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Noritz NRC661-DV Indoor Condensing Direct Tankless Hot Water Heater 6.6 GPM

by Noritz
In stock
In stock
Original price $1,052.69 - Original price $1,052.69
Original price
$1,052.69 - $1,052.69
Current price $1,052.69
Fuel Type: NG

The ENERGY STAR rated NRC661, Noritz’s newest efficient condensing model with a half inch gas line. Featuring the same energy-saving condensing technology as the rest of the Noritz eco-TOUGH™ Series of gas-fired residential tankless water heaters, the NRC661 has an Energy Factor of 0.91 for natural gas and 0.93 for LP. These ratings are nearly 10 points higher than that of a comparably sized, conventional tankless unit, and approximately 30 points higher than a standard, tank-type gas-fired water heater.

With a maximum input of 120,000 BTU per hour (BTUh), using a half-inch gas line up to 120 feet in length. A new, more accurate interpretation of the National Fuel Gas Code permits the use of the smaller-diameter gas piping for inputs up to 174,000 BTUh, as long as the water column pressure at the inlet of the unit is a minimum eight inches.

  • Endless hot water
  • Can be vented with Schedule 40 PVC Pipe and Fitting
  • High Efficiency
  • Low Nox
  • 6' power cord included
  • Minimum 15,000 to Max 120,000 BTUh
  • .89 Uniform Energy Factor
  • 0.5 to 6.6 GPM


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Noritz NRC661-DV Indoor Condensing Direct Tankless Hot Water Heater 6.6 GPM