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New Navien NFB-H and NFC-H Fire Tube Boiler and Fire Tube Combi
The NFB-H and NFC H Fire Tube units from Navien are built around the patented fire tube heat exchanger design. With improved turn down ratios, longer vent options, and enhanced controls, these models provide installation flexibility and better control options. This training covers the new specifications, along with an overview of the installation and setup procedures.


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