| FBN1501 | KBX0400L SERIES 1** |
|---|---|
| ENERGY STAR Partner | |
| Lochinvar, LLC | Lochinvar, LLC |
| Brand Name | |
| Lochinvar | Lochinvar |
| Model Name | |
| Crest | Knight XL |
| Model Number | |
| FBN1501 | KBX0400L SERIES 1** |
| Full Load Input Rate (kBtu/hr) | |
| 1,500 | 399 |
| Thermal Efficiency (%) | |
| 96 | 97 |
| Turndown Ratio | |
| 25 | 10 |
| Control Type | |
| Multi-stage | Multi-stage |
| Application | |
| Indoor | Indoor |
| Date Available On Market | |
| October 6, 2014 | January 1, 2021 |
| Date Qualified | |
| November 8, 2021 | November 9, 2021 |
| Markets | |
| United States, Canada | United States, Canada |
| CB Model Identifier | |
| ES_1028919_FBN1501_04102018180242_8245164 | ES_1028919_KBX0400L SERIES 1**_08272020020240_5695753 |
| Product Category | |
| Commercial Boilers | Commercial Boilers |
| Type | |
| Commercial Boilers | Commercial Boilers |
| Date Certified | |
| November 8, 2021 | November 9, 2021 |
| Meets ENERGY STAR Most Efficient 2024 Criteria | |
| No | No |