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High Plenum
 
Elevate your HVAC installations with our High Plenum, expertly designed to carry air to and from a furnace. Crafted to match the furnace opening and ideal for placement on top, this plenum offers multiple options for attaching fitting branches. Built with 26 ga. 3-piece construction, it features a snap lock seam, hemmed furnace flange, and strengthening beads for enhanced durability. Each unit includes a 1" slip cap, ensuring a secure and efficient connection. At GTHSupply, our premium quality products and unbeatable prices help you win more bids and grow your business faster.
 
16 1/2 x 20 x 23
26 gauge
3 Piece construction
Snap lock seam
Hemmed furnace flange, 1/2" out
Strengthening beads
1" slip cap included