Navien NCB-180 Installation & Operation Manual page 71

10.4.3 Waterway Assembly
35
19
13
34
33
# Description
1 DHW Heat Exchanger
2 Thermistor
3 O-Ring (P18)
4 DHW Outlet Elbow
5 Packing
6 Thermistor
70 Appendixes
31
35 19
18
23
24
25
20
3
26
19
21
35
22
27
35
19
30
30
3
32
21
22
3
2
A
14
15
16
17
29
28
24
19
3
3
36
A
2
Part #
30008181A
30005017A
30008366A
20006954A
30012328A
20006852A
30008366A
1
2
3
4
6
2
3
6
11
12
Remark
NCB-180
NCB-210/240
8
9
10