Navien NFC-H 250/175H High-Efficiency Condensing Combi Fire Tube Boiler

Navien NFC-H 250/175H High-Efficiency Condensing Combi Fire Tube Boiler

The Navien NFC-H 250/175H is an advanced, high-efficiency condensing combination boiler engineered to supply both whole-home space heating and continuous domestic hot water from a single compact, wall-hung unit. Featuring Navien’s patented commercial-grade stainless steel fire tube heat exchanger, the NFC-H delivers exceptional performance, corrosion resistance, and long-term durability.

With up to a 15:1 heating turndown ratio and industry-leading energy efficiency (up to 95% AFUE), the NFC-H series modulates precisely to meet fluctuating household heating and hot water demands while reducing utility costs and carbon emissions.

Key Features & Benefits:

• Dual Functionality in One Unit: Simultaneous whole-house space heating (up to 175,000 BTU/h) and continuous domestic hot water (up to 210,000 BTU/h DHW output).
• Patented Stainless Steel Fire Tube Heat Exchanger: Engineered to prevent scale buildup, maximize heat transfer, and withstand high operating temperatures and thermal shock.
• High-Efficiency Condensing Technology: Energy Star certified with an AFUE rating of up to 95%, optimizing every BTU of natural gas.
• Advanced Turndown Ratio (15:1): Intelligently throttles power down during low-demand periods for maximum fuel savings and minimal wear.
• Compact, Wall-Mounted Design: Saves valuable floor space compared to bulky standalone boiler and water heater setups.
• Integrated Zone Controls & DHW Module: Simplifies installation with built-in primary/secondary pumping connections and intuitive digital display controls.

Note:

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