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    Centrifugal Downblast Exhaust Fan, Belt Drive, Model GB-300

    Model GB is a belt drive centrifugal roof exhaust fan for general clean air applications where the air discharge is downward, toward the roof surface. The GB features a spun aluminum housing.

    Belt drive centrifugal roof exhaust fans, designed for clean air applications where the air discharge is downward, toward the roof surface.

    Certifications:

    • AMCA Sound and Air Performance
    • High Wind and Hurricane
    • Seismic
    • UL/cUL 705
    SKU DESCRIPTION PRICE LEAD TIME
    Model: GB
    Model / Size: GB-300
    Centrifugal Downblast Exhaust Fan, Product # GB-300-3140XQD-DR1, 2630-5993 CFM $2,974.19
    25 Days
    Lead Time 

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    Model: GB
    Model / Size: GB-300
    Centrifugal Downblast Exhaust Fan, Product # GB-300-5140XQD-DR2, 3232-6965 CFM $2,986.15
    30 Days
    Lead Time 

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    Model: GB
    Model / Size: GB-300
    Centrifugal Downblast Exhaust Fan, Product # GB-300-5140XQD-DR1, 3974-5669 CFM $2,986.15
    30 Days
    Lead Time 

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    Model: GB
    Model / Size: GB-300
    Centrifugal Downblast Exhaust Fan, Product # GB-300-5140X3QD-DR2, 3232-6965 CFM $3,113.73
    30 Days
    Lead Time 

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    Model: GB
    Model / Size: GB-300
    Centrifugal Downblast Exhaust Fan, Product # GB-300-5140X3QD-DR1, 3974-5669 CFM $3,113.73
    30 Days
    Lead Time 

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    Model: GB
    Model / Size: GB-300
    Centrifugal Downblast Exhaust Fan, Product # GB-300-7140XQD-DR3, 4130-7937 CFM $3,223.37
    30 Days
    Lead Time 

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    Model: GB
    Model / Size: GB-300
    Centrifugal Downblast Exhaust Fan, Product # GB-300-7140XQD-DR2, 4059-6479 CFM $3,223.37
    30 Days
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    Model: GB
    Model / Size: GB-300
    Centrifugal Downblast Exhaust Fan, Product # GB-300-7140XQD-DR1, 3445-5345 CFM $3,223.37
    30 Days
    Lead Time 

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    Model: GB
    Model / Size: GB-300
    Centrifugal Downblast Exhaust Fan, Product # GB-300-7140X3QD-DR3, 4130-7937 CFM $3,145.63
    30 Days
    Lead Time 

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    Model: GB
    Model / Size: GB-300
    Centrifugal Downblast Exhaust Fan, Product # GB-300-7140X3QD-DR2, 4059-6479 CFM $3,145.63
    30 Days
    Lead Time 

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    Model: GB
    Model / Size: GB-300
    Centrifugal Downblast Exhaust Fan, Product # GB-300-7140X3QD-DR1, 3445-5345 CFM $3,145.63
    30 Days
    Lead Time 

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    Model: GB
    Model / Size: GB-300
    Centrifugal Downblast Exhaust Fan, Product # GB-300-10140XQD-DR2, 4663-8747 CFM $3,603.12
    25 Days
    Lead Time 

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    Model: GB
    Model / Size: GB-300
    Centrifugal Downblast Exhaust Fan, Product # GB-300-10140XQD-DR1, 3768-7127 CFM $3,603.12
    25 Days
    Lead Time 

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    Model: GB
    Model / Size: GB-300
    Centrifugal Downblast Exhaust Fan, Product # GB-300-10140X3QD-DR2, 4663-8747 CFM $3,321.05
    25 Days
    Lead Time 

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    Model: GB
    Model / Size: GB-300
    Centrifugal Downblast Exhaust Fan, Product # GB-300-10140X3QD-DR1, 3768-7127 CFM $3,321.05
    25 Days
    Lead Time 

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    Model: GB
    Model / Size: GB-300
    Centrifugal Downblast Exhaust Fan, Product # GB-300-15140XQD-DR2, 4704-9881 CFM $3,607.10
    25 Days
    Lead Time 

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    Model: GB
    Model / Size: GB-300
    Centrifugal Downblast Exhaust Fan, Product # GB-300-15140XQD-DR1, 4130-7937 CFM $3,607.10
    25 Days
    Lead Time 

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    Model: GB
    Model / Size: GB-300
    Centrifugal Downblast Exhaust Fan, Product # GB-300-15140X3QD-DR2, 4704-9881 CFM $3,391.82
    25 Days
    Lead Time 

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    Model: GB
    Model / Size: GB-300
    Centrifugal Downblast Exhaust Fan, Product # GB-300-15140X3QD-DR1, 4130-7937 CFM $3,391.82
    25 Days
    Lead Time 

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    Model: GB
    Model / Size: GB-300
    Centrifugal Downblast Exhaust Fan, Product # GB-300-20140X3QD-DR2, 7159-10853 CFM $3,538.33
    25 Days
    Lead Time 

