Lennox 40H54 - (LB-78349CG) Blower Assembly Housing, 12" x 9"
The Lennox 40H54 (LB-78349CG) Blower Assembly Housing is a factory-authorized replacement part engineered to restore or enhance airflow performance in residential and light commercial Lennox HVAC systems. Measuring 12 inches in diameter by 9 inches in width, this blower housing is precisely built to accommodate compatible blower wheels and motor assemblies, providing stable operation and long-term dependability.
Robust Construction for Demanding Environments
Manufactured from high-grade galvanized steel, the LB-78349CG offers exceptional resistance to corrosion, heat, and physical wear. The heavy-duty structure minimizes vibration and noise during operation, contributing to quieter HVAC performance and reduced mechanical stress on internal components.
Manufactured from high-grade galvanized steel, the LB-78349CG offers exceptional resistance to corrosion, heat, and physical wear. The heavy-duty structure minimizes vibration and noise during operation, contributing to quieter HVAC performance and reduced mechanical stress on internal components.
Precision-Formed for Seamless Fit and Function
This blower housing is designed to meet strict Lennox engineering standards, ensuring a perfect fit and alignment with existing system components. The curved housing design and internal mounting brackets are tailored to maximize airflow velocity and efficiency, resulting in consistent air circulation and improved temperature distribution throughout the conditioned space.
This blower housing is designed to meet strict Lennox engineering standards, ensuring a perfect fit and alignment with existing system components. The curved housing design and internal mounting brackets are tailored to maximize airflow velocity and efficiency, resulting in consistent air circulation and improved temperature distribution throughout the conditioned space.
Installation and Compatibility
The housing features standardized mounting holes and alignment guides for quick installation and secure attachment. It is compatible with a variety of direct-drive blower assemblies and is commonly used in air handlers, gas furnaces, and packaged units across multiple Lennox models. This part is ideal for replacing worn, damaged, or noisy blower housings during system maintenance or retrofit projects.
The housing features standardized mounting holes and alignment guides for quick installation and secure attachment. It is compatible with a variety of direct-drive blower assemblies and is commonly used in air handlers, gas furnaces, and packaged units across multiple Lennox models. This part is ideal for replacing worn, damaged, or noisy blower housings during system maintenance or retrofit projects.
Applications:
- Lennox gas furnaces
- Lennox air handlers
- Residential and light commercial HVAC systems
- Systems requiring 12" x 9" blower assemblies
- Improves air delivery and system efficiency
- Reduces noise and vibration
- OEM design ensures system compatibility
- Long service life under continuous operation
- Supports energy efficiency and indoor comfort
- Part Number: 40H54
- Lennox Catalog Number: LB-78349CG
- Dimensions: 12” diameter x 9” width
- Material: Galvanized steel
- Design: For use with direct-drive blower wheels
Ensure your HVAC system performs at its best with the Lennox 40H54 Blower Assembly Housing. Whether you're performing a critical repair or preventative maintenance, this OEM replacement delivers quality and reliability backed by the Lennox name.
Now available at Beenimax – your dependable source for genuine Lennox replacement parts.