Centrifugal Downblast Exhaust Fan, Model GB-140, Belt Drive, 1/2HP, 115V, 1Ph, 1173-1651 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.
Availability:  7 in Troy
SKU: GB-140-5XQD

Product Alert: New Product SKU
Product #GB-141 has been replaced with GB-140. 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.



Installation, Operation, and Maintenance Manual

Products specifications
Attribute name Attribute value
Base/Panel Length X Width 22 x 22 in
Curb Cap Size 22 in
Impeller Diameter 14 3/4 in
Roof Opening Width x Roof Opening Length 18 1/2 x 18 1/2 in
Base Height 1 3/4 in
Base Top to Shroud Top 23 3/4 in
Damper Width x Damper Height 16 x 16 in
Bearing Size 3/4 in
Height 23 3/4 in
Weight 69 lbs
Overall Diameter 28 3/8 in
CFM Range 1602-2523
FRPM Range 1075-1360
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