This centrifugal downblast roof exhaust fan includes NEMA 1 junction box, and is made of aluminum. It features a fully rolled windband bead, fresh outside air is drawn in under the motor cover, and more and measures 24⅞ inch width, 26⅝ inch height, 24⅜ inch length. This centrifugal downblast roof exhaust fan is designed for use with: industrial and commercial buildings. In addition, it is roof mountable, 1,296 cfm air flow, and 24⅜ inch diameter, and 1/6 max horsepower.
Technical Specs
ItemCentrifugal Downblast Roof Exhaust Fan
AssemblyUnassembled
Wheel Diameter11 in
Base Width19 in
Minimum Airflow567 cfm
Maximum Motor Horsepower1/6 hp
Minimum Motor Speed1,401 RPM
Maximum Static Pressure1 in wc
StandardsAMCA Sound and Air, UL/cUL 705
Wheel MaterialAluminum
Overall Diameter24 3/8 in
Overall Length24 3/8 in
Includes Drive PackageDrive Package Not Included
ApplicationIndustrial and Commercial Buildings
Bearing TypeSealed Pillow Block
Compatible Curb Manufacturer Part Number2RB75, 2ZV82, 4C453, 4C670, 4HX38, 4HX46
Cutout Size14.5 in L x 14.5 in W
Electrical ConnectionPower Cord
Housing Length24.4 in
Housing Width24.4 in
Maximum Fan Speed1,710 RPM
Motor LocationOut of Airstream
Noise Level @ 0.000 in SP @ 5 ft10.4 sones
Power SourceElectric Motor
Resistance PropertiesWeather Resistant
Sound LevelFan RPM 1401 : 10.4 sones @ 0.000 in SP and 5 ft, 10.2 sones @ 0.125 in SP and 5 ft, 10.0 sones @ 0.250 in SP and 5 ft, 9.6 sones @ 0.375 in SP and 5 ft, 9.3 sones @ 0.500 in SP and 5 ft, 8.9 sones @ 0.625 in SP and 5 ft, 8.6 sones @ 0.750 in SP and 5 ft, Fan RPM 1710: 13.4 sones @ 0.000 in SP and 5 ft, 13.3 sones @ 0.125 in SP and 5 ft, 13.2 sones @ 0.250 in SP and 5 ft, 13.0 sones @ 0.375 in SP and 5 ft, 12.7 sones @ 0.500 in SP and 5 ft, 12.4 sones @ 0.625 in SP and 5 ft, 12.1 sones @ 0.750 in SP and 5 ft, 11.8 sones @ 0.875 in SP and 5 ft, 11.6 sones @ 1.000 in SP and 5 ft
Speed ControllableSpeed Not Controllable
Drive TypeBelt Drive
Mounting LocationRoof
Base Length19 in
Base ShapeSquare
Maximum Airflow1,296 cfm
Minimum Motor Horsepower1/4 hp
Maximum Motor Speed1,710 RPM
For High-Static Pressure ApplicationsNot For High-Static Pressure Applications
For Air TypeClean Air
Housing MaterialAluminum
Overall Height26 5/8 in
Overall Width24 7/8 in
Includes MotorMotor Not Included
Base Height1.8 in
Brake Horsepower7/50 hp
Cutout Length14.5 in
Damper Size12 x 12 in
FeaturesAir Handling Quality Bearings Meet Minimum of L10-100,000 Hours, Features a Fully Rolled Windband Bead for Increased Stability and Easy Transport, Fresh Outside Air is Drawn in Under the Motor Cover to Maximize Motor Life, Nema 1 Junction Box Located in Motor Enclosure, Nonoverloading Centrifugal Wheel Design, Optional Nema 1 and 4 Disconnects Available
Housing Material FabricationSpun
IncludesNEMA 1 Junction Box
Maximum Inlet Air Temperature180 Degrees F
Mount TypeRoof Curb
Number of Speeds1
Propeller Shaft Diameter3/4 in
Safety FeaturesBirdscreen, Windband
Spark Resistant Construction TypeA
Wheel TypeBackward Inclined
Country of OriginUnited States
(subject to change)