As a global leading boiler maker, Navien proudly delivers leadership, dependability, design, green technology, social responsibility, and customer service to over 30 countries worldwide. This assures world-class quality and comfort in every home and business.
The NFB-H line of boilers are the most advanced condensing fire tube boilers in the industry. Navien has reinvented fire tube technology from the ground up and continues to advance their boiler technology to a higher level with the NFB-H series.
- Patented stainless steel fire tube heat exchanger to reduce high stress point welds
- 2" PVC venting up to 65', 3" up to 150'
- Advanced user interface with intuitive text display and quick dial wheel for easy navigation
- Smart controls with setup wizard to simplify boiler start up
- Built-in powered connections for 3 zone valves or 3 zone pumps
- Compact, light weight, wall hung design saves space over traditional floor standing boilers
- Dual Venturi system creates better combustion control and turndown ratio
- Field gas convertibility is easy with orifice conversion kits for NG high altitude and LP included with NFB-H series boilers
Navien's NFB-H line of products come with a limited warranty of 1 year for labor, 5 years for parts, and 10 years for the heat exchanger when used in residential applications.