Home HVAC Navien Introduces Two New Boiler Series at AHR 2019

Navien Introduces Two New Boiler Series at AHR 2019

Navien Introduces Two New Boiler Series at AHR 2019

Irvine, CA – Navien, the leader in high-efficiency condensing technology, has introduced the new NFC series stainless steel fire tube combi-boilers. 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.

Navien also unveiled the new NFB-C commercial fire tube boiler. Shown in two sizes NFB-C-301 (299,900 BTU/H) and NFB-C-399 (399,900 BTU/H) the NFB-C uses the same patented stainless-steel fire tube technology from the NFB series released in 2018. The commercial fire tube boiler features an industry leading 15:1 turndown ratio, 91.7% thermal efficiency, BACnet or LonWorks to BMS communication capability and top and bottom water piping connections.