Navien NPN Installation & Operation Manual page 70

# Description
1 Heat Exchanger Inlet Adapter
2 Heat Exchanger Outlet Adapter
3 Outlet Temperature Sensor
4 High Limit Switch
5 Inlet Pipe
6 Outlet Pipe
7 Mixing Pipe
8 Pipe Clip
9 Hot Water Supply Adapter
10 Drain Cock
11 DHW Outlet Temperature Sensor
12 Mixing Valve
13 O-Ring
14 Water Adjustment Valve
15 Direct Water Intel Adapter
16 DHW Outlet Temperature Sensor
Service Part # Part #
20045990A 20045990*
20045991A 20045991*
30015178A 30015178*
30002577A 30002577*
30022890A 30022890*
30022711A 30022711*
30022891A 30022891*
30022712A 30022712*
30022892A 30022892*
30022713A 30022713*
20045992A 20045992*
30023810*
30008630D 30008630*
30015178A 30015178*
30022124A 30022124*
20006947A 20006947*
30022123A 30022123*
30022708A 30022708*
30008366A 30008366*
Remark
120/160
180/199
120/160
180/199
120/160
180/199
Appendixes 69