Zoro Homepage
Clipboard Icon Quick Order
Cart Icon 0 Cart
  1. Home
  2. /
  3. Heating & Cooling
  4. /
  5. Roof Ventilators
  6. /
  7. Belt Drive Centrifugal Exhaust Vents
  8. /
  9. Downblast Vent, Belt Drive, 18-1/2 In
Dayton Downblast Vent, Belt Drive, 18-1/2 In 7A658 - main

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

  • Mfr # 7A658

  • Zoro # G0842694

product price: $2,143.99
/ea
Additional $155.00 delivery surcharge applies per item.
See details

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
See all product information
Get a 10% off coupon
Free 30-day returns
Return Policy
Get 30 days to pay with Net 30
Apply Now
Real support from real people
Contact our U.S. based team

Specifications

Product Information

MFR #
7A658
Zoro #
G0842694
UPC #
-
Country of Origin
Multiple

Dimensions

Base Size - Roof Ventilators
30 in x 30 in
Base Length
30 in
Base Width
30 in
Overall Dia.
35 1/2 in
Base Square Size - Roof Ventilators
30" x 30"
Dimension B
35 1/2 in
Shaft Dia. Wheel End
3/4 in
Wheel Dia.
18 1/2 in
Dimension D
5 1/2 in
Dimension A
30 in
Overall Height
36 1/8 in
Base Height
1 3/4 in
Dimension C
34 3/8 in
Overall Length
35 1/2 in
Housing Length
35.5 in
Overall Width
35 1/2 in
Overall Diameter
35 1/2 in
Housing Width
35.5 in
Wheel Diameter
18 1/2 in
Damper Size
23 x 23 in
Propeller Shaft Diameter
3/4 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
Speed Controllable
No
CFM @ 1.000-In. SP
3575
Sones @ 0.250-In. SP @ 5 Ft.
17.8
Adj. 6 3/8"H Roof Curb Stock No.
4c454
CFM @ 0.500-In. SP
4179
Max. Inlet Temp.
180 Degrees
CFM @ 0.750-In. SP
3900
Includes
Drive Package, NEMA 1 Junction Box
Recommended 8 In. Fixed Curb Item No.
4HX41
Wheel Type
Backward Inclined
Item
Centrifugal Downblast Roof Exhaust Fan
Max. BHP
1.10
Wheel Material
Aluminum
Mounting Location
Roof
CFM @ 1.250-In. SP
3178
Motor Voltage
208/230/460
Sones @ 0.500-In. SP @ 5 Ft.
17.1
Drive Type
Belt Drive
Assembled/Unassembled
Unassembled
Phase
3
CFM @ 1.500-In. SP
2499
CFM @ 0.250-In. SP
4401
Adj. 12 3/8"H Roof Curb Stock No.
3C437
Motor HP
1
Sones @ 0.125-In. SP @ 5 Ft.
18.4
CFM @ 0.125-In. SP
4508
RPM
1185
CFM @ 0.375-In. SP
4290
Recommended 12 In. Fixed Curb Item No.
4HX49
CFM @ 0.625-In. SP
4046
Housing Material
Aluminum
Hz
60
Drive Package Included
Yes
CFM @ 0.875-In. SP
3753
Agency Compliance
AMCA Sound & Air, UL/cUL 705
Standards
AMCA Sound and Air, UL/cUL 705
Bearing Type
Regreasable Pillow Block
Includes Drive Package
Yes
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
Base Shape
Square
Compatible Curb Manufacturer Part Number
2RB79, 2ZV83, 3C437, 4C454, 4HX41, 4HX49
Exhaust Airflow @ 0.500 in SP
4,179 cfm
Maximum Fan Speed
1,185 RPM
Airflow @ 0.000 in SP
4,608 cfm
Exhaust Airflow @ 0.000 in SP
4,608 cfm
Mount Type
Roof Curb
Safety Features
Birdscreen, Windband
Electrical Connection
Power Cord
Maximum Inlet Air Temperature
180 Degrees F
For High-Static Pressure Applications
No
Motor Location
Out of Airstream
Spark Resistant Construction Type
A
High-Efficiency Motor
No
Features
Fully Rolled Windband Bead for Increased Stability and Easy Transport, NEMA 1 Junction Box Located in Motor Enclosure
Motor Enclosure
Open Dripproof
Resistance Properties
Weather Resistant
Exhaust Airflow @ 0.250 in SP
4,401 cfm
Application
Industrial and Commercial Applications
Includes Motor
Yes
Assembly
Unassembled
Frequency
60 Hz
Maximum Static Pressure
1 1/2 in wc
Exhaust Airflow @ 0.125 in SP
4,508 cfm
Brake Horsepower
1 1/10 hp
For Air Type
Clean Air
Motor Horsepower
1 hp
Nameplate Voltage
208-230/440V AC
Housing Material Fabrication
Spun
Exhaust Airflow @ 0.375 in SP
4,290 cfm

Description

Centrifugal Downblast Roof Exhaust Fan, Drive Type Belt Drive, Assembly Unassembled, Wheel Diameter 18 1/2 in, Base Diameter Not Applicable, Base Length 30 in, Base Width 30 in, Base Shape Square, Nameplate Voltage 208-230/440V 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

Ratings & Reviews

3 Reasons You Can Count On Us

  • Supplies for every job.

    Supplies for every job.

    10 million items and the exact one you need.

  • When you need it fast, count on Zoro!

    When you need it fast, count on Zoro!

    2 million products ship in 1 day.

  • Stretch your budget further.

    Stretch your budget further.

    Everyday low prices on the brands you love.

Explore More Products