Silent operation? The furnace exhaust draft inducer blower motor assembly features 3000 RPM optimized airflow design to reduces mechanical vibration, eliminating high-frequency whining common in aging furnace systems. HC21ZE117, HC21ZE117-B, HC21ZE117B and 50+ OEM numbers. Product Spec? High-performance draft inducer motor kit: 115V/60Hz, 1.5A, 3000 RPM for efficient and reliable airflow. Complete Solution? The furnace draft inducer assembly includes: 1 Draft Inducer Motor, 2Adapter Plugs and with a thick felt gasket for airtight sealing. Includes all critical accessories, ? Eliminating extra trips to hardware stores? .