We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

Dayton Axial Downblast Roof Supply Fan: 20 in Blade, Direct Drive, Includes Drive Pack - Clean Air Direct-Drive Fans
DaytonClean Air Direct-Drive Fans

Dayton Axial Downblast Roof Supply Fan: 20 in Blade, Direct Drive, Includes Drive Pack

The Dayton Axial Downblast Roof Supply Fan (SKU 3G-OTH-77927) is a clean air direct-drive fan with a 20-inch blade. It features a standard-efficiency, open dripproof motor with a single speed and delivers 5,355 cfm…

SKU 3G-OTH-77927

Brand
Dayton
Item
Axial Downblast Roof Supply Fan: 20 in Blade, Direct Drive, Includes Drive Pack
Category
Clean Air Direct-Drive Fans
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

Dayton
Type
Direct Drive, Includes Drive Pack, 5,355 cfm, ODP, 1
Motor Efficiency
Standard-Efficiency Motor
Number of Speeds
1
Mounting Location
Roof
Motor Enclosure Design Broad
Open Dripproof Motor

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

Dayton Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Dayton Axial Downblast Roof Supply Fan (SKU 3G-OTH-77927) is a clean air direct-drive fan with a 20-inch blade. It features a standard-efficiency, open dripproof motor with a single speed and delivers 5,355 cfm. This unit includes a drive pack and is designed for roof mounting.

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 () is used for clean-air supply ventilation in industrial and commercial roof-mounted applications. It delivers 5,355 cfm with a 20-inch blade and a standard-efficiency open dripproof motor, making it suitable for general exhaust or intake in factories and warehouses.

What are the specifications of the Dayton fan?

The Dayton is a direct-drive axial downblast roof supply fan with a 20-inch blade, single-speed operation, and a standard-efficiency open dripproof motor. It delivers 5,355 cfm and includes a drive pack. The unit is designed for roof mounting and is part of Dayton's clean air fan series.

Where to buy the Dayton roof supply fan worldwide?

3G Electric supplies the Dayton axial downblast roof supply fan to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this direct-drive fan with a 20-inch blade and 5,355 cfm capacity.

How to install a Dayton downblast roof supply fan?

Install the Dayton on a roof curb or structural support, ensuring the mounting surface is level and sealed against weather. Connect the open dripproof motor to a dedicated power supply per local codes. Secure the drive pack and verify blade rotation before startup. Always follow the manufacturer's manual for torque and clearance requirements.

Used in

Common applications for Dayton
HVAC ventilation — DAYTON centrifugal upblast roof exhaust fans (SKU 7M7U3) for kitchen exhaust systems
Mechanical power transmission — DAYTON HTD timing pulleys (SKU 404GV0) for conveyor belt drives
Process water handling — DAYTON self-priming centrifugal pumps (SKU 2ZXT4) for dewatering or transfer
Roofing and building services — DAYTON fixed ventilated roof curbs (SKU 4HX59) for filtered supply fan installations
Material handling — DAYTON latch assemblies (SKU 2KEN4) for electric chain hoist hook safety
Industrial air movement — DAYTON downblast roof exhaust fans (SKU 3HFL9) for clean air exhaust in manufacturing plants

Dayton Products

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
This Dayton clean air direct-drive fan is designed for roof-mounted supply or exhaust ventilation in commercial and industrial settings. It delivers 3,488 cfm with a single-speed, standard-efficiency open dripproof motor. The unit includes a drive pack and is suitable for general air movement applications
Dayton
This Dayton clean air direct-drive fan is designed for roof-mounted supply or exhaust ventilation in commercial and industrial settings. It delivers 3,488 cfm with a single-speed, standard-efficiency open dripproof motor. The unit includes a drive pack and is suitable for general air movement applications
Axial Downblast Roof Supply Fan: 16 in Blade, Direct Drive, Includes Drive Pack, 2,353 cfm, ODP, 1
Dayton
Axial Downblast Roof Supply Fan: 16 in Blade, Direct Drive, Includes Drive Pack, 2,353 cfm, ODP, 1
Axial Downblast Roof Supply Fan: 24 in Blade, Direct Drive, Includes Drive Pack, 4,569 cfm, OAO, 1
Dayton
Axial Downblast Roof Supply Fan: 24 in Blade, Direct Drive, Includes Drive Pack, 4,569 cfm, OAO, 1
Axial Downblast Roof Supply Fan: 24 in Blade, Direct Drive, Includes Drive Pack, 5,742 cfm, OAO, 1
Dayton
Axial Downblast Roof Supply Fan: 24 in Blade, Direct Drive, Includes Drive Pack, 5,742 cfm, OAO, 1
Axial Downblast Roof Supply Fan: 14 in Blade, Direct Drive, Includes Drive Pack, 2,586 cfm, ODP, 1
Dayton
Axial Downblast Roof Supply Fan: 14 in Blade, Direct Drive, Includes Drive Pack, 2,586 cfm, ODP, 1
Axial Downblast Roof Supply Fan: 18 in Blade, Direct Drive, Includes Drive Pack, 3,906 cfm, OAO, 1
Dayton
Axial Downblast Roof Supply Fan: 18 in Blade, Direct Drive, Includes Drive Pack, 3,906 cfm, OAO, 1

