Dayton Axial Downblast Roof Exhaust Fans: Less Drive Pack, 36 in Blade
The Dayton Axial Downblast Roof Exhaust Fan (Less Drive Pack, MPN 4YU91) is an unassembled clean air belt-drive fan for industrial and commercial applications. It features a 36-inch blade, a square base, and is…
SKU 3G-OTH-80439
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Product Description
The Dayton Axial Downblast Roof Exhaust Fan (Less Drive Pack, MPN 4YU91) is an unassembled clean air belt-drive fan for industrial and commercial applications. It features a 36-inch blade, a square base, and is designed for roof mounting with airflow from 2,580 cfm to 10,406 cfm. This less drive package requires separate drive components for operation.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the Dayton Axial Downblast Roof Exhaust Fan (4YU91) used for?
The Dayton Axial Downblast Roof Exhaust Fan (4YU91) is used for industrial and commercial clean air ventilation. It is roof-mounted to exhaust stale air, heat, or fumes from factories, warehouses, and commercial buildings, providing airflow from 2,580 cfm to 10,406 cfm.
What are the specifications of the Dayton 4YU91 exhaust fan?
The Dayton 4YU91 is an unassembled clean air belt-drive fan with a 36-inch blade and square base. It is designed for roof mounting and handles airflow from 2,580 cfm to 10,406 cfm. This less drive package requires separate drive components for operation.
Where to buy the Dayton 4YU91 roof exhaust fan worldwide?
You can source the Dayton 4YU91 roof exhaust fan through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time.
How to install the Dayton 4YU91 less drive pack fan?
Install the Dayton 4YU91 by mounting the square base on a roof curb, ensuring proper sealing. Since it is a less drive package, you must separately source and install a motor, belt, and pulley system. Follow standard belt-drive fan alignment and tensioning practices for safe operation.
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3G Electric supplies Dayton clean air belt-drive fans without drive. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















