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

Dayton Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack - Clean Air Belt-Drive Fans with Drive
DaytonClean Air Belt-Drive Fans with Drive

Dayton Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack

The Dayton Centrifugal Downblast Roof Exhaust Fan (SKU 7AU77) is a belt-drive clean air fan with a drive package, designed for roof mounting. It features a 24 1/2 in wheel, delivers 6,801 cfm, and operates with a…

SKU 3G-OTH-81060

Brand
Dayton
Item
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack
Category
Clean Air Belt-Drive Fans with Drive
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

Technical Specifications

Dayton
Manufacturer Part Number
7AU77
Type
Includes Drive Pack, 6,801 cfm
Wheel
24 1/2 in
Assembly
Unassembled
Base Shape
Square
Drive Package
Includes Drive Package
Motor Enclosure
Open Dripproof
Motor Efficiency
Standard-Efficiency Motors
Number of Speeds
1
Mounting Location
Roof
Nameplate Voltage
115/230V AC
High-Efficiency Motor
No
Exhaust Airflow @ 0.000 in SP - Range
5,000 to 10,000 cfm
Exhaust Airflow @ 0.500 in SP - Range
5,000 to 10,000 cfm
For High-Static Pressure Applications
No
View Full Spec Sheet

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 Centrifugal Downblast Roof Exhaust Fan (SKU 7AU77) is a belt-drive clean air fan with a drive package, designed for roof mounting. It features a 24 1/2 in wheel, delivers 6,801 cfm, and operates with a single-speed, standard-efficiency, open dripproof motor at 115/230V AC. The unit is unassembled with 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 7AU77 centrifugal downblast roof exhaust fan used for?

The Dayton 7AU77 is a belt-drive clean air fan for roof mounting, exhausting general ventilation air at up to 6,801 cfm. It suits low-static-pressure applications in industrial or commercial buildings where reliable, continuous air removal is needed.

What are the specifications of the Dayton 7AU77 roof exhaust fan?

The Dayton 7AU77 has a 24 1/2 in wheel, delivers 6,801 cfm, and includes a drive package. It uses a single-speed, standard-efficiency, open dripproof motor rated 115/230V AC. The unassembled unit has a square base and is not for high-static-pressure applications.

Where to buy the Dayton 7AU77 roof exhaust fan worldwide?

3G Electric supplies the Dayton 7AU77 centrifugal downblast roof exhaust fan to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this belt-drive fan.

How to install the Dayton 7AU77 unassembled roof exhaust fan?

Since the Dayton 7AU77 ships unassembled, follow the manufacturer's instructions to mount the motor, wheel, and drive package on the square base. Ensure proper roof curb sealing and electrical connection at 115/230V AC. Use a licensed contractor for safe installation.

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 belt-drive fans with drive. 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

Similar products

Matched by specification & description
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 24 1/2 in Wheel, 6,079 cfm (MPN 7AU76). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Motor Enclosure: Open Dripproof; Mounting Location: Roof; Nameplate Voltage: 208-230/460V AC.
Dayton
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 24 1/2 in Wheel, 6,079 cfm (MPN 7AU76). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Motor Enclosure: Open Dripproof; Mounting Location: Roof; Nameplate Voltage: 208-230/460V AC.
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 24 1/2 in Wheel, 6,079 cfm (MPN 7AU75). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Motor Enclosure: Open Dripproof; Mounting Location: Roof; Nameplate Voltage: 115/208-230V AC.
Dayton
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 24 1/2 in Wheel, 6,079 cfm (MPN 7AU75). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Motor Enclosure: Open Dripproof; Mounting Location: Roof; Nameplate Voltage: 115/208-230V AC.
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 24 1/2 in Wheel, 6,801 cfm (MPN 7AU78). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Motor Enclosure: Open Dripproof; Mounting Location: Roof; Nameplate Voltage: 208-230/460V AC.
Dayton
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 24 1/2 in Wheel, 6,801 cfm (MPN 7AU78). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Motor Enclosure: Open Dripproof; Mounting Location: Roof; Nameplate Voltage: 208-230/460V AC.
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 24 1/2 in Wheel, 5,395 cfm (MPN 7AU73). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Motor Enclosure: Open Dripproof; Mounting Location: Roof; Nameplate Voltage: 115/208-230V AC.
Dayton
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 24 1/2 in Wheel, 5,395 cfm (MPN 7AU73). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Motor Enclosure: Open Dripproof; Mounting Location: Roof; Nameplate Voltage: 115/208-230V AC.
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 24 1/2 in Wheel, 7,485 cfm (MPN 7AU79). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Motor Enclosure: Open Dripproof; Mounting Location: Roof; Nameplate Voltage: 208-230/460V AC.
Dayton
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 24 1/2 in Wheel, 7,485 cfm (MPN 7AU79). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Motor Enclosure: Open Dripproof; Mounting Location: Roof; Nameplate Voltage: 208-230/460V AC.
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 24 1/2 in Wheel, 4,863 cfm (MPN 7AU72). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Motor Enclosure: Open Dripproof; Mounting Location: Roof; Nameplate Voltage: 208-230/460V AC.
Dayton
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 24 1/2 in Wheel, 4,863 cfm (MPN 7AU72). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Motor Enclosure: Open Dripproof; Mounting Location: Roof; Nameplate Voltage: 208-230/460V AC.

