Bosch
Bosch Greentherm T9900i SE 199
$3583.27
Best Tankless Water Heaters · head-to-head
Bosch Greentherm T9900i SE 199 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.
Noritz
Noritz NRC711-DV-NG
$1295.62Cheaper
Which is better: the Bosch Greentherm T9900i SE 199 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. The Noritz NRC711-DV-NG is the cheaper at $1295.62. The Noritz NRC711-DV-NG both leads on specs and costs less — the straightforward pick.
As an Amazon Associate we earn from qualifying purchases. Prices verified at capture; live price may differ.
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec |  Bosch Greentherm T9900i SE 199 |  Noritz NRC711-DV-NG |
|---|---|---|
| US price | $3583.27 | $1295.62 |
| Brand | Bosch | Noritz |
| Released | — | — |
| 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 |
Sources — Bosch Greentherm T9900i SE 199: bosch-homecomfort.com (verified 2026-07-11). Noritz NRC711-DV-NG: noritz.com (verified 2026-07-11).
What's the difference between the Bosch Greentherm T9900i SE 199 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): 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