Navien NHB Series, Installation & Operation Manual

Page: 127 / 135

127 Appendixes
# Description Part # Remark
1
Heat Exchanger Assembly 30021566A
(SET) Heat Exchanger Assembly 30023357A NFB-399C SERVICE KIT
2 Drain Pan Assembly 30020580A
3 Supply Pipe (Upper) 30020996A
4 Packing 20043332A
5 Heat Exchanger Outlet Adapter 20043652A
6 Supply Pipe (Lower) 30020596A
7 Fastener 20040255A
8 Supply/Return Pipe (Lower) Adapter 20043268A
9 LWCO (Pressure sensor) 30022672A
10 LWCO (Pressure sensor) Packing 20006873A
11 Heat Exchanger Inlet Adapter 30020994A
12 Return Pipe (Lower) 30020993A
13 Thermistor 30012907A
14 Return Pipe (Upper) 30020585A
15 Drain Pan Packing 20040241A
16 Exhaust Duct (Lower) 20040242A
17 Exhaust Duct Clip 20042741A
18 Exhaust Duct Packing (G90) 20022326A
19 Exhaust Duct Packing (P85) 20042823A
20 Exhaust Duct (Upper) 20042575A
21 Exhaust Duct Cap 20029712A
22 Exhaust Duct Packing (Upper) 20043021A
23 Thermistor (Exhaust) 30020489A
24 Heat Exchanger Drain Cap 20042237A
25 High Limit Switch 30002558A
26 O-ring (V32) 20041403A
27 O-ring (P38) 20023413A
28 O-ring (P34) 20042298A
29 Drain Pan Adapter 20043016A
30 Drain Pan Adapter Packing 20043017A
31 Screw (M4X10L) 20038753A
32 Screw (M4X20L) 20042814A
33 Bolt (M4X10L) 20038757A