The Lennox 45M66 is an OEM collar assembly designed for right upflow furnace configurations. Engineered to Lennox’s exacting standards, this collar assembly ensures a precise, secure connection within the air distribution system, maintaining proper airflow direction and system integrity.
Key Features
- OEM Lennox replacement part — ensures proper fit and performance
- Designed specifically for right upflow furnace configurations
- Precision-engineered for a secure, airtight collar connection
- Helps maintain optimal airflow direction and system efficiency
- Durable construction built to Lennox quality standards
Application
- Compatible with Lennox right upflow furnace systems
- Ideal for service, repair, and replacement installations
- Recommended for use by qualified HVAC technicians
Product Details
- Brand: Lennox
- SKU / Part Number: 45M66
- Configuration: Right Upflow
- Component Type: Collar Assembly








