Downblast Less Drive Package, 24-1/2In

Mfr # 5EFH8
Zoro # G2844983

$1,733.99

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Key Features

Drive Package With Motor Included No
Duty Rating - Roof Ventilators Standard
Drive Type - Roof Ventilators Belt Drive
Mounting Location - Roof Ventilators Roof
Number of Speeds 1

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Product Information

Brand Dayton
MFR # 5EFH8
Zoro # G2844983
UPC #
190735343470
Country of Origin United States
Category Belt Drive Centrifugal Exhaust Vents

Dimensions

Base Size - Roof Ventilators	34 in x 34 in
Overall Height	40 1/8 in
Dimension A	34 in
Base Width	34 in
Base Length	34 in
Dimension B	42 3/4 in
Dimension C	38 3/8 in
Overall Dia.	38 3/8 in
Wheel Dia.	24 1/2 in
Base Height	1.8 in
Dimension D	5 3/4 in
Shaft Dia. Sheave End	1 in
Recommended Damper Size (In.)	27 x 27
Shaft Dia. Wheel End	1 in
Overall Length	42 3/4 in
Overall Width	38 3/8 in
Overall Diameter	42 3/4 in
Cutout Length	29.5 in
Wheel Diameter	24 in
Housing Length	42.8 in
Housing Width	42.8 in
Damper Size	27 x 27 in
Cutout Size	29.5 in L x 29.5 in W
Propeller Shaft Diameter	1 in

