D Cabinet Supply Plenum – (20x25x36)

This 20" x 25" x 36" insulated supply plenum is designed for use with D-cabinet furnaces and air handlers. Constructed from durable galvanized steel and lined with R6 insulation, it helps distribute conditioned air efficiently throughout the duct system while reducing energy loss and operating noise.

Commonly used in residential HVAC installations, this supply plenum provides a smooth transition from HVAC equipment to the supply ductwork, supporting proper airflow and maximizing system performance. Ideal for new construction, equipment replacements, and retrofit applications.

Features:

• Designed for D-cabinet furnaces and air handlers
• 20" x 25" x 36" dimensions
• R6 insulated construction for improved energy efficiency
• Durable galvanized steel construction
• Helps reduce heat loss and operating noise
• Supports proper airflow and system performance
• Suitable for residential HVAC applications

Item# 3687101; Part# SHMPR6202536