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  9. Downblast Vent, Direct Drive, 18-1/2 In
Dayton Downblast Vent, Direct Drive, 18-1/2 In 4YC76 - main

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

  • Mfr # 4YC76

  • Zoro # G2496277

product price: $1,295.99
/ea
Item requires special delivery charges. A $145.00 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 #
4YC76
Zoro #
G2496277
UPC #
190735337745
Country of Origin
United States

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
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
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
Mounting Orientation
Vertical
Safety Features
Birdscreen, Windband
Compatible Speed Control
48C172
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
Compatible Curb Manufacturer Part Number
2RB79, 2ZV83, 3C437, 4C454, 4HX41, 4HX49
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
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
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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