The Lennox 21J19 (AAE105-14) Clip Curb is a full-perimeter rooftop support curb engineered for reliable installation of HVAC equipment. Designed to fit units requiring a 44-3/8 inch by 52-7/8 inch flange with a 14 inch height, this roof curb provides a stable, weather-tight mounting surface that enhances unit performance and longevity. Manufactured to Lennox standards for durability and precise fit, the AAE105-14 Clip Curb simplifies rooftop equipment installation by ensuring proper alignment and support. Its full perimeter design accommodates a wide range of Lennox air handlers, rooftop units, and other HVAC systems, helping to minimize vibration and improve system efficiency. Ideal for residential and light commercial HVAC applications, the Lennox 21J19 rooftop curb meets building code requirements and integrates with standard flashing and sealing materials for secure, long-lasting installations. This OEM curb is essential for contractors and technicians seeking dependable structural support and a proven mounting solution for compatible Lennox rooftop units.

 

Key Features & Specifications:

• OEM Lennox rooftop curb model 21J19 / AAE105-14
• Full perimeter clip curb for secure, uniform equipment support
• Fits flange dimensions: 44-3/8 in x 52-7/8 in
• Overall height: 14 in
• Provides stable, weather-resistant mounting surface
• Designed for compatibility with Lennox HVAC rooftop equipment
• Helps reduce vibration transfer and improves installation quality
• Suitable for residential and light commercial rooftop units

 

Common Uses:

Used as a structural curb to mount and support compatible Lennox rooftop HVAC equipment. Ensures proper elevation and sealing between the rooftop surface and unit for long-term performance.