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Downblast Vent, Direct Drive, 18-1/2 In

Mfr # 4YC76
Zoro # G2496277

$1,574.99

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Key Features

Drive Package With Motor Included Yes
Duty Rating - Roof Ventilators Standard
Drive Type - Roof Ventilators Direct Drive
Mounting Location - Roof Ventilators Roof
Number of Speeds 1

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Product Information

Brand Dayton
MFR # 4YC76
Zoro # G2496277
UPC #
190735337745
Country of Origin United States
Category Direct Drive Centrifugal Exhaust Ventilators

Dimensions

Base Size - Roof Ventilators	30 in x 30 in
Base Length	30 in
Overall Dia.	35 1/2 in
Wheel Dia.	18 1/2 in
Shaft Dia. Wheel End	5/8 in
Dimension B	35 1/2 in
Dimension D	5 1/2 in
Overall Height	29 3/4 in
Base Width	30 in
Base Square Size - Roof Ventilators	30" x 30"
Base Height	1 3/4 in
Dimension A	30 in
Dimension C	28 in
Overall Length	35 1/2 in
Overall Width	35 1/2 in
Overall Diameter	35 1/2 in
Damper Size	23 x 23 in
Base Dimension	30 in Square
Housing Length	35.5 in
Propeller Shaft Diameter	5/8 in
Cutout Length	25.5 in
Cutout Size	25.5 in L x 25.5 in W
Wheel Diameter	18 in
Housing Width	35.5 in

Details

Item - Roof Ventilators	Downblast Ventilator
Drive Package With Motor Included	Yes
Duty Rating - Roof Ventilators	Standard
Drive Type - Roof Ventilators	Direct Drive
Mounting Location - Roof Ventilators	Roof
Number of Speeds	1
Voltage - Roof Ventilators	115V AC
Motor HP - Roof Ventilators	1/3 hp
CFM @ 0.000-In. SP	3344
Recommended 8 In. Fixed Curb Item No.	4HX41
Assembled/Unassembled	Assembled
CFM @ 0.750-In. SP	2015
Housing Material	Aluminum
Adj. 6 3/8"H Roof Curb Stock No.	4c454
CFM @ 0.125-In. SP	3202
Item	Centrifugal Downblast Roof Exhaust Fan
Mounting Location	Roof
CFM @ 0.375-In. SP	2863
Includes	NEMA 1 Junction Box
RPM	860
Speed Control	48C172
Sones @ 0.125-In. SP @ 5 Ft.	10.8
Max. BHP	0.42 hp
Hz	60
CFM @ 0.500-In. SP	2647
Motor HP	1/3
Wheel Material	Aluminum
Phase	1
Speed Controllable	Variable Speed
Agency Compliance	AMCA Sound & Air, CSA Certified Motor, UL/cUL 705
Recommended 12 In. Fixed Curb Item No.	2RB79
Wheel Type	Backward Inclined
Sones @ 0.250-In. SP @ 5 Ft.	9.8
CFM @ 0.250-In. SP	3049
Max. Inlet Temp.	130 Degrees
Motor Voltage	115
Max. Operating Amps	6
CFM @ 0.625-In. SP	2386
Adj. 12 3/8"H Roof Curb Stock No.	2ZV83
Drive Type	Direct Drive
Drive Package Included	Yes
Standards	AMCA Sound and Air, CSA, UL/cUL 705
Application	Industrial and Commercial Applications
Features	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
Material	Aluminum Blade with Aluminum Housing
Exhaust Airflow @ 0.250 in SP	3,049 cfm
Maximum Ambient Temperature	130 Degrees F
Maximum Inlet Air Temperature	130 Degrees F
Mount Type	Roof Curb
Brake Horsepower	21/50 hp
Assembly	Assembled
Motor Speed	860 RPM
Motor Efficiency	Standard-Efficiency Motors
Mounting Orientation	Vertical
Safety Features	Birdscreen, Windband
Compatible Speed Control	48C172
Exhaust Airflow @ 0.000 in SP - Range	2,000 to 4,999 cfm
Motor Location	Out of Airstream
Base Shape	Square
For Air Type	Clean Air
Nameplate Voltage	115V AC
Exhaust Airflow @ 0.375 in SP	2,863 cfm
Spark Resistant Construction Type	A
Motor Enclosure Design	Open Air-Over (OAO)
Compatible Curb Manufacturer Part Number	2RB79, 2ZV83, 3C437, 4C454, 4HX41, 4HX49
Airflow @ 0.000 in SP - Range	2,000 to 4,999 cfm
Housing Material Fabrication	Spun
Motor Horsepower	1/3 hp
Exhaust Airflow @ 0.500 in SP	2,647 cfm
For High-Static Pressure Applications	No
Electrical Connection	Power Cord
Maximum Fan Speed	860 RPM
Nominal Voltage	115V AC
High-Efficiency Motor	No
Airflow @ 0.000 in SP	3,344 cfm
Includes Drive Package	Yes
Sound Level	10.1 sones @ 0.000 in SP and 5 ft, 10.8 sones @ 0.125 in SP and 5 ft, 8.1 sones @ 0.750 in SP and 5 ft, 8.8 sones @ 0.625 in SP and 5 ft, 9.1 sones @ 0.500 in SP and 5 ft, 9.3 sones @ 0.375 in SP and 5 ft, 9.8 sones @ 0.250 in SP and 5 ft
Frequency	60 Hz
Exhaust Airflow @ 0.125 in SP	3,202 cfm
Exhaust Airflow @ 0.500 in SP - Range	2,000 to 4,999 cfm
Includes Motor	Yes
Exhaust Airflow @ 0.000 in SP	3,344 cfm
Motor Enclosure	Open Air Over
Maximum Static Pressure	3/4 in wc
Current	5.5 A

Description

Centrifugal Downblast Roof Exhaust Fan, Drive Type Direct Drive, Assembly Assembled, Wheel Diameter 18 in, Base Diameter Not Applicable, Base Length 30 in, Base Width 30 in, Base Shape Square, Nameplate Voltage 115V AC, Phase 1, Motor Horsepower 1/3 hp, Exhaust Airflow @ 0.000 in SP 3,344 cfm, For High-Static Pressure Applications No, High-Efficiency Motor No, For Air Type Clean Air, Includes Drive Package Yes, Includes Motor Yes, Mounting Location Roof, Maximum Static Pressure 3/4 in wc

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Downblast Vent, Direct Drive, 18-1/2 In

Mfr # 4YC76

Zoro # G2496277

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