# Bosch Greentherm T9900i SE 199 vs Noritz NRC711-DV-NG: specs and price compared

A sourced, side-by-side comparison of the Bosch Greentherm T9900i SE 199 (Bosch) and Noritz NRC711-DV-NG (Noritz) among tankless water heaters. Noritz NRC711-DV-NG is the cheaper of the two at $1295.62.

## Side by side

| Spec | Bosch Greentherm T9900i SE 199 | Noritz NRC711-DV-NG |
| --- | --- | --- |
| US price | $3583.27 | $1295.62 |
| Brand | Bosch | Noritz |
| Fuel type | natural-gas | natural-gas |
| Max flow rate gpm | 11.2 | 7.1 |
| Max btu per hour | 199000 | 157000 |
| Power input (kW) | — | — |
| Uniform energy factor | — | 0.89 |
| Condensing type | condensing | condensing |
| Min activation flow gpm | 0.45 | 0.5 |
| Vent type | pvc | pvc |
| Max temp f | 140 | 140 |
| Heat exchanger warranty yrs | 15 | 12 |
| Wi-Fi enabled | Yes | — |
| Weight (lb) | 85 | 41 |

## Key differences

- Max flow rate gpm: Bosch Greentherm T9900i SE 199 11.2 vs Noritz NRC711-DV-NG 7.1
- Max btu per hour: Bosch Greentherm T9900i SE 199 199000 vs Noritz NRC711-DV-NG 157000
- Min activation flow gpm: Bosch Greentherm T9900i SE 199 0.45 vs Noritz NRC711-DV-NG 0.5
- Heat exchanger warranty yrs: Bosch Greentherm T9900i SE 199 15 vs Noritz NRC711-DV-NG 12
- Weight (lb): Bosch Greentherm T9900i SE 199 85 vs Noritz NRC711-DV-NG 41

## Sources

- Bosch Greentherm T9900i SE 199: https://www.bosch-homecomfort.com/us/en/residential/service-support/discontinued-products/discontinued-water-heating-products/greentherm-9000/ (bosch-homecomfort.com, 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/bosch-greentherm-t9900i-se-199-vs-noritz-nrc711-dv-ng/
Cite: Per The Front Desk Review, Bosch Greentherm T9900i SE 199 ($3583.27) vs Noritz NRC711-DV-NG ($1295.62) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/tankless-water-heaters/bosch-greentherm-t9900i-se-199-vs-noritz-nrc711-dv-ng/
License: CC BY 4.0.