EXT External Mount Duct Fan

EXT external mount duct fans provide a simple through-the-wall solution that can be sidewall mounted on the exterior of a building, allowing easy access to the fan. These fans are the perfect solution when space restrictions prevent the use of in-line duct fans. Ventilate tight spaces such as basement kitchens, laundry rooms, crawl spaces, high rise buildings, apartments and more with EXT external mount duct fans. These quiet and energy efficient fans utilize external rotor motors. EXT external mount duct fans are available to fit 4" duct, with airflow capacities to 177 cfm.

Features & Benefits
  • Heavy gauge, galvanized steel housing with baked epoxy finish
  • 120V operation • May be mounted on the exterior of a building
  • Enclosed motor housing for dust & lint
  • Suitable for air temperatures up to 140 F / 60 C
  • Energy efficient – speed controllable (optional solid state speed control)
  • Rugged construction for long life
  • Built-in backdraft damper
  • Exceptionally quiet and efficient BC centrifugal motorized impeller
  • External rotor motor design results in superior motor cooling and durability
  • Permanently lubricated ball bearing motor for maintenance-free operation
  • Automatic reset thermal overload protection
  • Fan and motor are precision balanced for quiet and vibration-free operation
  • Pre-wired capacitor
  • Available to fit 4" duct; airflow capacities to 177 cfm

Static pressure and airflow

00.511.522.504080120160200AIRFLOW [cfm]STATIC PRESSURE [in. wg]