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The SEAL-TITE 94-191636 is a plenum duct section measuring 19 inches by 16 inches by 36 inches, designed for use in forced-air HVAC distribution systems. A plenum serves as a central air-distribution chamber, connecting the air handler or furnace to the branch duct runs that deliver conditioned air throughout a structure. This unit is installed by licensed HVAC technicians during new construction or system retrofit work where a properly sized plenum transition is needed to match equipment and ductwork dimensions.
This plenum is sized for applications where the supply or return duct opening requires a 19-inch by 16-inch face with a 36-inch body length. It is suited for residential and light commercial forced-air systems where custom or hard-to-find plenum dimensions are required. The 36-inch length provides adequate run for transitions between air-handling equipment and main trunk lines in equipment rooms, utility closets, and mechanical spaces.
Designed as an OEM-style plenum section for residential and light commercial forced-air HVAC systems requiring a 19-inch by 16-inch by 36-inch plenum configuration.
Plenum sections are installed by licensed HVAC technicians and should comply with local mechanical codes and IMC requirements for air distribution systems. Shut down and lock out the air handler or furnace before removing or installing any plenum section. Seal all seams with UL-listed duct sealant or metal-backed tape rated for plenum applications to meet air-tightness standards. Verify clearances to combustibles where the plenum is installed adjacent to heat-generating equipment.
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