NPN-E Series Navien Non-Condensing Tankless Water Heater 180K BTU, 0.81 EF

KD Navien® Tankless Gas Water Heater, Premium Exterior, Series: NPN-E Series, 10700 to 180000 Btu/hr Heating, Natural Gas Fuel, 3/4 in NPT Gas Connection, Electronic Ignition, Non-Direct Vent, Non-Condensing Condensing/Non Condensing, 8.5 gpm at 35 deg F Flow Rate, 0.81 Energy Factor, Wall-Hung Mounting, 3/4 in NPT Water Connection, 15 to 150 psi Pressure, 98 to 140 deg F, Ultra Low Nox: No, Cold Rolled Carbon Steel, Outdoor Indoor/Outdoor, White, 14 in W x 9.3 in D x 23 in H Dimensions, Dual