Details

Item - Roof Ventilators	Downblast Ventilator
Drive Package With Motor Included	No
Duty Rating - Roof Ventilators	Standard
Drive Type - Roof Ventilators	Belt Drive
Mounting Location - Roof Ventilators	Roof
Number of Speeds	1
CFM Range	3799 to 7485 @ 0.0 in SP
Includes	NEMA 1 Junction Box
Standards	AMCA Sound and Air, UL/cUL 705
Adj. 6 3/8"H Roof Curb Stock No.	3C438
Motor HP Range	1/4 to 2
Requires	Roof curb for new installations
Max. Inlet Temp.	180 Degrees
Drive Type	Belt Drive
Adj. 12 3/8"H Roof Curb Stock No.	2ZV84
Wheel Type	Backward Inclined
Item	Centrifugal Downblast Roof Exhaust Fan
Wheel Material	Aluminum
Recommended 12 In. Fixed Curb Item No.	2RB80
Bearing Type	Regreasable Pillow Block
Recommended 8 In. Fixed Curb Item No.	4HX42
Housing Material	Aluminum
Recommended Damper Stock No.	4HX68
Mounting Location	Roof
RPM Range	500 to 985
Speed Controllable	No
Features	Air Handling Quality Bearings Meet Minimum of L10-100,000 Hours, Features a Fully Rolled Windband Bead for Increased Stability and Easy Transport, Fresh Outside Air is Drawn in Under the Motor Cover to Maximize Motor Life, Nema 1 Junction Box Located in Motor Enclosure, Nonoverloading Centrifugal Wheel Design, Optional Nema 1 and 4 Disconnects Available
Application	Industrial and Commercial Buildings
For Air Type	Clean Air
Noise Level @ 0.000 in SP @ 5 ft	8.8 sones
Base Shape	Square
Power Source	Electric Motor
Maximum Fan Speed	985 RPM
Maximum Motor Speed	985 RPM
Minimum Airflow	2,526 cfm
Electrical Connection	Power Cord
Safety Features	Birdscreen, Windband
Maximum Inlet Air Temperature	180 Degrees F
Includes Drive Package	No
Housing Material Fabrication	Spun
Resistance Properties	Weather Resistant
Mount Type	Roof Curb
Minimum Motor Speed	500 RPM
Maximum Static Pressure	1 1/2 in wc
Compatible Curb Manufacturer Part Number	2RB80, 2ZV84, 3C438, 4C455, 4HX42, 4HX50
For High-Static Pressure Applications	No
Maximum Motor Horsepower	2 hp
Brake Horsepower	13/50 hp
Minimum Motor Horsepower	1/4 hp
Assembly	Unassembled
Maximum Airflow	7,485 cfm
Includes Motor	No
Sound Level	Fan RPM 500: 8.8 sones @ 0.000 in SP and 5 ft, 8.4 sones @ 0.125 in SP and 5 ft, 7.9 sones @ 0.250 in SP and 5 ft, 7.5 sones @ 0.375 in SP and 5 ft, Fan RPM 550: 10.0 sones @ 0.000 in SP and 5 ft, 9.6 sones @ 0.125 in SP and 5 ft, 8.9 sones @ 0.250 in SP and 5 ft, 8.4 sones @ 0.375 in SP and 5 ft, 8.0 sones @ 0.500 in SP and 5 ft, Fan RPM 640: 13.0 sones @ 0.000 in SP and 5 ft, 12.8 sones @ 0.125 in SP and 5 ft, 12.1 sones @ 0.250 in SP and 5 ft, 11.2 sones @ 0.375 in SP and 5 ft, 10.5 sones @ 0.500 in SP and 5 ft, 9.7 sones @ 0.625 in SP and 5 ft, Fan RPM 710: 15.0 sones @ 0.000 in SP and 5 ft, 14.9 sones @ 0.125 in SP and 5 ft, 14.4 sones @ 0.250 in SP and 5 ft, 13.6 sones @ 0.375 in SP and 5 ft, 12.8 sones @ 0.500 in SP and 5 ft, 12.1 sones @ 0.625 in SP and 5 ft, 11.2 sones @ 0.750 in SP and 5 ft, 10.3 sones @ 0.875 in SP and 5 ft, Fan RPM 800: 16.6 sones @ 0.000 in SP and 5 ft, 16.4 sones @ 0.125 in SP and 5 ft, 16.1 sones @ 0.250 in SP and 5 ft, 15.6 sones @ 0.375 in SP and 5 ft, 15.2 sones @ 0.500 in SP and 5 ft, 14.6 sones @ 0.625 in SP and 5 ft, 14.2 sones @ 0.750 in SP and 5 ft, 13.4 sones @ 0.875 in SP and 5 ft, 12.5 sones @ 1.000 in SP and 5 ft, Fan RPM 895: 19.4 sones @ 0.000 in SP and 5 ft, 19.1 sones @ 0.125 in SP and 5 ft, 18.8 sones @ 0.250 in SP and 5 ft, 18.5 sones @ 0.375 in SP and 5 ft, 18.2 sones @ 0.500 in SP and 5 ft, 18.0 sones @ 0.625 in SP and 5 ft, 17.6 sones @ 0.750 in SP and 5 ft, 17.3 sones @ 0.875 in SP and 5 ft, 16.9 sones @ 1.000 in SP and 5 ft, 15.5 sones @ 1.250 in SP and 5 ft, Fan RPM 985: 23.0 sones @ 0.000 in SP and 5 ft, 23.0 sones @ 0.125 in SP and 5 ft, 23.0 sones @ 0.250 in SP and 5 ft, 22.0 sones @ 0.375 in SP and 5 ft, 22.0 sones @ 0.500 in SP and 5 ft, 22.0 sones @ 0.625 in SP and 5 ft, 2.0 sones @ 0.750 in SP and 5 ft, 21.0 sones @ 0.875 in SP and 5 ft, 21.0 sones @ 1.000 in SP and 5 ft, 20.0 sones @ 1.250 in SP and 5 ft, 19.0 sones @ 1.500 in SP and 5 ft
Spark Resistant Construction Type	A

Description

Centrifugal Downblast Roof Exhaust Fan, Drive Type Belt Drive, Assembly Unassembled, Mounting Location Roof, Wheel Diameter 24 in, Base Diameter Not Applicable, Base Length 34 in, Base Width 34 in, Base Shape Square, Minimum Airflow 2,526 cfm, Maximum Airflow 7,485 cfm, Maximum Motor Horsepower 2 hp, Minimum Motor Horsepower 1/4 hp, Minimum Motor Speed 500 RPM, Maximum Motor Speed 985 RPM, Maximum Static Pressure 1 1/2 in wc, For High-Static Pressure Applications No

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Downblast Less Drive Package, 24-1/2In

Mfr # 5EFH8

Zoro # G2844983

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