Navien NFB700-600CvsWeil-McLain SVF 600
Side-by-side commercial boiler comparison
Navien NFB700-600C
Thermal Efficiency
97.5%
Input Rate
599MBTU/hr
Turndown Ratio
14.00
Application
Indoor
Weil-McLain SVF 600
Thermal Efficiency
98%
Input Rate
600MBTU/hr
Turndown Ratio
12.00
Application
Indoor
Key differences
Both models are closely matched on thermal eff: 97.5 vs 98.0 %. The Weil-McLain SVF 600 is larger at 600 MBTU/hr versus 599 MBTU/hr.
Performance
| Spec | Navien | Weil-McLain |
|---|---|---|
| Thermal Efficiency(%) | 97.5 | 98 |
| Full-Load Input Rate(MBTU/hr) | 599 | 600 |
| Turndown Ratio | 14.00 | 12.00 |
Configuration
| Spec | Navien | Weil-McLain |
|---|---|---|
| Application | Indoor | Indoor |
| Control Type | Multi-stage | Multi-stage |
| Model Name | NFB700-600C | SVF 600 |