Noritz NC1991-DVC-NG Indoor Concentric Vent, LowNOx Maximum 199,900 BTU per Hour, 9.8 Gallons Per Minute Tankless Water Heater

- Item #: BCI1999919

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  • Hard Water Treatment Recommended

NC1991 Collection Indoor Concentric Vent, LowNOx max. 199,900 BTU per Hour, 9.8 Gpm

The NC1991-DVC-NG is a lowNOx direct vent natural gas tankless water heater, ideal for mid-size residential settings with up to 4 showers. Posing more power than any tankless water heater in its class, the NC1991 series offers innovations such as quick-connect installation, freeze protection and high elevation adjustment to put it a step ahead of its competitors. Its turbo flow and dual flame burner combine to enable large amounts of hot water with minimal temperature fluctuations so you can continue to utilize hot water without the worrying it's going to run out. When combined with Noritz's N-Vent stainless steel ventilation system, you can utilize the NC199 in just about any location, helping save space, water energy and money while enjoying endless hot water.

Direct Vent: The NC1991 direct vent tankless water heater enables your system to be installed in tight spaces indoors without the worry of combustion. Coupled with Noritz's own stainless steel N-Vent venting system, this tankless water heater requires little space, as it draws and expels its air from outside. The quick connect system also enables multiple heaters to be connected and run by the same controller system for increased hot water demands. All of this functionality and efficiency are seamlessly controlled by a self-diagnostic computer system and digital remote, making it simple enough for anyone to use.


  • High-efficiency low Nox Eco-Burner reduces emissions
  • Natural gas tankless hot water heater
  • Quick-Connect 6 unit system capabilities
  • Temperature settings: 100-180?F with dual flame burner to reduce fluctuations
  • Thermal efficiency: 84%
  • Self-diagnostic computer system for efficient maintenance
  • Turbo flow: Up to 9.8 GPM @ 35 degree temperature rise
  • Automatic overheat protection system and air regulator
  • Resin coated PC board helps protect system
  • Includes anchoring screws

Introducing the latest advancements in tankless water heater technology for your home, Noritz tankless hot water heaters are both eco-friendly and energy efficient, providing savings up to 40% in utility costs. Their gas water heaters warm water on demand, which means you'll always have hot water and it will never run out.

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Our SKU: Noritz NC1991-DVC-NG

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  • Noritz NC1991-DVC-NG
    Natural Gas

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