More from Dayton

View all Dayton parts
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 18 1/2 in Wheel, 4,102 cfm (MPN 7A657). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Motor Enclosure: Open Dripproof; Mounting Location: Roof; Nameplate Voltage: 208-230/440V AC.
Dayton
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 18 1/2 in Wheel, 4,102 cfm (MPN 7A657). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Motor Enclosure: Open Dripproof; Mounting Location: Roof; Nameplate Voltage: 208-230/440V AC.
Axial Upblast Roof Exhaust Fan: Belt Drive, 36 in Blade, 17,455 cfm, TEFC, 1 1/2 hp, 115/208-230V AC (MPN 7A863). Key specifications — Number of Speeds: 1; Nameplate Voltage: 115/208-230V AC; Brand: DAYTON.
Dayton
Axial Upblast Roof Exhaust Fan: Belt Drive, 36 in Blade, 17,455 cfm, TEFC, 1 1/2 hp, 115/208-230V AC (MPN 7A863). Key specifications — Number of Speeds: 1; Nameplate Voltage: 115/208-230V AC; Brand: DAYTON.
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 14 3/4 in Wheel, 3,163 cfm (MPN 7AX50). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Motor Enclosure: Open Dripproof; Mounting Location: Roof; Nameplate Voltage: 115/230V AC.
Dayton
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 14 3/4 in Wheel, 3,163 cfm (MPN 7AX50). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Motor Enclosure: Open Dripproof; Mounting Location: Roof; Nameplate Voltage: 115/230V AC.
DAYTON Tubeaxial Fan: Clean Air, 42 in Blade, 25,320 cfm @ 0.000 in SP, 230V AC, 1 Phase, Belt Drive (MPN 7AG16). Key specifications — Brand: DAYTON; Includes Drive Package: Yes; Spark Resistant Construction Type: B; Assembly: Unassembled; Nameplate Voltage: 230V AC; Mounting Orientation: Vertical; Hazardous Location Specification: Not Rated; Motor Enclosure: Totally Enclosed Fan Cooled.
Dayton
DAYTON Tubeaxial Fan: Clean Air, 42 in Blade, 25,320 cfm @ 0.000 in SP, 230V AC, 1 Phase, Belt Drive (MPN 7AG16). Key specifications — Brand: DAYTON; Includes Drive Package: Yes; Spark Resistant Construction Type: B; Assembly: Unassembled; Nameplate Voltage: 230V AC; Mounting Orientation: Vertical; Hazardous Location Specification: Not Rated; Motor Enclosure: Totally Enclosed Fan Cooled.
Axial Upblast Roof Exhaust Fan: Belt Drive, 42 in Blade, 23,987 cfm, ODP, 2 hp, 115/208-230V AC, 1 (MPN 7HZ28). Key specifications — Number of Speeds: 1; Nameplate Voltage: 115/208-230V AC; Brand: DAYTON.
Dayton
Axial Upblast Roof Exhaust Fan: Belt Drive, 42 in Blade, 23,987 cfm, ODP, 2 hp, 115/208-230V AC, 1 (MPN 7HZ28). Key specifications — Number of Speeds: 1; Nameplate Voltage: 115/208-230V AC; Brand: DAYTON.
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 14 3/4 in Wheel, 3,163 cfm (MPN 7A652). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Motor Enclosure: Open Dripproof; Mounting Location: Roof; Nameplate Voltage: 208-230/440V AC.
Dayton
Centrifugal Downblast Roof Exhaust Fan: Belt Drive, Includes Drive Pack, 14 3/4 in Wheel, 3,163 cfm (MPN 7A652). Key specifications — Assembly: Unassembled; Base Shape: Square; Brand: DAYTON; High-Efficiency Motor: No; For High-Static Pressure Applications: No; Motor Enclosure: Open Dripproof; Mounting Location: Roof; Nameplate Voltage: 208-230/440V AC.
DAYTON Tubeaxial Fan: Clean Air, 12 in Blade, 1,904 cfm @ 0.000 in SP, 115/208-230V AC, 1 Phase (MPN 7F927). Key specifications — Brand: DAYTON; Includes Drive Package: Yes; Spark Resistant Construction Type: B; Assembly: Unassembled; Nameplate Voltage: 115/208-230V AC; Mounting Orientation: Horizontal; Hazardous Location Specification: Not Rated; Motor Enclosure: Totally Enclosed Fan Cooled.
Dayton
DAYTON Tubeaxial Fan: Clean Air, 12 in Blade, 1,904 cfm @ 0.000 in SP, 115/208-230V AC, 1 Phase (MPN 7F927). Key specifications — Brand: DAYTON; Includes Drive Package: Yes; Spark Resistant Construction Type: B; Assembly: Unassembled; Nameplate Voltage: 115/208-230V AC; Mounting Orientation: Horizontal; Hazardous Location Specification: Not Rated; Motor Enclosure: Totally Enclosed Fan Cooled.
Axial Upblast Roof Exhaust Fan: Belt Drive, 60 in Blade, 58,455 cfm, TEFC, 7 1/2 hp, 230V AC, 1 (MPN 7A910). Key specifications — Number of Speeds: 1; Nameplate Voltage: 230V AC; Brand: DAYTON.
Dayton
Axial Upblast Roof Exhaust Fan: Belt Drive, 60 in Blade, 58,455 cfm, TEFC, 7 1/2 hp, 230V AC, 1 (MPN 7A910). Key specifications — Number of Speeds: 1; Nameplate Voltage: 230V AC; Brand: DAYTON.