Olsen Furnace Manuals
Select your Olsen model number below for installation steps, settings, maintenance schedules, troubleshooting and the full specification sheet. Your model number is printed on the rating plate.
Olsen furnaces by model number
| Model | Description | Certified |
|---|---|---|
| KHM-G3-*078-03 | 87% AFUE oil furnace | September 2026 |
| KHM-G3-*090-03 | 87% AFUE oil furnace | September 2026 |
| KHM-G3-*119-05 | 87% AFUE oil furnace | September 2026 |
| KHM-G3-*132-05 | 87% AFUE oil furnace | September 2026 |
| KLF-G3-*078-03 | 87% AFUE oil furnace | September 2026 |
| KLF-G3-*090-03 | 87% AFUE oil furnace | September 2026 |
| KLF-G3-*119-05 | 87% AFUE oil furnace | September 2026 |
| KLF-G3-*132-05 | 87% AFUE oil furnace | September 2026 |
| KLR-G3-*119-05 | 87% AFUE oil furnace | September 2026 |
| KLR-G3-*132-05 | 87% AFUE oil furnace | September 2026 |