The Lennox X4228 (6732L) rectangular zone damper is designed for precise airflow control in zoned HVAC systems. With a 10 inch by 10 inch rectangular opening and a side-mount configuration, this damper allows installers to regulate air delivery to individual zones, improving comfort balance and overall system efficiency. Built to Lennox OEM specifications, it is ideal for use in residential and light commercial forced-air heating and cooling applications where reliable zoning performance is required.This zone damper integrates smoothly with compatible Lennox zoning controls and is engineered for dependable operation, helping reduce temperature inconsistencies, minimize energy waste, and extend HVAC system life.
Key Features:
• Genuine Lennox OEM zone damper (part number X4228 / 6732L)
• Rectangular 10 inch x 10 inch duct opening
• Side-mount design for flexible installation
• Provides accurate airflow control for zoned HVAC systems
• Helps improve comfort, efficiency, and temperature consistency
• Durable construction for long-term HVAC useTechnical Specifications
• Brand: Lennox
• Part Number: X4228
• Reference Number: 6732L
• Damper Type: Zone damper
• Shape: Rectangular
• Mounting Style: Side mount
• Duct Size: 10 inch x 10 inch
• Application: Zoned forced-air HVAC systemsApplications
• Residential zoning systems
• Light commercial HVAC zoning
• New installations or replacement of existing rectangular zone dampers

