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Noritz NRC661-DV-NG 120,000 BTU Indoor Condensing Tankless Water Heater (Natural Gas)
Noritz NRC661-DV-NG 120,000 BTU Indoor Condensing Tankless Water Heater (Natural Gas)
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Noritz NRC661-DV-NG 120,000 BTU Indoor Condensing Tankless Water Heater (Natural Gas)
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Noritz NRC661-DV-NG 120,000 BTU Indoor Condensing Tankless Water Heater (Natural Gas)
The Noritz NRC661-DV-NG is a high-efficiency indoor condensing tankless water heater designed for small to mid-sized homes. With a 120,000 BTU burner and condensing technology, this unit delivers reliable hot water while maximizing energy efficiency and reducing operating costs.
Key Features
- 120,000 BTU input ideal for moderate residential hot water demand.
- Condensing technology improves efficiency by capturing additional heat from exhaust gases.
- Up to ~6.6 GPM flow rate depending on temperature rise.
- Indoor direct-vent installation using PVC, CPVC, or polypropylene venting (verify local code).
- Lower exhaust temperatures allow flexible and cost-effective venting options.
- Stainless steel heat exchangers engineered for durability and corrosion resistance.
- Electronic ignition eliminates the need for a standing pilot.
- Built-in safety features including freeze protection, flame failure detection, and overheat protection.
Ideal Applications
- Small to mid-sized single-family homes
- Homes with 1–2 bathrooms
- Apartments, condos, and ADUs
- Indoor installations where efficiency is a priority
Technical Specifications
- Model: Noritz NRC661-DV-NG
- Fuel Type: Natural Gas
- BTU Input Range: 18,000 – 120,000 BTU/hr
- Maximum Flow Rate: Up to ~6.6 GPM (varies by temperature rise)
- Installation: Indoor, direct-vent
- Efficiency / UEF: ~0.93 (condensing)
- Venting: PVC, CPVC, or polypropylene
- Condensate Drain: Required
- Water Connections: 3/4"
- Gas Connection: 3/4"
- Electrical: 120V AC
- Approximate Weight: ~60 lbs
- Warranty: 12-year heat exchanger, 5-year parts, 1-year labor (residential)
Why Buy From United Plumbing & Fire Supply?
- Competitive pricing on Noritz tankless water heaters
- Fast and reliable shipping
- Local pickup and job-site delivery options
- Knowledgeable support for proper model selection
Always confirm venting material, condensate drainage, gas sizing, and local code requirements with a licensed installer before installation.
Testimonials
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★★★★★
Absolutely transformed my backyard! The quality is fantastic, and everything feels sturdy and well-made. I’ve already had neighbours asking where I got it from!"
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★★★★★
"This is hands-down the best purchase I’ve made for my garden. Easy to assemble, looks beautiful, and has held up perfectly through rain and sun."
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★★★★★
My garden has never looked better! The design is stunning, and the materials are clearly built to last. Worth every penny."
