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  9. Downblast Vent, Direct Drive, 16-3/4 In
Dayton Downblast Vent, Direct Drive, 16-3/4 In 4YC72 - main

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

  • Mfr # 4YC72

  • Zoro # G2201516

product price: $818.99
/ea
Item requires special delivery charges. A $135.00 per item surcharge will be applied.

Key Features

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
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Specifications

Product Information

MFR #
4YC72
Zoro #
G2201516
UPC #
190735337721
Country of Origin
United States

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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