Lochinvar KBX0800N-O SERIES 1**vsNavien NFB700-800C
Side-by-side commercial boiler comparison
Lochinvar KBX0800N-O SERIES 1**
Thermal Efficiency
96.3%
Input Rate
800MBTU/hr
Turndown Ratio
10.00
Application
Outdoor
Navien NFB700-800C
Thermal Efficiency
97.5%
Input Rate
799MBTU/hr
Turndown Ratio
12.00
Application
Indoor
Key differences
Both models are closely matched on thermal eff: 96.3 vs 97.5 %. The Lochinvar KBX0800N-O SERIES 1** is larger at 800 MBTU/hr versus 799 MBTU/hr. Overall, the Navien NFB700-800C sits higher in the category, ranking above 84% of certified commercial boilers.
Performance
| Spec | Lochinvar | Navien |
|---|---|---|
| Thermal Efficiency(%) | 96.3 | 97.5 |
| Full-Load Input Rate(MBTU/hr) | 800 | 799 |
| Turndown Ratio | 10.00 | 12.00 |
Configuration
| Spec | Lochinvar | Navien |
|---|---|---|
| Application | Outdoor | Indoor |
| Control Type | Multi-stage | Multi-stage |
| Model Name | Knight XL | NFB700-800C |