Navien NFC-175 Installation & Operation Manual page 121

# Description
11 Fastener (19.7)
12 O-Ring (P14)
13 O-Ring (P16)
14 O-Ring (P18)
15 Heating Return Adapter Filter
16 O-Ring (P25)
17 Cap
18 DHW Temperature Sensor (Red)
19 3-Way Valve Body
20 Mixing Adjust Valve
21 DHW Outlet Adapter
22 Heating Supply Adapter
23 DHW Connection Elbow
24 DHW Temperature Sensor (Black)
25 Fastener (36)
26 O-Ring (P28)
27 O-Ring (P22)
28 O-Ring (P26)
29 Block Plate
30 DHW Inlet Adapter
31 Fastener (27)
32 Screw (M4×12)
33 Screw (M4×10)
34 Block Plate Packing
35 DHW Inlet Adapter Packing
36 DHW Outlet Adapter Packing
37 Heating Return Adapter Packing
38 Heating Supply Adapter Packing
39 Plate Heat Exchanger Packing
40 DHW Inlet Adapter Filter
41 O-Ring (P19)
42 Mixing Valve Manifold
43 3-Way Valve Motor
44 3-Way Valve Clip
45 Circulation Pump Packing
46 Circulation Pump
47 Fastener (8)
48 O-Ring (P8)
49 Water Supplement Pipe
50 Check Valve
51 Water Valve
52 Fastener (16)
53 Water Supply Adapter
Part #
20007733B
20011438A
20017210A
20006947A
30014682A
20032528A
20017744A
30015178A
30022588A
30011532A
20044487A
20044489A
20025962B
30022222A
20017724A
20022142A
20018011A
20032409A
20044475A
20044701A
20017726A
20041461A
20038757A
20045394A
20045393A
20045395A
20045397A
20045396A
20035234B
30008171A
20017211A
20044482A
30021775A
20045768A
20044484A
30021636A
20034617A
20006963A
30021875A
30015223A
30016037A
20007736B
20044486A
Remark
Appendixes 121