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  9. Upblast Vent, 21-1/4 In, 115/208-230V
Dayton Upblast Vent, 21-1/4 In, 115/208-230V 7YR20 - main

Upblast Vent, 21-1/4 In, 115/208-230V

  • Mfr # 7YR20

  • Zoro # G1384591

product price: $1,703.99
/ea
Item requires special delivery charges. A $1,195.00 per item surcharge will be applied.

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 #
7YR20
Zoro #
G1384591
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
Overall Height
35 1/2 in
Recommended Damper Size (In.)
23 x 23
Base Height
1.8 in
Wheel Dia.
21 1/4 in
Base Width
30 in
Dimension A
30 in
Base Length
30 in
Dimension D
21 in
Shaft Dia. Wheel End
1 in
Dimension B
35 3/8 in
Dimension C
34 3/4 in
Housing Length
35.4 in
Overall Diameter
35 3/8 in
Wheel Diameter
21 1/4 in
Propeller Shaft Diameter
1 in
Housing Width
35.4 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
115V AC/208V AC/230V AC
Motor HP - Roof Ventilators
3/4 hp
Assembled/Unassembled
Unassembled
Max. BHP
0.79
Max. Inlet Temp.
300 Degrees F
Drive Type
Belt Drive
CFM @ 0.500-In. SP
3397
Motor HP
3/4
Fixed UL 762 Kitchen Roof Curb Stock No.
4HX57
CFM @ 0.875-In. SP
2865
Adj. UL 762 Kitchen Roof Curb Stock No.
4HX62
Recommended 8 In. Fixed Curb Item No.
4HX41
RPM
1010
Includes
Drive Package, NEMA 1 Junction Box
Hz
60
Sones @ 0.500-In. SP @ 5 Ft.
14.5
Recommended Damper Stock No.
4HX67
Phase
1
Wheel Material
Aluminum
Adj. 6 3/8"H Roof Curb Stock No.
4c454
CFM @ 1.000-In. SP
2637
Speed Controllable
No
Requires
Roof Curb for New Installations
Standards
AMCA Sound and Air, UL/cUL 762
Adj. 12 3/8"H Roof Curb Stock No.
2ZV83
Housing Material
Aluminum
Recommended 12 In. Fixed Curb Item No.
2RB79
CFM @ 0.625-In. SP
3235
Motor Voltage
115/208/230
Drive Package Included
Yes
Bearing Type
Regreasable Pillow Block
Max. Operating Amps
11.6/5.9-5.8
Item
Centrifugal Upblast Roof Exhaust Fan
CFM @ 0.750-In. SP
3067
Mounting Location
Roof
Wheel Type
Backward Inclined
Resistance Properties
Spark Resistant
Application
Industrial and Commercial Buildings, Restaurants, Schools
Maximum Inlet Air Temperature
300 Degrees F
Housing Material Fabrication
Spun
High-Efficiency Motor
No
Sound Level
13.2 sones @ 1.000 in SP and 5 ft, 13.5 sones @ 0.875 in SP and 5 ft, 13.7 sones @ 0.750 in SP and 5 ft, 14.1 sones @ 0.625 in SP and 5 ft, 14.5 sones @ 0.500 in SP and 5 ft
Spark Resistant Construction Type
A
Electrical Connection
Power Cord
Includes Drive Package
Yes
Exhaust Airflow @ 0.500 in SP
3,397 cfm
Motor Speed
1,010 RPM
Motor Enclosure
Open Dripproof
Safety Features
Fully Rolled Windband
Motor Location
Out of Airstream
Brake Horsepower
79/100 hp
For High-Static Pressure Applications
Yes
Nameplate Voltage
115/208-230V AC
Includes Motor
Yes
Motor Horsepower
3/4 hp
Base Shape
Square
Mount Type
Roof Curb
Maximum Static Pressure
1 in wc
For Air Type
Kitchen Air
Frequency
60 Hz
Maximum Fan Speed
1,010 RPM
Assembly
Unassembled
Current
11.6/5.9 to 5.8 A
Features
Air Handling Quality Bearings Meet Minimum of L10-100,000 Hours, Nonoverloading Centrifugal Wheel Design

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, Nameplate Voltage 115/208-230V AC, Phase 1, Motor Horsepower 3/4 hp, Assembly Unassembled, Number of Speeds 1, Housing Material Aluminum, Wheel Material Aluminum, High-Efficiency Motor No

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