Fitment / Compatibility. Desa, Reddy, Master, Remington, All-Pro, Knipco heaters. Vanguard, Koehring, ProCom kerosene forced-air heaters. Direct replacement for Ametek 66847, 66838, 117847-00, 119243-000. Fits many 50,000-220,000 BTU torpedo heater models. Description: 100% Brand New Premium Furnace Draft Inducer Blower Motor – Part # 117104-01. Exact replacement for Ametek 66847, 66838, and all listed cross numbers. Powerful 1/30 HP, 3000 RPM, 1.27A, 115V single-speed motor with counterclockwise rotation (from shaft end). Includes gasket and cooling fan – drop-in fit for most kerosene and gas forced-air heaters. Fixes no-start, weak flame, or overheating issues caused by failed inducer. Key Features:? Exact OEM-spec replacement? 3000 RPM high-speed draft inducer? Pre-assembled with gasket & fan? Thermal protection – runs cool & safe? Restores full combustion & heat output.