The Lennox 17Y40 ADP LU18/36T1V Uncased Vertical Indoor Coil is a high-performance HVAC coil engineered for reliable heat transfer and efficient system operation. Designed for vertical applications, this indoor coil fits 3-ton systems and measures 17 inches in height, 15.5 inches in width, and 19.5 inches in depth. Built with durable materials and precision-engineered copper tubing and aluminum fins, the coil enhances airflow and energy efficiency while maintaining system longevity. The uncased design offers flexible installation options in mechanical closets, attics, or utility areas where a separate coil housing is provided. Compatible with a wide range of Lennox air handlers and furnaces, the 17Y40 coil supports optimal cooling performance and contributes to consistent indoor comfort across residential and light commercial environments.

This indoor coil meets OEM specifications for quality and fit, ensuring proper pairing with matched Lennox systems for peak performance. Easy to service and maintain, it enables professional HVAC technicians to perform quick inspections, cleaning, and coil checks during routine maintenance cycles. Whether part of a new installation or a replacement component for system upkeep, the Lennox 17Y40 vertical indoor coil delivers dependable operation and efficiency that supports lower operating costs and better overall system performance.

 

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Applications:

This coil is ideal for residential or light commercial HVAC systems using vertical airflow configurations. It is recommended for use when matched with compatible Lennox air handlers or furnaces, particularly in installations requiring an uncased indoor cooling coil.