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The genuine OEM Lennox 28F01 draft inducer blower motor pulls combustion gases through the heat exchanger and safely vents them out of your Lennox furnace before the burners ignite. By establishing proper draft and satisfying the pressure switch, this motor is a critical safety and efficiency component built to the exact CFM and voltage specifications of compatible Lennox furnaces.
Common failure symptoms: When the 28F01 inducer motor fails, the furnace often won't fire because the pressure switch never closes. Watch for loud humming, grinding, or rattling at startup, a motor that runs slowly or seizes, intermittent no-heat calls, or ignition lockout codes on the control board.
Why OEM matters: Inducer draft directly affects combustion safety and pressure-switch operation, so airflow tolerances are tight. The factory-spec 28F01 guarantees correct draft, reliable pressure-switch actuation, and safe venting for your Lennox equipment — protecting against nuisance lockouts and unsafe combustion.