# Rinnai RU199iN vs Noritz NRC711-DV-NG: specs and price compared

A sourced, side-by-side comparison of the Rinnai RU199iN (Rinnai) and Noritz NRC711-DV-NG (Noritz) among tankless water heaters.

## Side by side

| Spec | Rinnai RU199iN | Noritz NRC711-DV-NG |
| --- | --- | --- |
| US price | not published | $1295.62 |
| Brand | Rinnai | Noritz |
| 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 |

## Key differences

- 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

## Sources

- Rinnai RU199iN: https://www.rinnai.us/residential/product-detail/ru199in (rinnai.us, verified 2026-07-11)
- Noritz NRC711-DV-NG: https://noritz.com/products/nrc711-dv (noritz.com, verified 2026-07-11)

Canonical: https://frontdeskreview.com/gear/tankless-water-heaters/rinnai-ru199in-vs-noritz-nrc711-dv-ng/
Cite: Per The Front Desk Review, Rinnai RU199iN (not published) vs Noritz NRC711-DV-NG ($1295.62) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/tankless-water-heaters/rinnai-ru199in-vs-noritz-nrc711-dv-ng/
License: CC BY 4.0.