The Lennox X4263 rectangular zone damper is designed for precise airflow control in forced-air zoning systems. Featuring a bottom-mount configuration and a 10 inch x 18 inch rectangular opening, this damper allows HVAC systems to direct conditioned air only where it is needed, improving comfort and overall system efficiency. Built to Lennox OEM specifications, it delivers reliable operation in residential and light commercial zoning applications and integrates seamlessly with compatible Lennox zone control systems.

This bottom-mount zone damper is ideal for new installations or direct replacements where consistent airflow management and dependable performance are required. Its durable construction helps ensure long service life, making it a trusted solution for contractors and HVAC professionals.

 

Key features:

• Genuine Lennox OEM zone damper
• Rectangular design with 10 inch x 18 inch opening
• Bottom mount configuration for zoning applications
• Provides accurate airflow control for improved comfort
• Designed for use with Lennox zoning systems
• Suitable for residential and light commercial HVAC systems

 

Applications:

• Forced-air HVAC zoning systems
• Residential and light commercial ductwork
• Replacement or new zoning installations

 

Specifications:

Brand: Lennox
Part number: X4263
Reference number: 6826L
Type: Zone damper
Mounting style: Bottom mount
Shape: Rectangular
Damper size: 10 inch x 18 inch