Navien NCB-180 Installation & Operation Manual page 12
Combination boiler
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Also See for NCB-180:
- Service manual (149 pages) ,
- User's information manual (26 pages) ,
- Quick installation manual (4 pages)
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Fan & Motor
Dual Venturi
High Limit Switch
Air Pipe
Gas Pipe
APS
Air Vent
Circulation Pump
3-Way Valve
Space Heating
Supply
Space Heating
Return
Ignition Transformer
Premix Burner
Primary Heat Exchanger
Secondary Heat Exchanger
Pressure Sensor (LWCO)
DHW Heat Exchanger
Gas Valve
Flow Sensor
DHW Inlet Filter
(with built-in flow restrictor)
DHW Inlet
DHW Outlet
About the Boiler
11
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