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    Centrifugal Downblast Exhaust Fan, Belt Drive, Model GB-121

    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

    Component Parts

    The list of replacement parts on the following component list do not include any type of coating. If the part in the field for this unit is coated/painted, please contact the Aftermarket Parts team at 1-800-355-5354 for further assistance.

    Search: 
    Showing 1 to 11 of 11 entries
    Part Description Part # Part Name Part Category Unit Price Quantity UOM Unit Subtotal Lead Time
    415729
    Screw, Machine, Ss, 1/4-20X5/8", Product # 415729

    $1.38
    415729
    Screw, Machine, Ss, 1/4-20X5/8", Product # 415729
    Screws $1.38 1
    EA $1.38 In-Stock 138 on hand
    506467
    Motor Cover, GB-071-131, Product # 506467

    $311.35
    506467
    Motor Cover, GB-071-131, Product # 506467
    Covers $311.35 1
    EA $311.35 In-Stock 7 on hand
    415014
    Screw, Sheet Metal, Ss, Type A ,#10X1/2", Product # 415014

    $1.38
    415014
    Screw, Sheet Metal, Ss, Type A ,#10X1/2", Product # 415014
    Screws $1.38 1
    EA $1.38 In-Stock 277 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.
    365041
    Shaft, 0.75 x 14.5, 2K, Product # 365041

    $79.15
    365041
    Shaft, 0.75 x 14.5, 2K, Product # 365041
    Shafts $79.15 1
    EA $79.15 In-Stock 4 on hand
    502107
    Hood Cover, GB-71-131, Product # 502107

    $124.59
    502107
    Hood Cover, GB-71-131, Product # 502107
    Hoods $124.59 1
    EA $124.59 In-Stock 6 on hand
    809275
    Wheel, Aluminum, CUBE-120|GB-120, Product # 809275

    Pricing not available
    809275
    Wheel, Aluminum, CUBE-120|GB-120, Product # 809275
    Wheels
    OBSOLETE PRODUCT : Replacement Available

    Replaced with

    877445
    Wheel, 12 x 3.3 Inch, Aluminum, 3/4 Inch QT Bushing, CW, Product # 877445

    $454.46
    877445
    Wheel, 12 x 3.3 Inch, Aluminum, 3/4 Inch QT Bushing, CW, Product # 877445
    Wheels $454.46 1
    EA $454.46 1 Days
    All of the above components are required to replace your part, although each may be ordered individually.
    360422
    Bearing, FHPMRZ204-12-SP1, Product # 360422

    $81.89
    360422
    Bearing, FHPMRZ204-12-SP1, Product # 360422
    Bearings $81.89 2
    EA $163.78 In-Stock 189 on hand
    360099
    Bearing, 3/4 Inch, 055104, Product # 360099

    $116.00
    360099
    Bearing, 3/4 Inch, 055104, Product # 360099
    Bearings $116.00 2
    EA $232.00 In-Stock 75 on hand
    834341
    Hoodband, Tall, Aluminum, GB-100-130, Product # 834341

    $424.55
    834341
    Hoodband, Tall, Aluminum, GB-100-130, Product # 834341
    Bands $424.55 1
    EA $424.55 In-Stock 4 on hand
    Tall-The 'tall' designation does not appear in the unit model number. Shaft length must be measured prior to ordering.
    365024
    Shaft, 0.75 x 18, 2K, Product # 365024

    $90.07
    365024
    Shaft, 0.75 x 18, 2K, Product # 365024
    Shafts $90.07 1
    EA $90.07 In-Stock 12 on hand
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