King Heating Products Inc. EK 399-CHBvsU.S. Boiler Company CTD400C-O
Side-by-side commercial boiler comparison
King Heating Products Inc. EK 399-CHB
Thermal Efficiency
94%
Input Rate
396MBTU/hr
Turndown Ratio
5.0
Application
Indoor
U.S. Boiler Company CTD400C-O
Thermal Efficiency
97%
Input Rate
399MBTU/hr
Turndown Ratio
9.00
Application
Outdoor
Key differences
U.S. Boiler Company CTD400C-O is 3% more efficient at 97.0 % versus 94.0 % for the King Heating Products Inc. EK 399-CHB. The U.S. Boiler Company CTD400C-O is larger at 399 MBTU/hr versus 396 MBTU/hr.
Performance
| Spec | King Heating Products Inc. | U.S. Boiler Company |
|---|---|---|
| Thermal Efficiency(%) | 94 | 97 |
| Full-Load Input Rate(MBTU/hr) | 396 | 399 |
| Turndown Ratio | 5.0 | 9.00 |
Configuration
| Spec | King Heating Products Inc. | U.S. Boiler Company |
|---|---|---|
| Application | Indoor | Outdoor |
| Control Type | Multi-stage | Multi-stage |
| Model Name | Ecoking Ultimate Boiler | Citadel |