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    Model: GB
    Model / Size: GB-300
    Centrifugal Downblast Exhaust Fan, Product # GB-300-LMD140XQD, 2630-14416 CFM $2,567.53
    25 Days
    Lead Time 

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    Model: GB
    Model / Size: GB-300
    Centrifugal Downblast Exhaust Fan, Product # GB-300-20140X3QD-DR1, 4663-8747 CFM $3,538.33
    25 Days
    Lead Time 

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    Model: GB
    Model / Size: GB-300
    Centrifugal Downblast Exhaust Fan, Product # GB-300-30140X3QD-DR2, 6864-12473 CFM $3,987.84
    25 Days
    Lead Time 

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    Model: GB
    Model / Size: GB-300
    Centrifugal Downblast Exhaust Fan, Product # GB-300-30140X3QD-DR1, 5233-10043 CFM $3,987.84
    25 Days
    Lead Time 

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    Model: GB
    Model / Size: GB-300
    Centrifugal Downblast Exhaust Fan, Product # GB-300-50140X3QD-DR2, 7963-14416 CFM $3,646.04
    25 Days
    Lead Time 

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    Model: GB
    Model / Size: GB-300
    Centrifugal Downblast Exhaust Fan, Product # GB-300-50140X3QD-DR1, 6984-11663 CFM $3,646.04
    25 Days
    Lead Time 

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    Component Parts

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    Showing 1 to 12 of 12 entries
    Part Description Part # Part Name Part Category Unit Price Quantity UOM Unit Subtotal Lead Time
    360100
    Bearing, 1 Inch, 055106, Product # 360100

    $115.06
    360100
    Bearing, 1 Inch, 055106, Product # 360100
    Bearings $115.06 2
    EA $230.12 In-Stock 98 on hand
    Tall-The 'tall' designation does not appear in the unit Model number. Shaft length must be measured prior to ordering.
    365884
    Shaft, 1 x 26.5, 1K1H WC, Product # 365884

    $756.43
    365884
    Shaft, 1 x 26.5, 1K1H WC, Product # 365884
    Shafts $756.43 1
    EA $756.43 In-Stock 2 on hand
    891911
    Hood Clip Assembly, Product # 891911

    Pricing not available
    891911
    Hood Clip Assembly, Product # 891911
    Clips
    OBSOLETE PRODUCT : Contact Us

    Replaced with

    Currently there are no available replacement parts. Please contact us or call 1-800-355-5354 for further assistance.
    415014
    Screw, Sheet Metal, Ss, Type A ,#10X1/2", Product # 415014

    $1.34
    415014
    Screw, Sheet Metal, Ss, Type A ,#10X1/2", Product # 415014
    Screws $1.34 1
    EA $1.34 In-Stock 485 on hand
    365031
    Shaft, 1 x 22, 2K, Product # 365031

    $163.99
    365031
    Shaft, 1 x 22, 2K, Product # 365031
    Shafts $163.99 1
    EA $163.99 In-Stock 6 on hand
    Tall-The 'tall' designation does not appear in the unit Model number. Shaft length must be measured prior to ordering.
    365084
    Shaft, 1 x 25.5, 2K, Product # 365084

    $201.01
    365084
    Shaft, 1 x 25.5, 2K, Product # 365084
    Shafts $201.01 1
    EA $201.01 In-Stock 3 on hand
    415729
    Screw, Machine, Ss, 1/4-20X5/8", Product # 415729

    $1.34
    415729
    Screw, Machine, Ss, 1/4-20X5/8", Product # 415729
    Screws $1.34 1
    EA $1.34 In-Stock 340 on hand
    Shaft 365031 or 365084 must be ordered with wheel 822358 if fan was manufactured prior to 7-1-00.ecn1891
    822358
    Wheel, Aluminum, CUBE-300/GB-300, 1 Inch Bore, Product # 822358

    $1,111.10
    822358
    Wheel, Aluminum, CUBE-300/GB-300, 1 Inch Bore, Product # 822358
    Wheels $1,111.10 1
    EA $1,111.10 In-Stock 4 on hand
    834420
    Hoodband Assembly, Tall, Aluminum, GB-260-300, Product # 834420

    $804.02
    834420
    Hoodband Assembly, Tall, Aluminum, GB-260-300, Product # 834420
    Bands $804.02 1
    EA $804.02 8 Days
    365088
    Shaft, 1 x 22, 1KH, Product # 365088

    $715.42
    365088
    Shaft, 1 x 22, 1KH, Product # 365088
    Shafts $715.42 1
    EA $715.42 In-Stock 2 on hand
    503303
    Hood, CUBE-300|GB-260-300, Product # 503303

    $217.13
    503303
    Hood, CUBE-300|GB-260-300, Product # 503303
    Hoods $217.13 1
    EA $217.13 In-Stock 10 on hand
    370029
    Blower Isolator, Red, Product # 370029

    $72.74
    370029
    Blower Isolator, Red, Product # 370029
    Neoprene Isolators $72.74 4
    EA $290.96 In-Stock 7 on hand
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