Model VSU is a vertically configured direct gas-fired heating make-up air unit that offers a wide range of CFMs. The vertical configuration removes the equipment weight loading from the roof and offers a simplified means of installation. Ground level filters, dampers, and controls greatly simplify equipment start-up and maintenance.

• 800 to 64,000 cfm and 3 in. wg
• Up to 7,000,000 BTU/hr.
• ETL listed