|Fuel Type||Natural Gas / Propane||Natural Gas / Propane|
|Availability||Not Available Online||In Stock|
|Warranty||Not Valid Through
|5 Year Parts
12 Year Heat Exchanger
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.
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