Navien has reinvented fire tube technology from the ground up!
- Patented stainless steel heat exchanger —eliminates high stress point welds.
- Advanced user interface and controls with intuitive text display, simplifies boiler setup.
- Built-in hardware to connect a boiler system pump, 3 zone pumps or 3 zone valves.
- Optional NaviLink Wi-Fi remote control.
- Cascading and common venting capable.
- 10:1 Turn Down Ratio.
- AFUE 95.0% — Energy Star 2018 most efficient rating.
To learn more, please visit: https://www.navieninc.com/series/nfb