Navien NFC-175, Installation & Operation Manual

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