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Navien Nfc 250 175h. Navien CombiBoiler Natural Gas Conv Kit High Altitude Fits NFC250 Navien's NFC-250/175H condensing combi-boiler for commercial & residential applications uses high-efficiency technology to provide heat & endless hot water. Dual Venturi system creates better combustion control, turndown ratio and easy field gas conversions

The new NFC-H has more heating and DHW capacities for today's. Navien's NFC-250/175H condensing combi-boiler for commercial & residential applications uses high-efficiency technology to provide heat & endless hot water.

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Dual Venturi system creates better combustion control, turndown ratio and easy field gas conversions NSF/ANSI 372 * The wetted surface of this product contacted by consumable water contains less than one quarter. Find the Navien 175K BTU - High Efficiency - Condensing Combi-Boiler - 15:1 DHW at Ferguson online for delivery or pickup at a Ferguson store near you.

Navien CombiBoiler Solenoid Assy T405196R Fits NFC250/175H NG eBay. **Whole house refers to combi-boilers that offer at least 150,000 BTU/H for DHW. Patented stainless steel fire tube heat exchanger Navien's innovative heat exchanger design is ASME‑Certified.

Navien NFC250/175H COMBIBOILER NATURAL GAS NG BOILER eBay. Dual Venturi system creates better combustion control, turndown ratio and easy field gas conversions I have one contractor recommending the Navien NCB 240/130H and the other the Navien NFC 250/175H.