Lennox 65W75 – Lennox 605416-05 Return Air Base Kit, Cabinet Size A, 14-1/2" Wide

 

A factory-engineered return air base kit designed to improve airflow, ensure stable furnace mounting, and simplify installation across Lennox systems using Cabinet Size A (14.5-inch width). The 605416-05 Return Air Base Kit provides a secure platform, supports proper return air alignment, and helps maintain peak furnace performance by promoting efficient air movement and reducing installation errors.

This genuine Lennox OEM accessory is commonly used in new system installs, retrofit applications, and jobs requiring improved return air support beneath the furnace. Built from durable galvanized steel and precision-formed for Lennox equipment, it ensures long-term stability and compatibility.

 

Key Features

 

• Genuine Lennox OEM return air base kit for 14-1/2" Cabinet Size A
• Provides stable, level furnace mounting on return air side
• Ensures proper airflow alignment for maximum efficiency
• Heavy-duty metal construction for long service life
• Ideal for new installations or replacement of older bases
• Supports Lennox furnaces requiring Cabinet Size A footprint

 

Technical Specifications

 

• Part Number: 65W75
• Lennox Catalog Number: 605416-05
• Component Type: Return Air Base Kit
• Cabinet Size: A
• Width: 14-1/2 inches
• Material: Galvanized steel
• Application: Return air support platform for Lennox furnaces
• Compatibility: Designed for Lennox Cabinet Size A furnaces (14.5" width)