Navien CH-180, Service Manual, Page: 19 / 155

© Navien Ameri c a I n c . 20 1 0 CH series servi c e Manua l
17
Version 1 .0
2.2. Layout and Key Components
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No
14
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Description
Intake Air Duct
Fan Motor
WPS
DHW Heat Exchanger
S/H Strainer
Motorized 3-Way Valve
Circulation Pump
S/H Supply Adaptor
S/H Return Adaptor
PCB Board
DHW Cold Water
Inlet Adaptor
Auto Feeder Valve
Main Gas Valve
Description
DHW Flow Sensor
Syphon
Transformer
Gas Pressure Sensor
Gas Pipe
Secondary Heat Exchanger
Primary Heat Exchanger
APS Venturi
Burner
Ignition Transformer
Air Pressure Sensor
Exhaust Duct
Exhaust Pipe
Navien Part No.
AASS9EXFS002
BH2501442C
BH1205011A
NASS9EXGPS01
BH2546021A
-
-
BH2501413A
PABNCW48KDBN_002
BH1201045A
NASS9EX00009
BH2544007D
BH2505401B
Navien Part No.
BH2505400B
NAFA9GSFB002
BH2507535A
PAS30KHE_005
BH1301020C
AAVC9EX00009
NAPU9GLPCT10
BH2507551A
BH2507551A
NACR1GS32301
BH2507396A
BH0904011A
BH0901018A