Lochinvar FTX500(N,L)vsNavien NFB700-500C
Side-by-side commercial boiler comparison
Lochinvar FTX500(N,L)
Thermal Efficiency
97.7%
Input Rate
500MBTU/hr
Turndown Ratio
10.00
Application
Indoor
Navien NFB700-500C
Thermal Efficiency
97.5%
Input Rate
499MBTU/hr
Turndown Ratio
12.00
Application
Indoor
Key differences
Both models are closely matched on thermal eff: 97.7 vs 97.5 %. The Lochinvar FTX500(N,L) is larger at 500 MBTU/hr versus 499 MBTU/hr.
Performance
| Spec | Lochinvar | Navien |
|---|---|---|
| Thermal Efficiency(%) | 97.7 | 97.5 |
| Full-Load Input Rate(MBTU/hr) | 500 | 499 |
| Turndown Ratio | 10.00 | 12.00 |
Configuration
| Spec | Lochinvar | Navien |
|---|---|---|
| Application | Indoor | Indoor |
| Control Type | Multi-stage | Multi-stage |
| Model Name | FTXL | NFB700-500C |