Navien NFC Series Boiler

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Navien introduced the new NFC series stainless steel fire tube combi-boilers at AHR 2019 in Atlanta, GA. This innovative product will be available in two sizes, NFC-175 (175,000 BTU/H) and NFC-200 (199,900 BTU/H), with enough heating input for up to a 3,500 square-foot home and continuous domestic hot water supply for up to three bathrooms. Best applications include retrofits and new installations in single-family homes, multi-family houses, and light commercial buildings.

The new Navien NFC combi-boiler models come with a patented in-house designed and manufactured heat exchanger, Low Profile Burner for ease of service, advanced controls offering intuitive user navigation, a built-in DHW module (pump, flat plate heat exchanger, 3-way valve, mixing valve, water adjustment valve and auto water fill valve), common venting capability up to 8 units, cascading capability up to 16 units, and built-in hardware to connect up to 3 zone pumps without a need for additional external controllers.

Other NFC combi-boiler features include:

  • 95% AFUE for energy savings – Energy Star Most Efficient 2019
  • 11:1 turndown ratio delivering wide operating range without cycling
  • Low NOx < 20 ppm SCAQMD certification
  • PVC, CPVC, polypropylene and stainless-steel venting materials up to 150 ft.
  • Easy field convertibility from natural gas (NG) to propane (LP), conversion kit included
  • High altitude approval for up to 10,100 ft.
  • Ready for wall mounting or rack installations using Ready-Link Rack® (V2)
  • Modern space-saving design
  • Easy access to all serviceable components
  • Industry leading residential and commercial warranties

Available in March, each unit will ship with 16 accessories including a NaviClean™ magnetic filter, an isolation valve kit and an NFC primary loop manifold for easier installation.