Navien NHB-055 Installation & Operation Manual page 77

# Description
1 Heat Exchanger Assembly
O-Ring (P29)
2
O-Ring (Φ17.5x2.7t)
3 Fastener
4 High Limit Switch
5 SC Outlet Adapter
6 Thermistor
7 Fastener
8 Return Pipe
9 Supply Pipe (Lower)
10 Tee Adapter
11 Supply Pipe (Upper)
O-Ring (P25.5)
12
O-Ring (P19)
13 Air Vent Adapter
14 Return/Supply Adapter
15 Syphon
16 H-Ex Connection Adapter 1
17 Return Adapter
18 Igniter
19 LWCO (Pressure Sensor)
20 H-Ex Connection Pipe
21 H-Ex Connection Adapter 2
22 Thermistor (Exhaust)
Part # Remark
30013575A NHB-110/150
30014060A NHB-055/080
20017923A NHB-110/150
20006947A NHB-055/080
20017724A NHB-110/150
20007853A NHB-055/080
30002558A
30014032A NHB-110/150
30014067A NHB-055/080
30012907A
20030608A NHB-110/150
20017726A NHB-055/080
30013501A NHB-110/150
30013502A NHB-055/080
30013505A NHB-110/150
30013506A NHB-055/080
20030188A NHB-110/150
20030467A NHB-055/080
30013507A NHB-110/150
20030201A NHB-055/080
20030189A NHB-110/150
20017211A NHB-055/080
20030133A NHB-110/150
20031488A NHB-055/080
20030136A NHB-110/150
20030466A NHB-055/080
30014024A
20030135A NHB-110/150
20026917A NHB-055/080
30014055A NHB-110/150
30014065A NHB-055/080
30012226A
20007924A
30013503A NHB-110/150
30013504A NHB-055/080
20030138A NHB-110/150
20026920A NHB-055/080
30009478A
Appendixes 77