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  9. Upblast Vent, 21-1/4 In, 208-230/460V
Dayton Upblast Vent, 21-1/4 In, 208-230/460V 7A703 - main

Upblast Vent, 21-1/4 In, 208-230/460V

  • Mfr # 7A703

  • Zoro # G3159055

product price: $1,636.99
/ea
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Key Features

Item - Roof Ventilators
Upblast Ventilator
Drive Package With Motor Included
Yes
Duty Rating - Roof Ventilators
Standard
Drive Type - Roof Ventilators
Belt Drive
Mounting Location - Roof Ventilators
Roof
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Specifications

Product Information

MFR #
7A703
Zoro #
G3159055
UPC #
-
Country of Origin
Multiple

Dimensions

Base Size - Roof Ventilators
30 in x 30 in
Wheel Dia.
21 1/4 in
Overall Dia.
35 3/8 in
Dimension C
34 3/4 in
Recommended Damper Size (In.)
23 x 23
Shaft Dia. Wheel End
3/4 in
Base Width
30 in
Overall Height
36 1/2 in
Dimension A
30 in
Base Length
30 in
Dimension B
35 3/8 in
Base Height
1.8 in
Base Square Size - Roof Ventilators
30" x 30"
Dimension D
21 in
Housing Length
35.4 in
Propeller Shaft Diameter
3/4 in
Wheel Diameter
21 1/4 in
Housing Width
35.4 in
Damper Size
23 x 23 in
Overall Diameter
35 3/8 in

Details

Item - Roof Ventilators
Upblast Ventilator
Drive Package With Motor Included
Yes
Duty Rating - Roof Ventilators
Standard
Drive Type - Roof Ventilators
Belt Drive
Mounting Location - Roof Ventilators
Roof
Number of Speeds
1
Voltage - Roof Ventilators
208V AC/230V AC/460V AC
Motor HP - Roof Ventilators
3/4 hp
CFM @ 0.000-In. SP
4922
Requires
Roof Curb for New Installation
Bearing Type
Regreasable Pillow Block
Speed Controllable
No
Drive Type
Belt Drive
Mounting Location
Roof
Max. BHP
0.79
Sones @ 0.125-In. SP @ 5 Ft.
16.3
CFM @ 0.375-In. SP
4192
Recommended 12 In. Fixed Curb Item No.
2RB79
Sones @ 0.500-In. SP @ 5 Ft.
13.5
Recommended 8 In. Fixed Curb Item No.
4HX41
Drive Package Included
Yes
Recommended Damper Stock No.
4HX67
Motor HP
3/4
CFM @ 0.625-In. SP
3626
Wheel Material
Aluminum
CFM @ 0.125-In. SP
4676
Phase
3
CFM @ 0.500-In. SP
3922
Fixed UL 762 Kitchen Roof Curb Stock No.
4HX57
Sones @ 0.250-In. SP @ 5 Ft.
15.2
Includes
Drive Package, NEMA 1 Junction Box
CFM @ 0.750-In. SP
3240
Adj. UL 762 Kitchen Roof Curb Stock No.
4HX62
CFM @ 0.250-In. SP
4439
Item
Centrifugal Upblast Roof Exhaust Fan
Motor Voltage
208/230/460
RPM
875
Housing Material
Aluminum
Hz
60
Max. Inlet Temp.
300 Degrees F
Adj. 12 3/8"H Roof Curb Stock No.
2ZV83
Standards
AMCA Sound and Air, UL/cUL 762
CFM @ 0.875-In. SP
2684
Assembled/Unassembled
Unassembled
Wheel Type
Backward Inclined
Airflow @ 0.000 in SP
4,922 cfm
Exhaust Airflow @ 0.250 in SP
4,439 cfm
Includes Drive Package
Yes
Application
Industrial and Commercial Buildings, Restaurants, Schools
Exhaust Airflow @ 0.125 in SP
4,676 cfm
Motor Speed
875 RPM
Exhaust Airflow @ 0.000 in SP
4,922 cfm
Brake Horsepower
79/100 hp
High-Efficiency Motor
No
Sound Level
12.4 sones @ 0.750 in SP and 5 ft, 12.5 sones @ 0.875 in SP and 5 ft, 12.9 sones @ 0.625 in SP and 5 ft, 13.5 sones @ 0.500 in SP and 5 ft, 14.7 sones @ 0.375 in SP and 5 ft, 15.2 sones @ 0.250 in SP and 5 ft, 16.3 sones @ 0.000 in SP and 5 ft, 16.3 sones @ 0.125 in SP and 5 ft
Maximum Static Pressure
7/8 in wc
Maximum Fan Speed
875 RPM
Housing Material Fabrication
Spun
Safety Features
Fully Rolled Windband
For High-Static Pressure Applications
No
For Air Type
Kitchen Air
Features
Air Handling Quality Bearings Meet Minimum of L10-1,00,000 Hours, Leakproof, Nonoverloading Centrifugal Wheel Design
Base Shape
Square
Resistance Properties
Spark Resistant
Nameplate Voltage
208-220/440V AC
Frequency
60 Hz
Electrical Connection
Power Cord
Assembly
Unassembled
Spark Resistant Construction Type
A
Motor Horsepower
3/4 hp
Motor Location
Out of Airstream
Exhaust Airflow @ 0.500 in SP
3,922 cfm
Motor Enclosure
Open Dripproof
Exhaust Airflow @ 0.375 in SP
4,192 cfm
Maximum Inlet Air Temperature
300 Degrees F
Mount Type
Roof Curb
Includes Motor
Yes

Description

Centrifugal Upblast Roof Exhaust Fan, Application Industrial and Commercial Buildings, Restaurants, Schools, Drive Type Belt Drive, For Air Type Kitchen Air, Base Diameter Not Applicable, Base Width 30 in, Base Length 30 in, Base Shape Square, Maximum Static Pressure 7/8 in wc, Exhaust Airflow @ 0.000 in SP 4,922 cfm, Nameplate Voltage 208-220/440V AC, Phase 3, Motor Horsepower 3/4 hp, Assembly Unassembled, Number of Speeds 1, Housing Material Aluminum, Wheel Material Aluminum

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