Dayton Axial Downblast Roof Supply Fan: 12 in Blade, Direct Drive, Includes Drive Pack
The Dayton Axial Downblast Roof Supply Fan (SKU 4YC91) is a clean air direct-drive fan with a 12-inch blade, delivering 929 cfm. It features a standard-efficiency, open dripproof motor with one speed, and is designed…
SKU 3G-OTH-77765
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Product Description
The Dayton Axial Downblast Roof Supply Fan (SKU 4YC91) is a clean air direct-drive fan with a 12-inch blade, delivering 929 cfm. It features a standard-efficiency, open dripproof motor with one speed, and is designed for roof and wall mounting. This unit includes a drive pack and is suitable for supply ventilation applications.
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 Supply Fan used for?
The Dayton Axial Downblast Roof Supply Fan (4YC91) is used for clean air supply ventilation in commercial and industrial buildings. It mounts on roofs or walls to deliver 929 cfm of fresh air, making it suitable for general ventilation, make-up air, and exhaust replacement in factories, warehouses, and similar facilities.
What are the specifications of the Dayton 4YC91 fan?
The Dayton 4YC91 is a direct-drive axial downblast fan with a 12-inch blade, delivering 929 cfm. It has a standard-efficiency, open dripproof motor with one speed. The unit includes a drive pack and is designed for roof and wall mounting. The manufacturer part number is 4YC91.
Where to buy the Dayton 4YC91 fan worldwide?
You can source the Dayton 4YC91 axial downblast roof supply fan through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine Dayton components for your ventilation needs.
How to install the Dayton Axial Downblast Roof Supply Fan?
Install the Dayton 4YC91 fan on a roof curb or wall opening per local codes. Ensure the mounting surface is level and structurally sound. Connect the motor to a properly sized power supply matching the nameplate voltage. Secure the fan with bolts, seal the base to prevent leaks, and verify blade clearance before startup.
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3G Electric supplies Dayton clean air direct-drive fans. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.













