OEM Blower Application Furnaces Inlet Diameter 3 7/8 in Outlet Diameter 2 1/4 in Compatible with Brand Lennox Replacement For Manufacturer Model Number 41144-002 7021-10055 7021-10743 Nameplate Voltage 208-230V AC Phase 1 Current 0.65 A Frequency 60 Hz Electrical Connection Wire Leads Motor Type Shaded Pole Motor Insulation Class B Maximum Fan Speed 3 000 RPM Maximum Motor Speed 3 000 RPM Maximum Inlet Air Temperature 400 Degrees F Maximum Static Pressure 1 1/8 in wc