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  9. Upblast Vent, 21-1/4 In, 208-230/460V
Dayton Upblast Vent, 21-1/4 In, 208-230/460V 7A704 - main

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

  • Mfr # 7A704

  • Zoro # G0740896

product price: $1,760.99
/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 #
7A704
Zoro #
G0740896
UPC #
-
Country of Origin
Multiple

Dimensions

Base Size - Roof Ventilators
30 in x 30 in
Base Square Size - Roof Ventilators
30" x 30"
Overall Dia.
35 3/8 in
Dimension A
30 in
Shaft Dia. Wheel End
3/4 in
Base Height
1.8 in
Dimension B
35 3/8 in
Dimension C
34 3/4 in
Recommended Damper Size (In.)
23 x 23
Base Length
30 in
Base Width
30 in
Dimension D
21 in
Wheel Dia.
21 1/4 in
Overall Height
36 1/2 in
Overall Diameter
35 3/8 in
Wheel Diameter
21 1/4 in
Housing Length
35.4 in
Housing Width
35.4 in
Propeller Shaft Diameter
3/4 in
Damper Size
23 x 23 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
1 hp
CFM @ 0.000-In. SP
5400
Requires
Roof Curb for New Installation
Recommended 8 In. Fixed Curb Item No.
4HX41
CFM @ 0.500-In. SP
4508
Recommended Damper Stock No.
4HX67
Item
Centrifugal Upblast Roof Exhaust Fan
Motor Voltage
208/230/460
CFM @ 0.375-In. SP
4742
Phase
3
Recommended 12 In. Fixed Curb Item No.
2RB79
Motor HP
1
Standards
AMCA Sound and Air, UL/cUL 762
CFM @ 0.875-In. SP
3633
Max. Inlet Temp.
300 Degrees F
Adj. UL 762 Kitchen Roof Curb Stock No.
4HX62
Adj. 12 3/8"H Roof Curb Stock No.
2ZV83
Speed Controllable
No
CFM @ 0.125-In. SP
5176
Sones @ 0.250-In. SP @ 5 Ft.
17.7
Hz
60
Assembled/Unassembled
Unassembled
Mounting Location
Roof
CFM @ 0.625-In. SP
4254
Max. BHP
1.04
Housing Material
Aluminum
Drive Type
Belt Drive
Sones @ 0.500-In. SP @ 5 Ft.
16.4
CFM @ 0.750-In. SP
3985
CFM @ 1.000-In. SP
3169
Wheel Material
Aluminum
CFM @ 0.250-In. SP
4958
Bearing Type
Regreasable Pillow Block
Includes
Drive Package, NEMA 1 Junction Box
Fixed UL 762 Kitchen Roof Curb Stock No.
4HX57
RPM
960
Sones @ 0.125-In. SP @ 5 Ft.
18.4
Drive Package Included
Yes
Wheel Type
Backward Inclined
Spark Resistant Construction Type
A
Housing Material Fabrication
Spun
Airflow @ 0.000 in SP
5,400 cfm
Maximum Fan Speed
960 RPM
Includes Drive Package
Yes
Motor Speed
960 RPM
High-Efficiency Motor
No
For High-Static Pressure Applications
No
Mount Type
Roof Curb
Motor Enclosure
Open Dripproof
Electrical Connection
Power Cord
Exhaust Airflow @ 0.000 in SP
5,400 cfm
Resistance Properties
Spark Resistant
Exhaust Airflow @ 0.125 in SP
5,176 cfm
Features
Air Handling Quality Bearings Meet Minimum of L10-1,00,000 Hours, Leakproof, Nonoverloading Centrifugal Wheel Design
For Air Type
Kitchen Air
Motor Location
Out of Airstream
Exhaust Airflow @ 0.500 in SP
4,508 cfm
Frequency
60 Hz
Maximum Inlet Air Temperature
300 Degrees F
Includes Motor
Yes
Nameplate Voltage
208-220/440V AC
Assembly
Unassembled
Sound Level
14.4 sones @ 1.000 in SP and 5 ft, 14.5 sones @ 0.875 in SP and 5 ft, 15.0 sones @ 0.750 in SP and 5 ft, 15.6 sones @ 0.625 in SP and 5 ft, 16.4 sones @ 0.500 in SP and 5 ft, 17.0 sones @ 0.375 in SP and 5 ft, 17.7 sones @ 0.250 in SP and 5 ft, 18.4 sones @ 0.125 in SP and 5 ft, 18.7 sones @ 0.000 in SP and 5 ft
Application
Industrial and Commercial Buildings, Restaurants, Schools
Safety Features
Fully Rolled Windband
Motor Horsepower
1 hp
Exhaust Airflow @ 0.375 in SP
4,742 cfm
Base Shape
Square
Maximum Static Pressure
1 in wc
Brake Horsepower
1 1/25 hp
Exhaust Airflow @ 0.250 in SP
4,958 cfm

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 1 in wc, Exhaust Airflow @ 0.000 in SP 5,400 cfm, Nameplate Voltage 208-220/440V AC, Phase 3, Motor Horsepower 1 hp, Assembly Unassembled, Number of Speeds 1, Housing Material Aluminum, Wheel Material Aluminum

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