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Dayton Centrifugal Roof Supply Fan: 12 1/4 in Wheel, 1,705 cfm, 2 3/4 in wc Max. - Belt-Drive Filtered Supply Fans with Drive
DaytonBelt-Drive Filtered Supply Fans with Drive

Dayton Centrifugal Roof Supply Fan: 12 1/4 in Wheel, 1,705 cfm, 2 3/4 in wc Max.

The DAYTON Centrifugal Roof Supply Fan (SKU 857PP4) is a belt-drive filtered supply fan with a 12 1/4 in wheel, delivering 1,705 cfm at 2 3/4 in wc maximum static pressure. It features a 1 hp, 3-phase motor with…

SKU 3G-OTH-79061

Brand
Dayton
Item
Centrifugal Roof Supply Fan: 12 1/4 in Wheel, 1,705 cfm, 2 3/4 in wc Max.
Category
Belt-Drive Filtered Supply Fans with Drive
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Technical Specifications

Dayton
Manufacturer Part Number
857PP4
Type
1,705 cfm, 2 3/4 in wc Max., 1 hp, Roof
Ph
3
Number of Speeds
Variable
Nameplate Voltage
115/208-230V AC
Motor Enclosure Design Broad
Totally Enclosed Motor
View Full Spec Sheet

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

Product Description

The DAYTON Centrifugal Roof Supply Fan (SKU 857PP4) is a belt-drive filtered supply fan with a 12 1/4 in wheel, delivering 1,705 cfm at 2 3/4 in wc maximum static pressure. It features a 1 hp, 3-phase motor with variable speeds and a totally enclosed design, operating on 115/208-230V AC or 277V AC. This unit is designed for roof-mount applications.

Frequently Asked Questions

What is the Dayton 857PP4 centrifugal roof supply fan used for?

The Dayton 857PP4 is a belt-drive filtered supply fan designed for roof-mount applications. It delivers 1,705 cfm at up to 2 3/4 in wc static pressure, making it suitable for commercial or industrial ventilation systems requiring filtered air intake.

What are the specifications of the Dayton 857PP4 roof supply fan?

The Dayton 857PP4 features a 12 1/4 in wheel, 1 hp, 3-phase motor with variable speeds, and a totally enclosed design. It operates on 115/208-230V AC or 277V AC. Maximum static pressure is 2 3/4 in wc at 1,705 cfm.

Where to buy the Dayton 857PP4 centrifugal roof supply fan worldwide?

3G Electric supplies the Dayton 857PP4 centrifugal roof supply fan worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install a Dayton belt-drive filtered supply fan?

Mount the Dayton 857PP4 on a roof curb per local codes, ensuring structural support. Connect wiring for 115/208-230V AC or 277V AC per the motor nameplate. Adjust belt tension and verify variable-speed drive settings. Always follow manufacturer guidelines for safe operation.

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 belt-drive filtered supply fans with drive. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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