Navien 199,900 BTU Condensing Tankless Gas Water Heater

The Navien 199,900 BTU condensing tankless gas water heater offers money and energy savings over tank type water heaters through increased efficiency. Featuring two Stainless Steel Heat Exchangers provide longer life expectancy as they are highly resistant to corrosion and erosion compared to copper heat exchangers.

  • Ultra condensing efficiency
  • NPE models allow for easy convertibility from NG to LP
  • Low NOx emissions (≤ 20ppm)
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SKU: NAV-199-G-NPE-240A Categories: ,

Water Heater Description

The Navien 199,900 BTU condensing tankless gas water heater features new metal fiber burner is designed to deliver a consistent air/gas mixture improving combustion efficiency. The negative pressure gas valve and fan with dual venturi operation allows for better adaptability to low gas pressure applications. Intelligent preheating technology recognizes hot water usage patterns to intelligently provide hot water when needed.

Manufacturer SKU: NPE-240A

Manufacturer PDF: [2]_Navien NPE Spec Sheet.pdf

Water Heater Specifications




Natural Gas


Tankless (whole house)

BTU Input (british thermal units)


Ignition Type

Direct Spark Ignition

Energy Star


Water Heater Warranty will honor all warranties in accordance with manufacturer policies and procedures. Manufacturer warranty issues should be addresses directly with the manufacturer.

Residential Heat Exchanger 15 years, Parts 5 years, Labor 1 year

Commercial Heat Exchanger 8 years, Parts 3 years, Labor 1 year