Lennox X4219 is a rectangular side-mount zone damper designed to precisely control airflow in residential and light commercial HVAC zoning systems. Built for reliability and consistent operation, this damper helps direct conditioned air only where it is needed, improving comfort balance and overall system efficiency.

Engineered to fit standard 14 inch x 8 inch rectangular ductwork, the Lennox X4219 zone damper integrates seamlessly into zoned duct systems. The side-mount configuration allows for straightforward installation and dependable performance when paired with compatible zoning controls. Its durable construction supports long service life, making it a trusted choice for HVAC professionals and system replacements.

This zone damper is commonly used in multi-zone heating and cooling applications where airflow regulation is essential to maintain consistent temperatures across different areas of a building. It is suitable for both new installations and direct replacements of existing Lennox zoning components.

 

Product overview:

Lennox X4219 rectangular zone damper for HVAC zoning systems
Designed for accurate airflow control and improved comfort
Side-mount configuration for easy installation
Fits standard 14 inch x 8 inch rectangular ductwork
Ideal for residential and light commercial zoning applications

 

Specification:

Brand: Lennox
Part number: X4219
Manufacturer reference: 6724L
Damper type: Zone damper
Shape: Rectangular
Mounting style: Side mount
Nominal duct size: 14 inch x 8 inch