Navien NFB-301CvsRBI WATER HEATERS WB0300X
Side-by-side commercial boiler comparison
Navien NFB-301C
Thermal Efficiency
97.5%
Input Rate
301MBTU/hr
Turndown Ratio
15.00
Application
Indoor
RBI WATER HEATERS WB0300X
Thermal Efficiency
97%
Input Rate
300MBTU/hr
Turndown Ratio
7.00
Application
Outdoor
Key differences
Both models are closely matched on thermal eff: 97.5 vs 97.0 %. The Navien NFB-301C is larger at 301 MBTU/hr versus 300 MBTU/hr. Overall, the Navien NFB-301C sits higher in the category, ranking above 84% of certified commercial boilers.
Performance
| Spec | Navien | RBI WATER HEATERS |
|---|---|---|
| Thermal Efficiency(%) | 97.5 | 97 |
| Full-Load Input Rate(MBTU/hr) | 301 | 300 |
| Turndown Ratio | 15.00 | 7.00 |
Configuration
| Spec | Navien | RBI WATER HEATERS |
|---|---|---|
| Application | Indoor | Outdoor |
| Control Type | Multi-stage | Multi-stage |
| Model Name | NFB-301C | Torus Outdoor Series |