Centrifugal Downblast Exhaust Fan, Model GB-099, Belt Drive, 1/4HP, 115V, 1Ph, 483-952 CFM

Model GB Centrifugal Roof Exhaust fans are belt drive. These fans are specifically designed for roof mounted applications exhausting relatively clean air. Fan wheels are centrifugal, backward inclined, and constructed of aluminum. Fans come standard with bird screen, NEMA 1 disconnect switch and 115/1Ø motor with thermal overloads. Motors can be easily changed to 3Ø with advance notice.

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Manufacturer: Greenheck Fan Corporation

Availability: 8 in Troy

SKU: GB-091-4

$1,334.00

Qty:

Product Alert: New Product SKU
Product #GB-091 has been replaced with GB-099. The product change is in name only. Form, fit and function remain the same.

Model GB, belt drive centrifugal roof exhaust fans are designed to meet the general clean air exhaust requirements for industrial and commercial buildings. Units feature 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.

DOCUMENTS

Catalog

Installation, Operation, and Maintenance Manual

Products specifications

Attribute name	Attribute value
Base/Panel Length X Width	19 x 19 in
Curb Cap Size	19 in
Impeller Diameter	11 3/8 in
Roof Opening Width x Roof Opening Length	14 1/2 x 14 1/2 in
Base Height	1 3/4 in
Base Top to Shroud Top	23 3/4 in
Damper Width x Damper Height	12 x 12 in
Bearing Size	3/4 in
Height	23 3/4 in
Weight	58 lbs
Overall Diameter	24 3/8 in
CFM Range	483-952
FRPM Range	969-1256
Mounting Location	Roof
Drive Type	Belt Drive
Impeller Type	Centrifugal Wheel
Impeller Material	Aluminum
Housing Material	Spun Aluminum
Max Inlet Temp	180 °F
Warranty Length	1 Year

Centrifugal Downblast Exhaust Fan, Model GB-099, Belt Drive, 1/4HP, 115V, 1Ph, 483-952 CFM

Backdraft damper, horizontal mount, Model WD-100, 12 In Sq, No Flange, Performance up to 2,500 ft/min

Roof Curb for 19 In. Square Base, 18 In. High

Locations in Grand Rapids, Troy, and Saginaw