Navien, Inc., the number one brand in high efficiency condensing combi-boilers and wall-hung boilers in North America, has started shipping their new lines of fire tube boilers and combi-boilers. The NFB-H condensing fire tube boilers and NFC-H condensing fire tube combi-boilers were first introduced by Navien during their Boiler Virtual Launch Event on February 16, 2021.
Navien’s upgraded NFB-H high-output condensing fire tube boilers are available in two sizes, NFB-175H and NFB-200H. Both models include Navien’s patented stainless steel fire tube heat exchanger with a non-metallic condensate drain pan. The combustion chamber is form pressed to resist corrosion and the heat exchanger is robotic laser welded to ensure the highest quality with repeated results. New high-efficiency features on the NFB-H include turndown ratios up to 15:1, powered connections for 3 zone pumps or 3 zone reduce areas valves, easy to use Setup Wizard for improved installation, 2" venting up to 65' and 3" venting up to 150'.
NFC-H high-output condensing fire tube combi-boilers are also available in two models, NFC-250/175H and NFC-250/200H. The NFC-H also offers Navien’s patented stainless steel fire tube heat exchanger along with a built-in DHW module that includes a flat plate heat exchanger. New advanced features on the NFC-H include turndown ratios up to 15:1, powered connections for 3 zone pumps or 3 zone valves, easy to use Setup Wizard for improved installation, 2" venting up to 65' and 3" venting up to 150'. The NFC-H also includes increased DHW performance with up to 210,000 BTU/H for DHW, offering up to 5.4 GPM at a 70-degree temperature rise.
For more information on both the NFB-H and NFC-H fire tube products visit navieninc.com.
About Navien, Inc.
Since 2006, Navien, Inc. has become one of the fastest growing companies in the home comfort sector in North America and has established itself as the leader in condensing technology, providing condensing tankless water heaters, combi-boilers, and wall-hung boilers. In 2018, Navien moved beyond the condensing market with the introduction of the NPN series non-condensing tankless water heater. To learn more about Navien, Inc., and its world-class product lineup, visit www.navieninc.com