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Navien North America Condensing Boiler

SKU: NFB399C

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Product Details

Navien North America NFB399C

Navien NFB-C series are commercial condensing boilers featuring patented fire tube stainless steel heat exchanger, advanced burner system, smart controls with 7” color touch screen display, industry-leading TE of 97.5 Percent, built-in 3 zone pump relays, top and bottom connections, and turn down ratios up to 15:1.


  • Finish Grey
  • Collection NFB-C
  • UPC 884954907567
  • Online Product ID 10868578
  • Length 22.3"
  • Width 25.1"
  • Height 32.8"
  • Weight 278 lbs.
  • Oversized yes
  • Material Steel
  • Listing AHRI, ASME, CSA, Energy Star

Additional information

  • Up to 15:1 TDR
  • 97.5 Percent TE
  • 3'' venting up to 60'' and 4'' venting up to 150''

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