KD Navien® NPE-2 Series condensing Tankless Water Heaters are advanced water heaters with multi-line control panels with startup wizard and intuitive controls offering ease of installation and troubleshooting. A2 models offer built-in recirculation pump and buffer tank, reducing waiting time for hot water. NPE-2 units can be cascaded up to 32 unit and can vent up 75 ft with 2 in venting.

KD Navien® Tankless Gas Water Heater, High Efficiency Premium Advanced, Series: NPE-A2 Series, 12000 to 180000 Btu/hr Heating, Natural Gas/Liquid Propane Fuel, 3/4 in NPT Gas Connection, Electronic Ignition, Forced Draft Direct Vent, 2 in Vent, Condensing Condensing/Non Condensing, 10.1 gpm at 35 deg F Flow Rate, 0.96 Energy Factor, Wall-Hung Mounting, 3/4 in NPT Water Connection, 15 to 150 psi Pressure, 97 to 185 deg F, Ultra Low Nox: No, Cold Rolled Carbon Steel, Indoor/Outdoor Indoor/Outdoor, White, 17.3 in W x 13.2 in D x 27.4 in H Dimensions, Dual

• Fuel Source: Natural Gas
• Vent Type: Direct Vent
• Installation Location:  Indoor/Outdoor
• Maximum Input Capacity (BTU):  180000
• Minimum Input Capacity (BTU):  19900
• Energy Factor:  0.97
• Minimum Flow Rate (GPM):  0
• Voltage (Volts):  120
• Phase:  1
• Frequency (Hertz): 60
• Primary Vent Pipe Diameter (Inches):  3
• Secondary Vent Pipe Diameter (Inches): 2
• Gas Connection Size (Inches): 3/4
• Product Weight:  82 Pounds
• Product Depth:  13 1/5 Inches