More from Dayton

View all Dayton parts
This direct-drive axial downblast roof exhaust fan is designed for industrial and commercial clean-air applications. It features a 12-inch blade, delivers 1,014 cfm, and includes a drive package. The fan has a square base, an open air over motor enclosure, and operates on 115V AC at a single speed. It is assembled and intended for roof mounting to exhaust heat, fumes, or stale air
Dayton
This direct-drive axial downblast roof exhaust fan is designed for industrial and commercial clean-air applications. It features a 12-inch blade, delivers 1,014 cfm, and includes a drive package. The fan has a square base, an open air over motor enclosure, and operates on 115V AC at a single speed. It is assembled and intended for roof mounting to exhaust heat, fumes, or stale air
This Dayton direct-drive fan is designed for clean air ventilation applications. It features a 12-inch blade, delivers 1627 cfm at 0.000 in static pressure, and is powered by a 115V AC, 1-phase, 1/4 hp capacitor-start motor with a totally enclosed air-over enclosure. The fan operates at two speeds, mounts horizontally, and comes fully assembled with a drive package
Dayton
This Dayton direct-drive fan is designed for clean air ventilation applications. It features a 12-inch blade, delivers 1627 cfm at 0.000 in static pressure, and is powered by a 115V AC, 1-phase, 1/4 hp capacitor-start motor with a totally enclosed air-over enclosure. The fan operates at two speeds, mounts horizontally, and comes fully assembled with a drive package
This Dayton clean air direct-drive fan features a 30-inch blade and delivers 14,792 cfm at 0.000 in SP. It operates on 200-230/460V AC, 3-phase power with a 1-speed totally enclosed air-over motor. The fan is assembled, includes a drive package, and is designed for horizontal mounting. Suitable for general ventilation, cooling, or exhaust in industrial and commercial spaces
Dayton
This Dayton clean air direct-drive fan features a 30-inch blade and delivers 14,792 cfm at 0.000 in SP. It operates on 200-230/460V AC, 3-phase power with a 1-speed totally enclosed air-over motor. The fan is assembled, includes a drive package, and is designed for horizontal mounting. Suitable for general ventilation, cooling, or exhaust in industrial and commercial spaces
This direct-drive axial fan is designed for roof-mounted clean air supply or exhaust in commercial and industrial ventilation systems. It delivers 4,247 cfm with a single-speed, standard-efficiency open dripproof motor and includes a drive pack
Dayton
This direct-drive axial fan is designed for roof-mounted clean air supply or exhaust in commercial and industrial ventilation systems. It delivers 4,247 cfm with a single-speed, standard-efficiency open dripproof motor and includes a drive pack
This Dayton clean air direct-drive fan is assembled with a 16-inch blade, delivering 2763 cfm at 0.000 in static pressure. It operates on 115V AC, single phase, with a 1/3 hp capacitor-start motor in a totally enclosed air-over enclosure. The fan is designed for horizontal mounting, offers two speeds, and includes a drive package. Typical applications include general ventilation, cooling, and exhaust in industrial and commercial settings
Dayton
This Dayton clean air direct-drive fan is assembled with a 16-inch blade, delivering 2763 cfm at 0.000 in static pressure. It operates on 115V AC, single phase, with a 1/3 hp capacitor-start motor in a totally enclosed air-over enclosure. The fan is designed for horizontal mounting, offers two speeds, and includes a drive package. Typical applications include general ventilation, cooling, and exhaust in industrial and commercial settings
Direct-drive axial downblast roof supply fan with a 16-inch blade, delivering 2,920 cfm. Includes a drive pack and features a single-speed, standard-efficiency open dripproof motor. Designed for roof mounting and configured for outdoor air operation (OAO). Suitable for general exhaust or intake ventilation in commercial or industrial settings
Dayton
Direct-drive axial downblast roof supply fan with a 16-inch blade, delivering 2,920 cfm. Includes a drive pack and features a single-speed, standard-efficiency open dripproof motor. Designed for roof mounting and configured for outdoor air operation (OAO). Suitable for general exhaust or intake ventilation in commercial or industrial settings
Assembled direct-drive fan with a square base and 13 3/4 in wheel. Includes drive package; 1/6 hp standard-efficiency motor with open air over enclosure. Single-speed operation at 115V AC. Designed for roof-mounted exhaust of clean air in general ventilation applications, delivering up to 1,999 cfm at 0.000 in SP and 0.500 in SP. Not for high-static-pressure uses
Dayton
Assembled direct-drive fan with a square base and 13 3/4 in wheel. Includes drive package; 1/6 hp standard-efficiency motor with open air over enclosure. Single-speed operation at 115V AC. Designed for roof-mounted exhaust of clean air in general ventilation applications, delivering up to 1,999 cfm at 0.000 in SP and 0.500 in SP. Not for high-static-pressure uses
This Dayton clean air direct-drive tubeaxial fan is assembled with a 24-inch blade and delivers 8,555 cfm at 0.000 in SP. It features a 1-speed, 3-phase motor with a Totally Enclosed Air Over enclosure, rated for 200-230/460V AC. The unit includes a drive package and is designed for vertical mounting, suitable for general ventilation and exhaust applications
Dayton
This Dayton clean air direct-drive tubeaxial fan is assembled with a 24-inch blade and delivers 8,555 cfm at 0.000 in SP. It features a 1-speed, 3-phase motor with a Totally Enclosed Air Over enclosure, rated for 200-230/460V AC. The unit includes a drive package and is designed for vertical mounting, suitable for general ventilation and exhaust applications