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2.5 Components
The following diagram shows the key components of the water heater. Component assembly diagrams and
particular parts lists are included in the Appendixes.
Ignition Transformer
Buffer Tank
Recirculation Pump
APS (Air Pressure Sensor)
DHW Supply Fitting
Recirculation Inlet
Adapter
[NHW700-160AI/180AI/199AI]
For Indoor Use Only
Intake Air/Exhaust Duct
Condensate Drain
Stainless Steel Heat
Exchanger
NaviTech
Burner
TM
Fan Motor
Front Panel
PCB
Gas Valve
Water
Adjustment Valve
Water Inlet Filter
Gas Inlet Fitting
About the Water Heater
9
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