Dayton Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack
The Dayton Centrifugal Downblast Roof Exhaust Fan is a belt-drive, clean-air fan with a drive package, designed for roof mounting. It features a 21 1/2-inch wheel, delivers 6,640 cfm, and operates on 208-230/460V AC…
SKU 3G-OTH-80047
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Product Description
The Dayton Centrifugal Downblast Roof Exhaust Fan is a belt-drive, clean-air fan with a drive package, designed for roof mounting. It features a 21 1/2-inch wheel, delivers 6,640 cfm, and operates on 208-230/460V AC with a single-speed, open-dripproof motor. This unassembled unit has a square base and is not intended for high-static-pressure 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 Centrifugal Downblast Roof Exhaust Fan used for?
This Dayton belt-drive fan is designed for roof-mounted general ventilation in commercial or industrial buildings. It exhausts clean air at up to 6,640 cfm, making it suitable for removing heat, odors, or fumes from factories, warehouses, or assembly areas where high static pressure is not required.
What are the specifications of the Dayton 7A665 roof exhaust fan?
The Dayton 7A665 is a belt-drive downblast fan with a 21 1/2-inch wheel delivering 6,640 cfm. It operates on 208-230/460V AC, has an open-dripproof motor, and includes a drive package. The unit is unassembled with a square base and is not for high-static-pressure applications.
Where to buy the Dayton 7A665 roof exhaust fan worldwide?
3G Electric supplies the Dayton 7A665 centrifugal roof exhaust fan to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this belt-drive fan.
How to install the Dayton belt-drive roof exhaust fan?
Installation requires assembling the unassembled fan on a roof curb, connecting the 208-230/460V AC power supply, and tensioning the belt drive per Dayton's manual. Ensure the square base is sealed against weather. For best performance, verify ductwork is sized for 6,640 cfm and avoid high-static-pressure systems.
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3G Electric supplies Dayton clean air belt-drive fans with drive. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















