Description
Lennox 75M78 Combustion Air Blower Overview
The Lennox 75M78 is an OEM combustion air blower engineered to deliver consistent, reliable airflow for proper combustion in Lennox heating systems. Designed as a direct replacement component, this blower ensures your furnace maintains the precise air-to-fuel ratio required for safe and efficient operation.
Key Features
- OEM Lennox replacement combustion air blower
- Motor output: 1/10 HP
- Operating voltage: 208–230V
- Engineered for precise combustion airflow management
- Direct drop-in replacement for compatible Lennox furnace models
- Built for long-lasting, dependable performance in residential and light commercial heating applications
Why Choose the Lennox 75M78?
Using a genuine Lennox replacement blower helps maintain the integrity of your heating system and ensures compatibility with your existing equipment. The combustion air blower plays a critical role in venting and combustion efficiency — a faulty blower can lead to unsafe operation or system lockout. Replacing it with the correct OEM part restores proper function quickly and confidently.
Application
- Compatible with select Lennox furnace models requiring a 1/10 HP, 208–230V combustion air blower
- Suitable for residential and light commercial HVAC systems
Specifications
- Brand: Lennox
- SKU: 75M78
- Motor Horsepower: 1/10 HP
- Voltage: 208–230V
- Component Type: Combustion Air Blower







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