Navien NFB-175H Installation Manual page 131

# Description
1 Heat Exchanger Assembly
2 Drain Pan Assembly
3 Drain Pan Packing
4 Exhaust Duct (Lower)
5 Exhaust Duct Clip
6 Exhaust Duct Packing (G90)
7 Exhaust Duct Packing (P85)
8 Exhaust Duct Adaptor
9 Exhaust Duct Cap
10 Exhaust Duct Packing (Upper)
11 Air Pressure Sensor
12 Air Pressure Sensor Hose
13 Thermistor (Exhaust)
14 Screw (Ø4x6)
15 O-ring (P26)
16 Drain Pan Adapter
17 Packing (Drain Pan Adapter)
18 Screw (Ø4x10)
19 O-ring (V32)
20 Supply Pipe (Upper)
21 Heat Exchanger Outlet Adapter
22 Overheat Preventer
23 Temperature Sensor
24 Supply Pipe (Lower)
25 Clip (Ø32)
26 Heating Supply Adapter
27 Water Pressure Sensor
28 Water Pressure Sensor Packing
29 Heat Exchanger Inlet Adapter
30 Packing
31 Return Pipe
32 Bolt (Ø8x20)
33 Heat Exchanger Drain Cap
Service code Part #
30021656A 30021564*
30019173A 20040239*
30019173A 20040241*
30019174A 20040242*
30019174A 20042741*
30019174A 20027350*
30019174A 20042823*
30019174A 20040727*
30019174A 20029712*
30019174A 20044452*
30015811A 30015811*
- 20006685*
30020489A 30020489*
- 20006535*
- 20032409*
- 20041181*
- 20041449*
- 20038753*
- 20048667*
- 30026106*
- 20051172*
30023954A 30023954*
30012907A 30012907*
- 30026105*
20040255A 20040255*
- 20051173*
30021482A 30021482*
20006873A 20006873*
- 20040246*
20048670A 20048670*
30019175A 30019175*
- 20042814*
20042273B 20042237*
Remark
Appendixes 131