Tubular centrifugal roof exhauster, upblast, belt or direct drive, curb mount with butterfly damper doors. Available with aluminum backward incline wheel or welded steel backward incline wheel. Used in a variety of commercial and light industrial applications where the exhaust air needs to be directed up away from the building and the application requires a more robust unit compared to a typical spun aluminum unit.


  • Cast regreasable bearings (Belt drive)
  • Welded construction
  • Four-bolt motor plate for positive belt tensioning (Belt drive)
  • Integral butterfly dampers
  • Spark resistant construction available upon request
  • Direct drive available upon request


  • Housing Material: Steel
  • Finish: Lorenized ™
  • Ventilator Type: Fan
  • Impeller: Centrifugal
  • Bearings: L-50, 400,000 hours


  • Mounting: Roof (Curb Mount)
  • Drive Type: Direct Drive, Belt Drive
  • Motor: AC, PM
  • Max Operating Temp (Standard Construction): 180°F
  • Max Operating Temp (Alt. Construction): 300°F
  • Speed Control: VFD, Vari-Flow, SimpliDrive
  • Flow: Exhaust