Navien NFB Series
Fire Tube Excellence
The Navien NFB Series utilizes proven fire tube technology for exceptional durability and reliable performance. The fire tube design provides easy maintenance access and long-lasting operation, making it an excellent choice for residential heating applications where reliability is paramount.
95% AFUE
Peak Efficiency
Fire Tube
Durable Design
Easy Access
Maintenance
Key Features
Fire Tube Heat Exchanger Design
Easy Maintenance Access
Field Convertible NG/LP
Compact Wall-Mount Design
Built-in Primary Pump
Outdoor Reset Standard
Low NOx Emissions
Up to 15 Year Warranty
Get NFB Service
Installation, repair, or maintenance for your NFB system.
NFB Model Lineup
| Model | BTU Range | Efficiency |
|---|---|---|
| NFB-175 | 17,500 - 175,000 | 95% AFUE |
| NFB-200 | 20,000 - 200,000 | 95% AFUE |
Need Boiler Service Today?
Call GasBoilers.ca — A CanroHeat Division — for expert installation, repair, replacement, maintenance, and emergency service.