The Lennox 89W81 / 105161-01 Horizontal Drain Pan is a precision-manufactured replacement part designed for dependable condensate management in residential and commercial HVAC systems. Measuring 28.0 x 25.5 x 2 inch, this horizontal drain pan captures and redirects condensate away from critical components, helping prevent water damage, mold growth, rust, and other moisture related issues. Manufactured to the exact size and specifications required by Lennox, this drain pan delivers long-lasting performance, structural durability, and consistent reliability.

Constructed from corrosion-resistant materials, the drain pan stands up to regular HVAC operating environments and effectively supports efficient condensate removal. This pan is ideal for use in horizontal furnace or air handler installations where proper drainage is critical. It ensures peace of mind with dependable operation and can extend the life of connected HVAC equipment by maintaining dry, controlled internal conditions.

This horizontal drain pan is a direct replacement for Lennox part numbers 89W81 and 105161-01, offering an exact fit and ease of installation. Suitable for professional HVAC technicians as well as experienced DIY installers, the Lennox 89W81 drain pan reinforces system performance and moisture control with industry-standard quality.

 

Features and Specs:

• OEM replacement for Lennox 89W81 and 105161-01
• Horizontal drain pan size: 28.0 x 25.5 x 2 inch
• Corrosion-resistant construction for durability
• Designed for effective condensate capture and drainage
• Ideal for horizontal furnace or air handler applications
• Helps protect against water damage, mold, and rust
• Easy to install with standard HVAC mounting points

 

Compatibility / Fitment Notes:

Fits Lennox HVAC units requiring a 28.0 x 25.5 x 2 inch horizontal drain pan and compatible with systems originally equipped with Lennox 89W81 or 105161-01 parts. Confirm fitment with your specific model before ordering.