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Downblast Vent, Direct Drive, 16-3/4 In

Mfr # 4YC72
Zoro # G2201516

$1,012.99

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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 # 4YC72
Zoro # G2201516
UPC #
190735337721
Country of Origin United States
Category Direct Drive Centrifugal Exhaust Ventilators

Dimensions

Base Size - Roof Ventilators	26 in x 26 in
Wheel Dia.	16 3/4 in
Shaft Dia. Wheel End	1/2 in
Dimension B	28 3/8 in
Base Length	26 in
Dimension D	4 in
Overall Height	25 1/2 in
Base Width	26 in
Dimension A	26 in
Overall Dia.	28 3/8 in
Dimension C	23 3/4 in
Base Square Size - Roof Ventilators	26" x 26"
Base Height	1 3/4 in
Overall Width	28 3/8 in
Overall Length	28 3/8 in
Propeller Shaft Diameter	1/2 in
Cutout Size	21.5 in L x 21.5 in W
Overall Diameter	28 3/8 in
Damper Size	19 x 19 in
Cutout Length	21.5 in
Wheel Diameter	16 3/4 in
Housing Width	28.4 in
Housing Length	28.4 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	1813
Recommended 8 In. Fixed Curb Item No.	4HX40
Max. Inlet Temp.	130 Degrees
Motor Voltage	115
CFM @ 0.125-In. SP	1731
Agency Compliance	AMCA Sound & Air, CSA Certified Motor, UL/cUL 705
CFM @ 0.875-In. SP	1100
Max. Operating Amps	4.7
CFM @ 0.625-In. SP	1370
Mounting Location	Roof
Recommended 12 In. Fixed Curb Item No.	2RB77
Adj. 12 3/8"H Roof Curb Stock No.	2ZV83
Sones @ 0.125-In. SP @ 5 Ft.	10.8
Speed Controllable	Variable Speed
Includes	NEMA 1 Junction Box
Housing Material	Aluminum
CFM @ 1.000-In. SP	875
Speed Control	48C172
CFM @ 0.250-In. SP	1648
Wheel Material	Aluminum
Drive Type	Direct Drive
RPM	1140
Sones @ 0.250-In. SP @ 5 Ft.	10.4
Drive Package Included	Yes
Motor HP	1/3
CFM @ 0.375-In. SP	1562
Hz	60
CFM @ 0.500-In. SP	1471
Assembled/Unassembled	Assembled
Wheel Type	Backward Inclined
Adj. 6 3/8"H Roof Curb Stock No.	4c454
Max. BHP	0.29
CFM @ 0.750-In. SP	1257
Item	Centrifugal Downblast Roof Exhaust Fan
Phase	1
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
Mount Type	Roof Curb
Maximum Static Pressure	1 in wc
Airflow @ 0.000 in SP	1,813 cfm
Mounting Orientation	Vertical
Maximum Fan Speed	1,140 RPM
Maximum Inlet Air Temperature	130 Degrees F
High-Efficiency Motor	No
Motor Horsepower	1/3 hp
Brake Horsepower	3/10 hp
Current	4.7 A
Exhaust Airflow @ 0.250 in SP	1,648 cfm
Includes Drive Package	Yes
Motor Location	Out of Airstream
Assembly	Assembled
Housing Material Fabrication	Spun
Maximum Ambient Temperature	130 Degrees F
Frequency	60 Hz
Nameplate Voltage	115V AC
Compatible Curb Manufacturer Part Number	2RB77, 2ZV83, 3C437, 4C454, 4HX40, 4HX48
Exhaust Airflow @ 0.125 in SP	1,731 cfm
Motor Enclosure	Open Dripproof
Compatible Speed Control	48C172
For Air Type	Clean Air
Electrical Connection	Power Cord
Base Shape	Square
Motor Speed	1,100 RPM
Exhaust Airflow @ 0.000 in SP	1,813 cfm
Spark Resistant Construction Type	A
Exhaust Airflow @ 0.500 in SP	1,471 cfm
Sound Level	10.4 sones @ 0.250 in SP and 5 ft, 10.8 sones @ 0.125 in SP and 5 ft, 11.2 sones @ 0.000 in SP and 5 ft, 9.5 sones @ 0.625 in SP and 5 ft, 9.5 sones @ 0.750 in SP and 5 ft, 9.5 sones @ 0.875 in SP and 5 ft, 9.6 sones @ 0.500 in SP and 5 ft, 9.7 sones @ 1.000 in SP and 5 ft, 9.9 sones @ 0.375 in SP and 5 ft
Includes Motor	Yes
Safety Features	Birdscreen, Windband
Exhaust Airflow @ 0.375 in SP	1,562 cfm
For High-Static Pressure Applications	Yes

Description

Centrifugal Downblast Roof Exhaust Fan, Drive Type Direct Drive, Assembly Assembled, Wheel Diameter 16 3/4 in, Base Diameter Not Applicable, Base Length 26 in, Base Width 26 in, Base Shape Square, Nameplate Voltage 115V AC, Phase 1, Motor Horsepower 1/3 hp, Exhaust Airflow @ 0.000 in SP 1,813 cfm, For High-Static Pressure Applications Yes, High-Efficiency Motor No, For Air Type Clean Air, Includes Drive Package Yes, Includes Motor Yes, Mounting Location Roof, Maximum Static Pressure 1 in wc

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Downblast Vent, Direct Drive, 16-3/4 In

Mfr # 4YC72

Zoro # G2201516

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