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NHW-199AE

premium Non-Condensing Tankless Water Heater

  • Built-in recirculation pump & buffer tank
  • NaviTech stainless steel heat exchanger and burner
  • Exterior unit for outdoor installations
  • Available in NG or LP
  • Cascading capable
  • Low NOx emissions (20ppm)
Navien NHW-199AE non-condensing outdoor tankless water heater
NHW-199AE certifications
  • Built-in recirculation pump & buffer tank
  • NaviTech stainless steel heat exchanger and burner
  • Exterior unit for outdoor installations
  • Available in NG or LP
  • Cascading capable
  • Low NOx emissions (20ppm)
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NHW-199AE premium features and benefits

Nhw-ae open insidestory
Exchanger

Exclusive NaviTech™ stainless steel heat exchanger
The NWH-A series non-condensing tankless water heaters feature a stainless steel heat exchanger to deliver unmatched durability and performance.

Pump2

ComfortFlow® built-in recirculation system
The patented ComfortFlow® system is the first to include a buffer tank, recirculation pump and fine-tuned controls into a tankless water heater.

Control-panel-ae

NHW-A built-in control panel
Allows you to adjust water temperature, operation status and troubleshooting.

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Aps

Built-in Air Pressure Sensor (APS) Monitors vent system for blockage, automatically compensates for range of vent lengths, helps maintain proper air/gas ratio during operation, and ensures consistent hot water output during changing conditions.

Burner

Patented NaviTech™ stainless steel gas burner
Designed and manufactured by Navien to burn gas at higher efficiency than other system on the market.

Board

Recirculation control built into circuit board
Ensures proper system setup, and reduces the need for additional components, saving installation time and cost.

Wav

Built-in Water Adjustment Valve (WAV) & Mixing Valve
Control flow to maintain setpoint and stabilize water temperature during flow changes.

NHW-199AE QuickFacts

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