Lennox 80W97 Induced Draft Assembly

For service technicians handling call-outs on Lennox G61MPV and similar high-efficiency units, the Lennox 80W97 Induced Draft Assembly is the direct performance-matched replacement for the LB-94724A and 101431-01. This 1/30 HP draft inducer blower operates at 115V and 3000 RPM, featuring a Fasco motor type U21B with a 1.4 Amp draw. Engineered for precise combustion air delivery, this assembly ensures the negative pressure required to safely exhaust flue gases and engage the pressure switches during the ignition sequence. The motor is rated for continuous air over duty and utilizes sealed ball bearings, significantly reducing mechanical friction and common rattling or grinding issues associated with aging equipment.

Key Benefits

• Direct OEM Matching: Drop-in replacement for Lennox furnace inducer motors, maintaining original factory alignment and mounting points.
• High-Efficiency Performance: The 3000 RPM motor provides consistent static pressure to facilitate the clean removal of combustion byproducts.
• Enhanced Durability: Equipped with a sealed ball bearing system to mitigate failure from excessive heat and debris infiltration.
• System Reliability: Critical for resolving furnace diagnostic codes related to the pressure switch or venting airflow failures.

Common Questions

• Will this fix a furnace that clicks but won't ignite? If your diagnostics show 120V at the motor but no rotation, or if the pressure switch isn't closing due to low draft, this assembly is likely the required fix.
• Does this include the gasket? This assembly is typically supplied with the necessary gasket for a proper seal against the collector box. Check the unit upon arrival.
• What causes these motors to get loud? Bearings typically fail from high-heat exposure or moisture backflow, leading to the metallic screeching or vibrations that indicate immediate replacement is needed.

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Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.