Best Tankless Water Heaters · head-to-head

Rinnai RU199iN vs Noritz NRC711-DV-NG

A sourced, side-by-side comparison. Noritz NRC711-DV-NG is cheaper at $1295.62. Every spec and price links to its source.

Which is better: the Rinnai RU199iN or Noritz NRC711-DV-NG?

The Noritz NRC711-DV-NG wins 1 of the 1 specs we compare head to head; the other wins 0.

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Full spec sheet

marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.

Spec Rinnai RU199iN Noritz NRC711-DV-NG
US price $1295.62
BrandRinnaiNoritz
Released
Fuel type natural-gas natural-gas
Max flow rate gpm 11 7.1
Max btu per hour 199000 157000
Power input (kW)
Uniform energy factor 0.95 0.89
Condensing type condensing condensing
Min activation flow gpm 0.5
Vent type pvc
Max temp f 140
Heat exchanger warranty yrs 15 12
Wi-Fi enabled No
Weight (lb) 64 41

Sources — Rinnai RU199iN: rinnai.us (verified 2026-07-11). Noritz NRC711-DV-NG: noritz.com (verified 2026-07-11).

What's the difference between the Rinnai RU199iN and Noritz NRC711-DV-NG?

Where the two actually differ on the specs we track (5 of 12). Matching specs are omitted.

  • Max flow rate gpm: Rinnai RU199iN 11 vs Noritz NRC711-DV-NG 7.1
  • Max btu per hour: Rinnai RU199iN 199000 vs Noritz NRC711-DV-NG 157000
  • Uniform energy factor: Rinnai RU199iN 0.95 vs Noritz NRC711-DV-NG 0.89
  • Heat exchanger warranty yrs: Rinnai RU199iN 15 vs Noritz NRC711-DV-NG 12
  • Weight (lb): Rinnai RU199iN 64 vs Noritz NRC711-DV-NG 41

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