The Lennox 18G83 SWM supply plenum is a rigid, factory-insulated air distribution component engineered for residential HVAC systems. Featuring R8 insulation, this plenum helps minimize heat loss and condensation while maintaining consistent airflow performance. Its standardized dimensions allow for easy integration into compatible Lennox systems, making it an ideal choice for both new installations and system replacements. Built for durability and efficiency, this supply plenum supports proper air delivery throughout the duct system.

 

Specifications:

Brand: Lennox
Part Number: 18G83
Product Type: Supply Plenum
System Type: SWM (Smart Wire Management)
Insulation Rating: R8
Material: Insulated rigid plenum construction
Application: Residential HVAC air distribution