20" Roof Mount Belt-Drive Upblast, LMD (Shell)

**Note: This product does not include the Drive or the Motor.

Belt-drive upblast ventilators are designed for roof or wall mounted exhaust for commercial or industrial buildings.

Features and Specifications:

• Upblast discharge design
• Spun aluminum construction with steel support braces
• Weather resistant aluminum windband, motor enclosure, and cover
• Ball bearing motors and variable pitch drives are packed separately when ordered with ventilators
• Backward inclined aluminum fan wheel
• Externally cooled motor compartment
• Inlet temperatures up to 300°F
• Models 5BDU10 & 5BDU24 only, are wall mount capable
• Models 5BDU13 & 5BDU36 available in hazardous location configuration
• Permanently lubricated ball bearings
• Regreaseable, pillow-block bearings factory installed on models 5BDU30 & 5BDU36 only
• Motor and wheel are easily detachable without removing ventilator from curb
• Junction box mounted in motor compartment
• Uni-Mount motor structure
• A continuous venturi to windband weld virtually eliminates grease leakage
• Fully rolled windband bead for added strength, stability and ease of transport
• Welded curb cap corners eliminate water entry into ducts or building