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

  • Mfr # 3GY66

  • Zoro # G0771093

product price:  $1,611.99
/ea
Additional $150.00 delivery surcharge applies per item.
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Key Features

Item - Roof Ventilators
Downblast 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 #
3GY66
Zoro #
G0771093
UPC #
190735288061
Country of Origin
United States

Dimensions

Base Size - Roof Ventilators
30 in x 30 in
Base Width
30 in
Overall Height
29 3/4 in
Base Length
30 in
Dimension D
5 1/2 in
Overall Dia.
35 1/2 in
Shaft Dia. Wheel End
3/4 in
Wheel Dia.
18 1/2 in
Dimension B
35 1/2 in
Dimension A
30 in
Base Square Size - Roof Ventilators
30" x 30"
Dimension C
34 3/8 in
Base Height
1 3/4 in
Overall Width
35 1/2 in
Overall Length
35 1/2 in
Cutout Size
25.5 in L x 25.5 in W
Overall Diameter
35 1/2 in
Propeller Shaft Diameter
3/4 in
Wheel Diameter
18 1/2 in
Housing Width
35.5 in
Damper Size
23 x 23 in
Housing Length
35.5 in
Cutout Length
25.5 in

Details

Item - Roof Ventilators
Downblast 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
4608
CFM @ 0.500-In. SP
4179
Adj. 6 3/8"H Roof Curb Stock No.
4c454
CFM @ 0.625-In. SP
4046
Max. BHP
1.1 hp
Drive Package Included
Yes
Max. Inlet Temp.
180 Degrees
Adj. 12 3/8"H Roof Curb Stock No.
2ZV83
Speed Controllable
No
Sones @ 0.500-In. SP @ 5 Ft.
17.1
Assembled/Unassembled
Assembled
CFM @ 1.500-In. SP
2499
Sones @ 0.250-In. SP @ 5 Ft.
17.8
Includes
NEMA 1 Junction Box
Mounting Location
Roof
CFM @ 1.250-In. SP
3178
CFM @ 1.000-In. SP
3575
Recommended 8 In. Fixed Curb Item No.
4HX41
Motor Voltage
208/230/460
Wheel Material
Aluminum
CFM @ 0.250-In. SP
4401
Hz
60
CFM @ 0.875-In. SP
3753
CFM @ 0.750-In. SP
3900
Phase
3
Sones @ 0.125-In. SP @ 5 Ft.
18.4
Recommended 12 In. Fixed Curb Item No.
2RB79
Housing Material
Aluminum
CFM @ 0.125-In. SP
4508
Agency Compliance
AMCA Sound & Air, CSA Certified Motor, UL/cUL 705
RPM
1185
CFM @ 0.375-In. SP
4290
Wheel Type
Backward Inclined
Motor HP
1
Max. Operating Amps
3.4/1.7
Item
Centrifugal Downblast Roof Exhaust Fan
Drive Type
Belt Drive
Standards
AMCA Sound and Air, CSA, UL/cUL 705
Bearing Type
Regreasable Pillow Block
Application
Industrial and Commercial Applications
Features
Air Handling Quality Bearings Meet Minimum of L10-100,000 Hours, 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
Resistance Properties
Weather Resistant
Airflow @ 0.000 in SP
4,608 cfm
Nameplate Voltage
208-230/460V AC
Includes Drive Package
Yes
Safety Features
Birdscreen, Windband
Maximum Inlet Air Temperature
180 Degrees F
Exhaust Airflow @ 0.125 in SP
4,508 cfm
For High-Static Pressure Applications
No
For Air Type
Clean Air
Exhaust Airflow @ 0.500 in SP
4,179 cfm
Maximum Static Pressure
1 1/2 in wc
Housing Material Fabrication
Spun
Spark Resistant Construction Type
A
Electrical Connection
Power Cord
Exhaust Airflow @ 0.250 in SP
4,401 cfm
Mount Type
Roof Curb
Base Shape
Square
Motor Speed
1,725 RPM
Sound Level
13.7 sones @ 1.500 in SP and 5 ft, 14.7 sones @ 1.250 in SP and 5 ft, 15.4 sones @ 1.000 in SP and 5 ft, 15.8 sones @ 0.875 in SP and 5 ft, 16.2 sones @ 0.750 in SP and 5 ft, 16.7 sones @ 0.625 in SP and 5 ft, 17.1 sones @ 0.500 in SP and 5 ft, 17.4 sones @ 0.375 in SP and 5 ft, 17.8 sones @ 0.250 in SP and 5 ft, 18.4 sones @ 0.125 in SP and 5 ft, 19.0 sones @ 0.000 in SP and 5 ft
Exhaust Airflow @ 0.000 in SP
4,608 cfm
Assembly
Assembled
High-Efficiency Motor
No
Motor Enclosure
Open Dripproof
Maximum Ambient Temperature
180 Degrees F
Frequency
60 Hz
Compatible Curb Manufacturer Part Number
2RB79, 2ZV83, 3C437, 4C454, 4HX41, 4HX49
Motor Horsepower
1 hp
Exhaust Airflow @ 0.375 in SP
4,290 cfm
Motor Location
Out of Airstream
Current
3.4 to 3.4/1.7 A
Includes Motor
Yes
Brake Horsepower
1 1/10 hp
Maximum Fan Speed
1,185 RPM

Description

Centrifugal Downblast Roof Exhaust Fan, Drive Type Belt Drive, Assembly Assembled, Wheel Diameter 18 1/2 in, Base Diameter Not Applicable, Base Length 30 in, Base Width 30 in, Base Shape Square, Nameplate Voltage 208-230/460V AC, Phase 3, Motor Horsepower 1 hp, Exhaust Airflow @ 0.000 in SP 4,608 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

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