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  9. Downblast Vent, Direct Drive, 16-3/4 In
Dayton Downblast Vent, Direct Drive, 16-3/4 In 4YC73 - main

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

  • Mfr # 4YC73

  • Zoro # G3235565

product price: $1,105.99
/ea
Item requires special delivery charges. A $60.00 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 #
4YC73
Zoro #
G3235565
UPC #
190735337738
Country of Origin
United States

Dimensions

Base Size - Roof Ventilators
26 in x 26 in
Dimension B
28 3/8 in
Dimension A
26 in
Base Length
26 in
Overall Height
25 1/2 in
Base Width
26 in
Base Square Size - Roof Ventilators
26" x 26"
Shaft Dia. Wheel End
1/2 in
Dimension D
4 in
Wheel Dia.
16 3/4 in
Overall Dia.
28 3/8 in
Base Height
1 3/4 in
Dimension C
23 3/4 in
Overall Width
28 3/8 in
Overall Length
28 3/8 in
Cutout Size
21.5 in L x 21.5 in W
Wheel Diameter
16 3/4 in
Housing Length
28.4 in
Housing Width
28.4 in
Overall Diameter
28 3/8 in
Propeller Shaft Diameter
1/2 in
Damper Size
19 x 19 in
Cutout Length
21.5 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
1/4 hp
CFM @ 0.000-In. SP
2540
Assembled/Unassembled
Assembled
Hz
60
Speed Controllable
Variable Speed
Mounting Location
Roof
Housing Material
Aluminum
RPM
860
Motor Voltage
115
CFM @ 0.125-In. SP
2344
CFM @ 0.250-In. SP
2145
Wheel Type
Backward Inclined
CFM @ 0.375-In. SP
1913
Sones @ 0.125-In. SP @ 5 Ft.
10.0
Drive Type
Direct Drive
Recommended 8 In. Fixed Curb Item No.
4HX40
CFM @ 0.500-In. SP
1596
Motor HP
1/4
Max. Operating Amps
5
Phase
1
Adj. 12 3/8"H Roof Curb Stock No.
2ZV83
Drive Package Included
Yes
Sones @ 0.250-In. SP @ 5 Ft.
9.6
Recommended 12 In. Fixed Curb Item No.
2RB77
Max. BHP
0.26 hp
Item
Centrifugal Downblast Roof Exhaust Fan
Speed Control
48C172
Agency Compliance
AMCA Sound & Air, CSA Certified Motor, UL/cUL 705
Max. Inlet Temp.
130 Degrees
Wheel Material
Aluminum
Includes
NEMA 1 Junction Box
Adj. 6 3/8"H Roof Curb Stock No.
4c454
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
Base Shape
Square
Maximum Static Pressure
1/2 in wc
Mount Type
Roof Curb
Current
4.8 A
Assembly
Assembled
Maximum Ambient Temperature
130 Degrees F
Compatible Curb Manufacturer Part Number
2RB77, 2ZV83, 3C437, 4C454, 4HX40, 4HX48
Frequency
60 Hz
Includes Drive Package
Yes
Brake Horsepower
13/50 hp
Exhaust Airflow @ 0.125 in SP
2,344 cfm
Maximum Inlet Air Temperature
130 Degrees F
Includes Motor
Yes
Maximum Fan Speed
860 RPM
For High-Static Pressure Applications
No
Compatible Speed Control
48C172
Exhaust Airflow @ 0.250 in SP
2,145 cfm
Motor Speed
860 RPM
Exhaust Airflow @ 0.500 in SP
1,596 cfm
For Air Type
Clean Air
Exhaust Airflow @ 0.000 in SP
2,540 cfm
Motor Enclosure
Open Dripproof
Airflow @ 0.000 in SP
2,540 cfm
Housing Material Fabrication
Spun
Sound Level
10.0 sones @ 0.125 in SP and 5 ft, 10.5 sones @ 0.000 in SP and 5 ft, 8.7 sones @ 0.500 in SP and 5 ft, 9.3 sones @ 0.375 in SP and 5 ft, 9.6 sones @ 0.250 in SP and 5 ft
Exhaust Airflow @ 0.375 in SP
1,913 cfm
Electrical Connection
Power Cord
Motor Horsepower
1/4 hp
Spark Resistant Construction Type
A
Safety Features
Birdscreen, Windband
High-Efficiency Motor
No
Mounting Orientation
Vertical
Nameplate Voltage
115V AC
Motor Location
Out of Airstream

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 1/4 hp, Exhaust Airflow @ 0.000 in SP 2,540 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 1/2 in wc

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