Navien updates fire tube boiler product lines

Navien updated its fire tube lines with the NFC-H fire tube combi-boilers and NFB-H fire tube boilers. Both the NFC-H and NFB-H now offer turndown ratios up to 15:1, powered connections for three zone pumps or three zone valves, easy-to-use setup wizard for improved installation, 2-in. venting up to 65 ft. and 3-in. venting up to 150 ft. The NFC-H also includes increased domestic hot water (DHW) performance, with up to 210,000 Btu per hour for DHW, offering up to 5.4 gallons per minute at a 70-degree temperature rise. Both the NFC-H and NFB-H begin shipping from Navien in April.

Photo courtesy of Navien