HOT ! Noritz NRC711-DV-NG 157,000 BTU Indoor Condensing Tankless Water Heater (Natural Gas)

Noritz NRC711-DV-NG 157,000 BTU Indoor Condensing Tankless Water Heater (Natural Gas)

The Noritz NRC711-DV-NG is a high-efficiency indoor condensing tankless water heater designed for small to mid-sized homes with moderate to high hot water demand. With a maximum input of approximately 157,000 BTU and advanced condensing technology, this unit delivers continuous hot water while maintaining excellent energy efficiency.

Key Features

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  Up to 157,000 BTU input — ideal for homes needing reliable whole-home hot water without oversized equipment.


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  Condensing technology improves efficiency by capturing heat from exhaust gases.


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  Up to ~7.1 GPM maximum flow rate depending on incoming water temperature.


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  Indoor direct-vent installation using PVC, CPVC, or polypropylene venting (per local code).


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  Lower exhaust temperatures allow flexible and cost-effective venting options.


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  Dual stainless steel heat exchangers engineered for durability and corrosion resistance.


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  Electronic ignition — no standing pilot light.


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  Built-in safety systems including freeze protection, flame detection, and overheat protection.

Ideal Applications

• Small to mid-sized single-family homes


• Homes with 1–3 bathrooms


• Apartments, condos, and ADUs


• Indoor installations prioritizing energy efficiency

Technical Specifications

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  Model: Noritz NRC711-DV-NG


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  Fuel Type: Natural Gas


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  BTU Input Range: ~15,000 – 157,000 BTU/hr


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  Maximum Flow Rate: Up to ~7.1 GPM (varies by temperature rise)


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  Installation: Indoor, direct-vent


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  Efficiency / UEF: ~0.89 (condensing)


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  Venting: PVC, CPVC, or polypropylene


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  Condensate Drain: Required


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  Water Connections: 3/4\"


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  Gas Connection: 3/4\"


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  Electrical: 120V AC


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  Approximate Weight: ~70 lbs


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  Warranty: 12-year heat exchanger, 5-year parts, 1-year labor (residential, when installed and registered per Noritz guidelines)

Why Buy From United Plumbing & Fire Supply?

• Competitive pricing on Noritz condensing tankless water heaters


• Fast, reliable shipping


• Local pickup and job-site delivery options


• Experienced support for residential and contractor needs

Always confirm venting materials, condensate drainage, gas sizing, and local code requirements with a licensed installer prior to installation.