Meet Navien's Newest Commercial Fire Tube Boiler

Navien’s high efficiency fire tube condensing technology
makes NFB-C hard to beat and the easy choice
for today’s commercial boiler applications.

Navien designs and manufactures all the key
components and uses advanced robotics to
assure manufacturing integrity.

• Advanced stainless steel fire tube heat exchanger

• 7” touch screen and smart controls

• 97.5% thermal efficiency

• Common venting and cascading capability

• Top and bottom piping connections

Patented stainless steel fire tube heat exchanger
Navien’s ASME-certified, “H” stamped stainless steel fire tube exchangers are in-house designed and built by the latest in robotic and automated technology, reducing high stress point weld failures common on other boilers.

Advanced 7” touch screen controls
Easy intuitive navigation for setup, troubleshooting and operation.

Built-in USB port
Download boiler data and settings. Upload software updates and boiler settings.

Built-in hardware connects boiler pump & zone pumps

Built-in hardware connects boiler pump &3 zone pumps
All integrated into the NFB-C circuit board. Also includes a DHW priority zone.

Click below to learn more. About the new NFB-C
Condensing Commercial Fire Tube Boilers from Navien.