Navien NFB-175 Boiler
Suggested Retail Price*: $
HIGH EFFICIENCY CONDENSING HEATING BOILER
- Super condensing efficiency
- Patented compact stainless steel fire tube heat exchanger
- PVC exhaust venting capable: 2″ up to 60′; 3” up to 150’
- ½” Gas pipe up to 24′ (Subject to local code)
- TDR 10:1
- Advanced user interface and controls
Totally reinventing 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.
Patented compact stainless steel fire tube heat exchanger
Navien’s advanced patented stainless steel heat exchanger design is ASME‑Certified, “H” Stamped, and reduces high-stress point weld failures common on other boilers. This compact, in‑house designed and manufactured heat exchanger uses the latest automated laser welding technology to deliver superior product quality.
* Pricing may vary based on current market pricing at the time of sale
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