Navien - NFB-175H

Navien - NFB-175H

Navien - NFB-175H

2″ venting up to 65 feet; 3″ up to 150 feet (including schedule 40 PVC).Vent Installation Detector (VID)for added safety. Dual Venturi system creates better combustion control, turndown ratio and easy field gas conversions. Patented stainless steel fire tube heat exchanger, Navien’s innovative heat exchanger design is ASME‑Certified,“H” Stamped, and reduces high-stress point weld failures common on other combi-boilers. Low gas pressure operation. Negative pressure regulating gas valveensures maximum performance all the way down to 3.5″ of water column on natural gas and 8″ of water column on propane gas. Advanced user interface with Setup Wizard is made easy with backlit panel, click-wheel control and intuitive text.

Features*

  • Max HTG Input: 175,000 BTU/h

Additional Info

* Features and specs are from the manuafacturer and are subject to change. Consult with for confirmation of any information.