Dayton Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Less Drive Pack, 24 in Wheel
The Dayton Centrifugal Downblast Roof Exhaust Fan is a belt-drive, clean air fan (MPN 4YU99) designed for roof mounting. It features a 24-inch wheel, a square base, and a single-speed, unassembled configuration…
SKU 3G-OTH-80266
Need installation or engineering help?
Ask a question
Product Description
The Dayton Centrifugal Downblast Roof Exhaust Fan is a belt-drive, clean air fan (MPN 4YU99) designed for roof mounting. It features a 24-inch wheel, a square base, and a single-speed, unassembled configuration supplied without a drive package. This model 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 4YU99 centrifugal downblast roof exhaust fan used for?
The Dayton 4YU99 is a belt-drive, clean air roof exhaust fan designed for general ventilation in commercial or industrial buildings. It moves clean air through roof-mounted ductwork and is not intended for high-static pressure applications or particulate-laden airstreams.
What are the specifications of the Dayton 4YU99 roof exhaust fan?
The Dayton 4YU99 features a 24-inch wheel, square base, single-speed operation, and belt-drive design. It is supplied unassembled without a drive package. This model is for roof mounting and clean air only, not for high-static pressure applications.
Where to buy the Dayton 4YU99 roof exhaust fan worldwide?
3G Electric supplies the Dayton 4YU99 centrifugal downblast roof exhaust fan to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and a quote tailored to your location.
How to install the Dayton 4YU99 unassembled roof exhaust fan?
Installation requires assembling the fan housing, mounting the square base on a roof curb, and connecting ductwork. Since the unit is supplied less drive pack, you must source and install a compatible motor and belt drive per Dayton's guidelines. Always follow local codes and use qualified personnel.
Used in
Common applications for DaytonDayton Products
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.
