burner Temperature Fuse
30 Packing (Graphite)
31 Screw (M4X12)
32 Gas Inlet Adapter
33 Packing (EVA)
34 Screw (M4X10)
35 (SET) Igniter
36 (SET) Flame Rod
37 (SET) Flame Inspection Window
Part # Remark
30019668A NFB-200
30019106A NFB-175
20018079A
30017402A
30019120A
20022660A
20041039A NFB-200 (NG)
20041037A NFB-175 (NG)
20041040A NFB-200 (LP)
20041038A NFB-175 (LP)
20019090A
20042238A
20006934A
20042238A
30011586A
30019180A
20007878A
20042399A
30008825A
30019166A
20040230A
30019165A
20040229A
20040231A
20040232A
20043399A
20040236A
20040233A
20040228A
20040226A
20041154A
30019980A
30020776A
20040234A
20006390A
20042244A
20023581A
20038758A
30021275A Includes Igniter and Packing
30021274A Includes Flame Rod and Packing
30021277A Includes Upper/Lower/Glass and Packing
Appendixes 111