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United Plumbing & Fire Supplies

Noritz NRC661-DV-NG Indoor Condensing Tankless Water Heater (Natural Gas, 6.6 GPM)

Noritz NRC661-DV-NG Indoor Condensing Tankless Water Heater (Natural Gas, 6.6 GPM)

Regular price $1,140.00 USD
Regular price Sale price $1,140.00 USD
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Noritz NRC661-DV-NG Indoor Condensing Tankless Water Heater (Natural Gas)

The Noritz NRC661-DV-NG, also known as the NRC66DVNG, is a high-efficiency indoor condensing tankless water heater designed for small to medium-sized homes. With a maximum flow rate of 6.6 GPM and a firing range of 15,000 to 120,000 BTU/h, it provides reliable hot water on demand while maximizing energy savings.

Key Features

  • 6.6 GPM Flow Rate: Perfect for up to 2 fixtures running simultaneously, depending on climate.
  • Condensing Efficiency: Uniform Energy Factor (UEF) ~0.89 for reduced energy bills and greener operation.
  • Indoor Direct Vent: Uses PVC venting for flexible and safe indoor installation.
  • Compact & Lightweight: Only ~23.6" high and 39 lbs — easy wall-mount installation.
  • Durable Construction: Commercial-grade copper heat exchanger for long life.
  • Safety Features: Includes flame sensor, freeze protection, overheat prevention, and condensate management.

Specifications

  • Model: NRC661-DV-NG (aka NRC66DVNG)
  • Fuel Type: Natural Gas
  • Flow Rate: 0.5 – 6.6 GPM
  • Input Range: 15,000 – 120,000 BTU/h
  • UEF (Efficiency): ~0.89
  • Installation: Indoor, Direct Vent
  • Dimensions: 23.6" H × 13.8" W × 6.7" D
  • Weight: ~39 lbs
  • Connections: 3/4" NPT water & gas
  • UPC: 817000013173
  • Warranty (Residential): 12 years on heat exchanger, 5 years on parts, 1 year labor

Ideal Applications

  • Small to medium homes needing 1–2 bathrooms covered reliably
  • Indoor installations requiring direct venting
  • Homeowners looking for high efficiency and Energy Star qualification

Why Choose Noritz?

Noritz is an industry leader in tankless water heating. The NRC661-DV-NG offers an affordable, compact, and energy-efficient solution backed by an excellent warranty and proven reliability. For homes where efficiency and continuous hot water matter, this unit is a top choice.

Professional installation is recommended. Performance varies based on incoming water temperature and demand.

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