Description
Premium features and benefits of the NFC-H Series include:
A - 2" venting capability extending up to 65' (compatible with schedule 40 PVC), along with the Vent Installation Detector (VID) for enhanced safety.
B - The Dual Venturi system enhances combustion control, and turndown ratio, and simplifies field gas conversions.
C - Navien's patented stainless steel fire tube heat exchanger, which is ASME‑Certified and "H" Stamped, mitigates high-stress point weld failures commonly found in other combi-boilers due to its innovative design.
D - The advanced user interface, featuring a Setup Wizard, is user-friendly with its backlit panel, click-wheel control, and intuitive text.
E - Advanced circuitry equipped with built-in control for 3-zone pumps or 3-zone valves.
F - The conveniently accessible built-in DHW module comprises an integrated boiler pump, flow adjustment valve, DHW stainless steel heat exchanger, mixing valve, and 3-way valve.