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  9. Upblast Vent, 21-1/4 In, 208-230/460V
Dayton Upblast Vent, 21-1/4 In, 208-230/460V 7YR21 - main

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

  • Mfr # 7YR21

  • Zoro # G2601182

product price: $1,885.99
/ea
Item requires special delivery charges. A $630.00 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 #
7YR21
Zoro #
G2601182
UPC #
-
Country of Origin
Multiple

Dimensions

Base Size - Roof Ventilators
30 in x 30 in
Base Height
1.8 in
Recommended Damper Size (In.)
23 x 23
Dimension A
30 in
Wheel Dia.
21 1/4 in
Overall Dia.
35 3/8 in
Shaft Dia. Wheel End
1 in
Dimension C
34 3/4 in
Base Width
30 in
Dimension B
35 3/8 in
Base Length
30 in
Base Square Size - Roof Ventilators
30" x 30"
Overall Height
35 1/2 in
Dimension D
21 in
Damper Size
23 x 23 in
Housing Width
35.4 in
Housing Length
35.4 in
Overall Diameter
35 3/8 in
Wheel Diameter
21 1/4 in
Propeller Shaft Diameter
1 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 @ 0.875-In. SP
2865
Requires
Roof Curb for New Installations
Recommended 8 In. Fixed Curb Item No.
4HX41
CFM @ 0.625-In. SP
3235
Mounting Location
Roof
Sones @ 0.500-In. SP @ 5 Ft.
14.5
Max. Inlet Temp.
300 Degrees F
Adj. 6 3/8"H Roof Curb Stock No.
4c454
CFM @ 0.500-In. SP
3397
Includes
Drive Package, NEMA 1 Junction Box
Phase
3
Assembled/Unassembled
Unassembled
Standards
AMCA Sound and Air, UL/cUL 762
Max. BHP
0.79
Item
Centrifugal Upblast Roof Exhaust Fan
RPM
1010
Adj. UL 762 Kitchen Roof Curb Stock No.
4HX62
Drive Type
Belt Drive
Recommended Damper Stock No.
4HX67
Housing Material
Aluminum
CFM @ 0.750-In. SP
3067
Fixed UL 762 Kitchen Roof Curb Stock No.
4HX57
Speed Controllable
No
Adj. 12 3/8"H Roof Curb Stock No.
2ZV83
Hz
60
Drive Package Included
Yes
Motor Voltage
208/230/460
Max. Operating Amps
2.9-2.8/1.4
Recommended 12 In. Fixed Curb Item No.
2RB79
CFM @ 1.000-In. SP
2637
Wheel Material
Aluminum
Motor HP
3/4
Bearing Type
Regreasable Pillow Block
Wheel Type
Backward Inclined
Motor Speed
1,010 RPM
Features
Air Handling Quality Bearings Meet Minimum of L10-100,000 Hours, Nonoverloading Centrifugal Wheel Design
Application
Industrial and Commercial Buildings, Restaurants, Schools
Assembly
Unassembled
Housing Material Fabrication
Spun
Resistance Properties
Spark Resistant
Current
2.9 to 2.8/1.4 A
Brake Horsepower
79/100 hp
Electrical Connection
Power Cord
For Air Type
Kitchen Air
Maximum Fan Speed
1,010 RPM
Exhaust Airflow @ 0.500 in SP
3,397 cfm
Includes Drive Package
Yes
Spark Resistant Construction Type
A
Motor Location
Out of Airstream
Motor Horsepower
3/4 hp
For High-Static Pressure Applications
Yes
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
Safety Features
Fully Rolled Windband
Maximum Static Pressure
1 in wc
Nameplate Voltage
208-230/460V AC
Includes Motor
Yes
Frequency
60 Hz
Motor Enclosure
Open Dripproof
Maximum Inlet Air Temperature
300 Degrees F
Mount Type
Roof Curb
Base Shape
Square
High-Efficiency Motor
No

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 208-230/460V AC, Phase 3, 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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