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.Other uses: Bathroom exhaust. Range hood exhaust. Whole house ventilation. Crawl space ventilation. Ground floor installations. Tight attic mountings. High rise buildings. Apartments/townhouses. Basement kitchens, washrooms. Features: Watt: 140. RPM: 2820. Airflow Capacity: 445 cfm. 120V operation. Pre-wired capacitor. Built-in backdraft damper. Rugged construction for long life. Enclosed motor housing for dust & lint. May be mounted on the exterior of a building. Suitable for air temperatures up to 140 F / 60 C. Automatic reset thermal overload protection. Heavy gauge, galvanized steel housing with baked epoxy finish. Energy efficient - speed controllable (optional solid state speed control). 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. Fan and motor are precision balanced for quiet and vibration-free operation. Construction:. Heavy gauge, galvanized steel housing. Baked epoxy finish. Built-in backdraft damper. Large mounting collar for duct connections. Weather protected internal terminal strip. Pre-wired capacitor. Galvanized mounting plate. Backward-curved impeller. Precision balanced assembly. Motor:. Durable "external rotor motor". Enclosed motor housing. Dust and moisture resistant. Ball bearings, permanently lubricated. 120VAC, single phase. Automatic reset thermal overload protection. Infinitely variable fan speed capability. Specifications: Dimensions: 14.2" x 3.6" x 12.3".
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