Div 23 52 00 · 23 52 00
Lochinvar FBN1251
Lochinvar · FBN1251
Lochinvar FBN1251 appears in the U.S. EPA ENERGY STAR "Certified Commercial Boilers" dataset, which lists products whose manufacturers have certified them to the program's specification (record 2318308, certified 2021-11-08). EPA publishes these rated values for the listing: Full load input rate Btu hr 1250; Reported thermal efficiency TE 96.20; Turndown ratio 20.00; Control type Multi-stage; Application Indoor. The listing records ENERGY STAR certification and the rated values the manufacturer reported to EPA. It is not a determination that any building, installation or design complies with a code.
✓ Verified 2026-10-03
Specs on this page were checked against ENERGY STAR Certified Commercial Boilers (data.energystar.gov/d/3393-mxju) on 2026-10-03.
Specifications
| Application | Indoor |
| Control type | Multi-stage |
| Turndown ratio | 20.00 |
| Full load input rate Btu hr | 1250 |
| Reported thermal efficiency TE | 96.20 |
Certifications & Standards
ENERGY STAR 2318308 Certified commercial boiler, 2021-11-08
Sustainability
No sustainability metrics on file for this product.