Rinnai® Non-Condensing Tankless Gas Water Heater, Model: RE199I, 199000 Btu/hr, 96 W, 0.13 to 9.8 gpm, 1 W Standby Loss, 0.82 % Efficiency, 3 in, 5 in Vent, Concentric Vent, 4 A, 120 V, 60 Hz, NPT Connection Type, 150 psi, No Energy Star Compliant, Wall Mount, Natural Gas, Electronic Direct Ignition, On/Off Switching Action, Galvanized Steel, Sliver, Lead-Free/Contains Lead: Lead-Free, 98 to 140 deg F, 27.3 in H x 14.05 in W x 11.2 in D, Up to 10200 ft Altitude, Additional Information: 3/4 in NPT Gas Supply, 3/4 in NPT Cold Water Inlet, 3/4 in NPT Hot Water Outlet, 54 dB Sound Level