The Lennox X4233 zone damper (part number 6737L) is a rectangular, side-mount HVAC zoning damper engineered to provide accurate airflow control within zoned heating and cooling systems. Designed for seamless integration with Lennox zoning applications, this OEM damper helps regulate air distribution to individual zones, improving comfort, system efficiency, and overall performance.

With a 20 inch x 10 inch rectangular opening, the X4233 damper is ideal for residential and light commercial HVAC systems where dependable zone control is required. Built to Lennox factory specifications, it ensures proper fit, long service life, and reliable operation when replacing a failed or aging damper.

Key Features:

• OEM Lennox zone damper for HVAC zoning systems
• Rectangular design with side-mount configuration
• 20 x 10 inch opening for precise airflow regulation
• Supports improved temperature balance and energy efficiency
• Durable construction for long-term reliability
• Direct replacement for Lennox part number 6737L

Applications:

This Lennox X4233 rectangular zone damper is used in forced-air HVAC zoning systems to control airflow to specific areas or zones within a building. It is commonly installed in ductwork where accurate zone management is required to maintain consistent indoor comfort.

Compatibility:

• Designed for use with Lennox HVAC zoning systems
• Replaces Lennox zone damper part number 6737L
• Suitable for residential and light commercial ducted systems

Specifications:

Brand: Lennox
Catalog Number: X4233
Model / Part Number: 6737L
Product Type: Zone Damper
Shape: Rectangular
Mounting Style: Side Mount
Damper Size: 20 Inch x 10 Inch
Base Unit of Measure: Unit(s)

Why Buy from Beenimax:

Beenimax supplies genuine OEM Lennox HVAC parts to ensure proper fit, dependable performance, and long-term system reliability. Purchasing the Lennox X4233 zone damper from Beenimax helps protect your HVAC system investment while ensuring compatibility with manufacturer specifications.