210MBTU DHW 175MBTU HEATING

KD Navien Fire Tube Combi-Boiler, Condensing High Efficiency, Series: NFC-H Series, Natural Gas/Liquid Propane Fuel, 13300 to 175000 Btu/hr Space Heating, 13000 to 210000 Btu/hr DHW Input, 1 x 3/4 in NPT Connection, Electronic Ignition, 161000 Btu/hr DOE Heating, 95 % AFUE, 120 VAC, 15 A, Forced Draft Direct Vent, Cold Rolled Carbon Steel Housing Material, Wall-Hung Mounting, 17.3 in W x 17.3 in D x 33.5 in H Dimensions. INCLUDES: Heat Exchanger, 30 psi Relief Valve, Variable Speed Blower, Dual Venturi Mixing System, Negative Pressure Gas Valve, Wall Mounting Bracket, LP Gas Conversion Kit, Outdoor Temperature Sensor, Flue Gas Temperature Sensor, Condensate Trap, Built-in DHW Module and Outlet/Inlet Temperature Sensor. DHW 15:1 TDR and heating 13:1 TDR. 2 in venting up to 65 ft and 3 in venting up to 150 ft. Advanced controls with Intuitive user interface and setup wizard. NEW DHW module with mixing and water adjustment valves. Built-in powered connections for three zone valves or three zone pumps. Common venting with up to seven NPE units and cascading up to 15 NPE units. Approved for high altitude up to 10100 ft (natural gas and liquid propane), conversion kits included. Patented stainless steel fire tube heat exchanger with non-metallic condensate base.

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A KD Navien combi-boiler is a high efficiency Boiler and tankless water heater all-in-one appliance that can provide whole house heating for small to large homes and endless hot water for up to three showers and a dishwasher at the same time.