Draft Inducer, Application Furnaces, Oil Heating, For Fuel Type Natural Gas, Oil, Maximum Vent Pipe Diameter 14 in, Minimum Vent Pipe Diameter 12 in, Maximum Heater BTU Input for Gas Appliance 2,700,000 BtuH, Maximum Heater BTU Input for Oil Appliance 3,700,000 BtuH, Inlet Diameter 12 in, Outlet Diameter 12 in, Nameplate Voltage 120V AC, Current 5.8 A, Wheel Material Stainless Steel