Noritz NCC1991-DV-NG 199,900 BTU Commercial Condensing Indoor LowNOx Direct Vent Natural Gas On Demand Tankless Water Heater

- Item #: BCI1999887

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  • Hard Water Treatment Recommended
  • Adapter Recommended

NCC199 Collection 199,900 BTU Commercial Condensing Indoor Direct Vent

The NCC1991-DV-NG is the next generation in commercial tankless hot water heater systems. This condensing natural gas heater utilizes a dual heat exchange of stainless steel and copper, using their strengths to enable a tankless water heater to perform at an efficiency level of 93%, while reducing carbon dioxide output and lowering exhaust temperatures. Not only will you be saving the usual space, time and energy you expect from Noritz tankless heaters, but the venting accessories now save you even more money as the NC1991 is PVC compatible. The versatility of the NC series quick connect system and ease of use and maintenance with freeze protection, elevation adjustment, and system remote controller remains intact, so you sacrifice nothing with the NC1991 condensing unit.

Direct Vent: The NCC199 direct vent tankless water heater (condenser) enables your system to be installed in tight spaces indoors without the worry of combustion. Now, with the stainless steel and copper dual heat exchanger system, you can use PVC to safely vent the exhaust enabling you to save big on tankless water heater accessories. 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, ensuring there is always perfect non-varying hot water for everyone to enjoy.


  • Natural condensing gas tankless hot water heater with new LowNOx
  • Quick-Connect 24 unit system capabilities
  • Dual flame burner to reduce temperature fluctuations
  • Thermal efficiency: 93%
  • Self-diagnostic computer system for efficient maintenance
  • Turbo flow: Up to 8.4 GPM @ 45 degree Fahrenheit temperature rise
  • Recirculation compatible
  • Compatible with PVC venting (adapter required)
  • Includes remoter controller and cord, and 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 NCC1991-DV-NG

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  • Noritz NCC1991-DV-NG
    Natural Gas

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