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Picture of Centrifugal Downblast Exhaust Fan, Model GB-180, Belt Drive, Less Motor & Drive Package, 1371-5677 CFM

Centrifugal Downblast Exhaust Fan, Model GB-180, Belt Drive, Less Motor & Drive Package, 1371-5677 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. Please note that this item is less the motor & drive package. To purchase a motor and drive package, please add item GB0-180-7KIT listed below in Related Products to your cart.
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Manufacturer: Greenheck Fan Corporation
Availability:  6 in Troy
SKU: GB-180-LMD
$1,654.00

Please note that this item is less the motor & drive package. To purchase a motor and drive package, please add item GB0-180-7KIT listed below in Related Products to your cart.

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 30 x 30 in
Curb Cap Size 30 in
Impeller Diameter 19 in
Roof Opening Width x Roof Opening Length 20 1/2 x 20 1/2 in
Base Height 1 3/4 in
Base Top to Shroud Top 28 in
Damper Width x Damper Height 18 x 18 in
Bearing Size 3/4 in
Height 28 in
Weight 87 lbs
Overall Diameter 35 1/2 in
CFM Range 1371-5677
FRPM Range 500-1460
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
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Backdraft damper, horizontal mount, Model WD-100, 18 In Sq, No Flange, Performance up to 2,500 ft/min

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The WD-100 series are horizontally mounted backdraft dampers designed to allow vertical airflow up and prevent reverse airflow. The dampers are opened by air pressure differential (assisted by springs) and closed by gravity. The damper features a flangeless, galvanized steel frame and aluminum blades. Width and height furnished approximately 0.125 in. under size
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Locations in Grand Rapids, Troy, and Saginaw

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