NRC661A-DV-NG

Noritz NRC661-DV-LP Tankless Water Heaters

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.

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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.

Noritz NRC661-DV-LP Tankless Water Heaters Manual

Noritz NRC661-DV-LP Tankless Water Heaters Spec Sheet

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G KG K

We are very pleased with the way Brian and Cozy comfort plus conducted its business. Very professional and efficient. His installers were great. Very knowledgeable, kind and took their time to explain every step of the installation process. I can recommend this company for their reliability.

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M BM B

Brian and his team did a great job and went above and beyond to ensure I was satisfied. They installed a new heat pump system, furnace and tankless water heater. They dealt with a faulty water heater tirelessly, trying diagnose an unusual code that kept coming on, eventually replacing the unit. I really appreciated their diligence in keeping me updated, and how swiftly it was switched out when necessary. I would highly recommend them for their work ethic and professionalism

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Maria LeitaoMaria Leitao

Maury from Cozy Comfort did a fantastic job of examining the functionality of my furnace and cleaning the major components. He tested my furnace to make sure that it would run efficiently in the winter. My humidifier was cleaned, the drip pad replaced and settings properly set up. Thank you Maury for your effective care. thank you Cozy Comfort- you are a company that has proven your worth over the past 25 years that you have looked after my family's heating and cooling needs.

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