American Coolair, CRBA,Commercial Industrial,Belt Drive Domed Centrifugal Power Roof Ventilators/Exhaust Fan,Sizes:06-52, CFM:185-43,962,Static:Through 2.0"

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Country of OriginUnited States of America

CRBA Belt Drive Domed Centrifugal Power Roof Ventilators 

Sizes:06 - 52 

CFM:185 - 43,962 

Static:Through 2.0"


  • Licensed for Sound & Air Performance
  • UL Listed for Standard 705 (most models)
  • Force ventilated motor compartment isolated from airstream
  • Non-overloading backward inclined aluminum wheel
  • Weatherproof spun aluminum housing
  • Vibration isolators on drive frame
  • Galvanized wire mesh birdscreen
  • Heavy duty pillow block bearings
  • Variable pitch motor pulley

Standard Features
• Weather-resistant aluminum motor compartment cover
removes easily for access to motor and drives
• Out-of-airstream open motors are isolated for protection from
exhaust airstream
• Aluminum centrifugal wheel is a non-overloading, backward
inclined design with state-of-the-art computerized balancing
• Overlapping wheel and deep-spun venturi minimize noise and
air turbulence, increasing efficiency
• Wheel balance weights are permanently affixed to ensure
vibration-free operation
• Wheel backplate fins cool the motor compartment, extending
motor life
• Birdscreen is 1/2” galvanized mesh
• Licensed Performance Ratings
• UL Listed for Standard 705

Available Accessories
• Loose Disconnect Device
• Backdraft Damper 

General Features
Brand Name
American Coolair
Country of Origin
United States of America
Model Part Number
Product Series
  • Aluminum
  • UL Listed
Belt Drive
Mounting Type
  • Commercial
  • Industrial
Airflow Type
  • Exhaust
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