Lennox 47M55 Draft Inducer Assembly

As a seasoned technician, you know that a failing Lennox 47M55 Draft Inducer Assembly is often the culprit behind pressure switch trip-outs and ignition failures. This genuine OEM Lennox 47M55 combustion air booster is engineered to meet the exact static pressure requirements of G43UF, G41UF, and G51MP series furnaces, ensuring correct fuel-to-air ratios for safe and efficient operation. This replacement furnace inducer motor features a high-performance 1/20 HP shaded pole motor operating at 3400 RPM on a standard 115V, 60Hz single-phase circuit. Drawing only 1.8 Amps, this assembly includes a durable steel wheel and robust housing designed to withstand high flue gas temperatures while effectively exhausting combustion byproducts. Replacing the older 83L41 and LB-94724D part numbers, the 47M55 inducer assembly provides a drop-in fit with a 2-inch outlet diameter, minimizing bench time and ensuring a reliable seal during high-demand heating cycles. Relying on this Lennox combustion blower ensures your client's system maintains its efficiency rating without the noise or vibration issues common in generic aftermarket alternatives.

Key Benefits:

• Precision Performance: Delivers a consistent 3400 RPM to maintain the specific negative pressure required for furnace safety circuits.
• OEM Compatibility: Direct replacement for Lennox 47M55, 83L41, and LB-94724D, preventing mounting alignment issues in the field.
• Industrial-Grade Build: Features a resilient steel impeller and shaded pole motor designed for the corrosive environment of flue gas exhaust.
• Streamlined Installation: Designed for rapid swap-outs in Lennox G43UF and G41UF models, getting the heat back on quickly for your customers.

Common Questions:

Does this assembly include the required mounting gasket?
Yes, this OEM assembly typically includes the necessary gasket to ensure a gas-tight seal between the inducer housing and the collector box.

Can I use the 47M55 to replace a 702111406 Fasco motor?
Yes, the 47M55 is the correct Lennox designated assembly that utilizes the Fasco 702111406 motor component, ensuring full electrical and mechanical compatibility.

What are the signs that this inducer assembly needs to be replaced?
Technicians should look for seized bearings, excessive vibration, or a "call for heat" that results in the motor humming without spinning, which prevents the pressure switch from closing.

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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.