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The genuine OEM Lennox 11X32 draft inducer blower motor assembly draws combustion byproducts through the heat exchanger and vents them out the flue on your Lennox furnace. Energizing at the start of each heating cycle, it establishes the negative pressure the safety switch must sense before the gas valve opens and the igniter fires. Reliable inducer operation is essential for both safe venting and dependable ignition.
Common failure symptoms: repeated pressure-switch lockouts and no heat, squealing or grinding noises, a wheel that spins slowly or not at all, rattling from a loose or cracked blower wheel, or the motor overheating and cycling on thermal overload. Failed bearings and worn windings are the usual culprits.
Why OEM matters: the Lennox 11X32 is built to the precise CFM output, housing dimensions, and electrical characteristics your specific furnace model requires. Substitute inducers may not generate the correct draft, triggering nuisance faults or unsafe flue conditions. The factory assembly guarantees proper fit, correct venting, and complete compatibility with your Lennox equipment.