Lennox 75M78 Blower
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Lennox 75M78 Blower

Lennox 75M78 Blower

The Lennox 75M78 (also known as 75M7801) is a critical OEM replacement inducer blower designed for high-performance combustion air management in specific Lennox gas furnace units. This 1/10 HP combustion air blower operates on a 208-230V single-phase power supply at 60Hz and is engineered as a Permanent Split Capacitor (PSC) motor for reliable, continuous-duty cycles. With a high-speed rating of 3200 RPM and a pull of 0.9 Amps, it maintains the precise static pressure required for safe flue gas extraction and efficient fuel-to-air ratios. The assembly features a counter-clockwise lead end (CCWLE) rotation, ensuring a direct drop-in fit for contractors servicing Lennox RTU and residential systems where the original draft inducer assembly has failed due to seized bearings or winding thermal overload.

Key Benefits
  • Direct OEM Compatibility: Engineered as a genuine Lennox 75M78 replacement to ensure exact physical mounting and electrical lead alignment, reducing labor time during field installations.
  • High-Efficiency Output: The 3200 RPM output is calibrated to optimize the combustion process, helping the furnace maintain its original AFUE efficiency ratings.
  • Robust PSC Design: The 1/10 HP motor utilizes a standard capacitor start to deliver consistent torque, minimizing vibration and noise levels during the heating cycle.
  • Industrial Build Quality: Constructed with durable materials to withstand the high-temperature flue gases typically encountered in combustion air blower applications.
Common Questions

Is the 75M78 a direct replacement for the 75M7801?
Yes, the Lennox 75M78 and 75M7801 are the same technical part number. It is the standard OEM replacement for Lennox systems requiring a 1/10 HP 208-230V inducer.

What are the signs that my current combustion blower needs replacement?
Technicians should look for E201 error codes on the control board, high-pitched bearing noise, or a failure of the pressure switch to close during the ignition sequence, which often indicates the draft inducer motor is under-speed or seized.

Is this blower compatible with multi-stage Lennox furnaces?
Compatibility is determined by the specific Lennox model number. This single-speed 3200 RPM blower is typically used in commercial RTU and residential furnace models that call for a 208-230V combustion air blower.

This item is not eligible for free shipping.

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.

$281.01
Lennox 75M78 Blower
$281.01

Lennox 75M78 Blower

The Lennox 75M78 (also known as 75M7801) is a critical OEM replacement inducer blower designed for high-performance combustion air management in specific Lennox gas furnace units. This 1/10 HP combustion air blower operates on a 208-230V single-phase power supply at 60Hz and is engineered as a Permanent Split Capacitor (PSC) motor for reliable, continuous-duty cycles. With a high-speed rating of 3200 RPM and a pull of 0.9 Amps, it maintains the precise static pressure required for safe flue gas extraction and efficient fuel-to-air ratios. The assembly features a counter-clockwise lead end (CCWLE) rotation, ensuring a direct drop-in fit for contractors servicing Lennox RTU and residential systems where the original draft inducer assembly has failed due to seized bearings or winding thermal overload.

Key Benefits
  • Direct OEM Compatibility: Engineered as a genuine Lennox 75M78 replacement to ensure exact physical mounting and electrical lead alignment, reducing labor time during field installations.
  • High-Efficiency Output: The 3200 RPM output is calibrated to optimize the combustion process, helping the furnace maintain its original AFUE efficiency ratings.
  • Robust PSC Design: The 1/10 HP motor utilizes a standard capacitor start to deliver consistent torque, minimizing vibration and noise levels during the heating cycle.
  • Industrial Build Quality: Constructed with durable materials to withstand the high-temperature flue gases typically encountered in combustion air blower applications.
Common Questions

Is the 75M78 a direct replacement for the 75M7801?
Yes, the Lennox 75M78 and 75M7801 are the same technical part number. It is the standard OEM replacement for Lennox systems requiring a 1/10 HP 208-230V inducer.

What are the signs that my current combustion blower needs replacement?
Technicians should look for E201 error codes on the control board, high-pitched bearing noise, or a failure of the pressure switch to close during the ignition sequence, which often indicates the draft inducer motor is under-speed or seized.

Is this blower compatible with multi-stage Lennox furnaces?
Compatibility is determined by the specific Lennox model number. This single-speed 3200 RPM blower is typically used in commercial RTU and residential furnace models that call for a 208-230V combustion air blower.

This item is not eligible for free shipping.

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.

Product Information

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Description

The Lennox 75M78 (also known as 75M7801) is a critical OEM replacement inducer blower designed for high-performance combustion air management in specific Lennox gas furnace units. This 1/10 HP combustion air blower operates on a 208-230V single-phase power supply at 60Hz and is engineered as a Permanent Split Capacitor (PSC) motor for reliable, continuous-duty cycles. With a high-speed rating of 3200 RPM and a pull of 0.9 Amps, it maintains the precise static pressure required for safe flue gas extraction and efficient fuel-to-air ratios. The assembly features a counter-clockwise lead end (CCWLE) rotation, ensuring a direct drop-in fit for contractors servicing Lennox RTU and residential systems where the original draft inducer assembly has failed due to seized bearings or winding thermal overload.

Key Benefits
  • Direct OEM Compatibility: Engineered as a genuine Lennox 75M78 replacement to ensure exact physical mounting and electrical lead alignment, reducing labor time during field installations.
  • High-Efficiency Output: The 3200 RPM output is calibrated to optimize the combustion process, helping the furnace maintain its original AFUE efficiency ratings.
  • Robust PSC Design: The 1/10 HP motor utilizes a standard capacitor start to deliver consistent torque, minimizing vibration and noise levels during the heating cycle.
  • Industrial Build Quality: Constructed with durable materials to withstand the high-temperature flue gases typically encountered in combustion air blower applications.
Common Questions

Is the 75M78 a direct replacement for the 75M7801?
Yes, the Lennox 75M78 and 75M7801 are the same technical part number. It is the standard OEM replacement for Lennox systems requiring a 1/10 HP 208-230V inducer.

What are the signs that my current combustion blower needs replacement?
Technicians should look for E201 error codes on the control board, high-pitched bearing noise, or a failure of the pressure switch to close during the ignition sequence, which often indicates the draft inducer motor is under-speed or seized.

Is this blower compatible with multi-stage Lennox furnaces?
Compatibility is determined by the specific Lennox model number. This single-speed 3200 RPM blower is typically used in commercial RTU and residential furnace models that call for a 208-230V combustion air blower.

This item is not eligible for free shipping.

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.