Navien Furnace Manuals
Select your Navien model number below for installation steps, settings, maintenance schedules, troubleshooting and the full specification sheet. Your model number is printed on the rating plate.
Navien furnaces by model number
| Model | Description | Certified |
|---|---|---|
| NPF700-060D3BH | 97% AFUE gas furnace | March 2026 |
| NPF700-060H3BH | 97% AFUE gas furnace | April 2026 |
| NPF700-060U3BH | 97% AFUE gas furnace | April 2026 |
| NPF700-080D3BH | 97% AFUE gas furnace | March 2026 |
| NPF700-080H3BH | 97% AFUE gas furnace | April 2026 |
| NPF700-080U3BH | 97% AFUE gas furnace | April 2026 |
| NPF700-100D5CH | 97% AFUE gas furnace | March 2026 |
| NPF700-100H5CH | 97% AFUE gas furnace | April 2026 |
| NPF700-100U5CH | 97% AFUE gas furnace | April 2026 |