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The genuine OEM Lennox Y8771 draft inducer blower motor assembly is a complete, ready-to-install unit that draws combustion gases through the heat exchanger and expels them out the flue on compatible Lennox furnaces. Because it arrives as a matched motor-and-housing assembly, the Y8771 restores factory draft and airflow without the guesswork of piecing together individual components.
Common failure symptoms include a furnace that hums but never ignites, grinding or rattling noises at startup, a pressure switch that fails to close, frequent ignition lockouts, or no heat. Worn bearings, a cracked housing, or a failed winding in the assembly commonly cause these problems.
Why OEM matters: The Y8771 assembly is engineered by Lennox to deliver the precise RPM, torque, and static-pressure performance the furnace's venting system and pressure switch require. Installing the authentic OEM assembly guarantees correct draft, proper safety operation, and quiet, durable performance that generic replacements cannot reliably provide. Get your Lennox system back to spec with the complete factory part.