Richmond Outdoor Condensing Tankless Water Heater, Inlet Connection Size: 3/4 in, Outlet Connection Size: 3/4 in, Gas Type: Liquid Propane, BTU Rating: 11000 to 199900 Btu/hr, 9.5 gpm, Energy Efficiency: 0.93, Wall Mounting, Housing Color: Warm Dark Gray, Dimensions: 27-1/2 in H x 18-1/2 in W x 9-3/4 in D, Includes: Direct Vent Models Come with a 6 ft Power Cord, Digital Remote Control with 10 ft of Thermostat Wire