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BLD2024-1645_Manufacturer_Specifications_and_Installation_Instructions_12.17.2024_9.38.58_AM_4673642
®NavieN NFC-H High -Efficiency Condensing Fire Tube Combi- Boiler Submittal Sheet ❑ Model NFC-250-175H (175,000 BTU/H space heating and 210,000 BTU/H DHW) ❑ Model NFC-250-200H (199,900 BTU/H space heating and 210,000 BTU/H DHW) Job Name: Location• Engineer: Wholesaler: Sales Rep: Contractor: Model: Gas Type (NG/LP): Input (BTU/H): Output (BTU/H): Notes: Boiler Standard Features • SS Heat Exchanger with Non - Metallic Condensate Collector Base • Cold -rolled Carbon Steel Casing • 95% AFUE • 15:1 Turndown Ratio • 80 PSI ASME Max Pressure • 30 PSI ASME Relief Valve • Direct Spark Ignition • Variable Speed Blower • Dual Venturi Mixing System • Negative Pressure Gas Valve • Cascaded Up to 16 Units (1 NFC- H and up to 15 NPEs) • Common Vented Up to 8 Units (1 NFC-H and up to 7 NPEs) • Wall Mounting Bracket • LP Gas Conversion Kit • Outlet & Inlet Temp Sensors • Outdoor Temperature Sensor • Flue gas Temperature Sensor • Condensate Trap • Built-in DHW module Boiler Optional Accessories • Secondary System Manifold • Condensate Neutralizer Kit • Zone Controller • System Supply/Return Sensors • NaviLink"' Control • Boiler Stand / Rack System • External Air Elimination and Expansion Control • Boiler/System Fill Valve • 50 PSI Pressure Relief Valve • 80 PSI Pressure Relief Valve • NaviCleanT"' magnetic filter • Space heating isolation valves • Primary manifold Venting • Direct Exhaust Sidewall or Roof Venting • Direct Exhaust Inside Air Venting • Vertical and horizontal direct venting 2" up to 65', 3" up to 150' • Vent Termination Caps • Wall Flanges Controls • LCD Display with Push Buttons and Dial • Manual Reset LWCO • High and Low Gas Pressure Switches with Manual Reset • Manual Reset High Limit • Freeze Protection • Outdoor Reset • Warm Weather Shutdown • Air Handler Interface • 4 Circulator Outputs • 3 Zone Valve or Pump Control • Remote Access via Navi- Link"' Mobile Application Warranties • 10 yrs. Residential and 5 yrs. Commercial Heat Exch. Warranty • 5 yrs. Residential and 3 yrs. Commercial Parts Warranty • 1 yr. Labor Warranty Page 1 of 2 20 Goodyear, Irvine, CA 92618 0 949.420.0420 0 949.420.0430 © Navieninc.com Overhead View 17Y(wm❑ Connection Size Q Air Intake m 2' 0 Exhaust Gas Vent m 2' 0 PRV-Air Vent Connection m 3/4' 0 Heating Supply m 1' © Heating Return 011 0 Gas Connection m 3/4' 0 Condensate Outlet m 1/2' © Cold Water Inlet (DHW) m 3/4' O Hot water Outlet (DHW) M 3/4' O Auto Feeder Inlet (Make-up Water) m 1/2' Supply Connections Navien Condensing Boiler � Other Specifications Space Heating Rating Input Ratings BTU/H Heating NetAHRI Water Connection Water Model Number Capacity Rating Water AFUE % Water Pressure Size (Supply, (BTU/H) (BTU/H) Return) Volume Min Max NFC-250/175H 13,300 175,000 16,100 140,000 95% 6-80psi 1"NPT 4.5gallons NFC-250/200H 13,300 199,900 18,300 159,000 95% Navien Combination Boiler Other Specifications Domestic Hot Water Ratings Input Ratings BTU/H Water Minimum Flow Rate 45°F DHW Supply Side DHW Return Model Number Pressure Flow Rate (25°C) Temp Rise Connection Size Connection Size Min Max NFC-250/175H 13,300 210,000 15-150 psi 0.5 GPM (1.9L/m) 8.4 GPM (31.81/m) 3/4" NPT 3/4" NPT NFC-250/200H 13,300 1.210,000 Page 2 of 2 20 Goodyear, Irvine, CA 92618 0 949.420.0420 M 949.420.0430 © Navieninc.com