Navien NHB-055 Service Manual page 137

# Description
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)
Version 1.0
Part # Remark
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
NHB Service Manual 137