Navien NFC-250/175H Installation Manual page 144

# 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 Adapter
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 Screw (Ø4X10)
18 O-ring (V32)
19 Supply Pipe (Upper)
20 Heat Exchanger Outlet Adapter
21 Overheat Preventer
22 Temperature Sensor
23 Supply Pipe (Lower)
24 Water Pressure Sensor
25 Water Pressure Sensor Packing
26 Heat Exchanger Inlet Adapter
27 O-ring (P26)
28 Adapter Cap
29 Screw (Ø8X20)
30 Clip (Ø32)
31 Heat Exchanger Drain Cap
144 Appendixes
Service code Part #
30021656A 30021564*
30021887A 20040239*
30021887A 20040241*
30019174A 20040242*
30019174A 20042741*
30019174A 20027350*
30019174A 20042823*
30019174A 20040727*
30019174A 20029712*
30019174A 20044452*
30018511A 30015811*
- 20006685*
300220489A 30020489*
- 20006535*
- 20032409*
- 20044473*
- 20038753*
- 20048667*
- 30026106*
- 20051172*
30023954A 30023954*
30012907A 30012907*
- 30025881*
30021482A 30021482*
20006873A 20006873*
- 20051631*
- 20032409*
- 20051160*
- 20042814*
20040255A 20040255*
20042237B 20042237*
Remark