Dampers Rectangular Shape
From rectangular to motorized dampers, from bypass dampers to zoning panels: we’ve got it all! Find what you are looking for in our stock of over 2,000 products.
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![iO HVAC Controls HD-1210-BM Rectangular 12 x 10 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_33fac067-04d2-4345-911b-79f3b124575c_medium.jpg?v=1715804917)
HD-1210-BM | Rectangular 12 x 10 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1210-BM
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![EWC Controls 12X16 ND Rectangular Damper | 12X16 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_4aaa584a-721b-451d-b306-a15a63094619_medium.png?v=1710946381)
12X16 ND | Rectangular Damper | 12X16 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 12X16 ND
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![EWC Controls 30X30 ND Rectangular Damper | 30X30 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_03775aff-d46a-42a9-a5e4-eab0bb439723_medium.png?v=1710946402)
30X30 ND | Rectangular Damper | 30X30 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 30X30 ND
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![EWC Controls 30X12 ND Rectangular Damper | 30X12 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_b6a6c84b-ded6-414b-aa17-1ea783afee78_medium.png?v=1710946398)
30X12 ND | Rectangular Damper | 30X12 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 30X12 ND
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![EWC Controls 30X8 ND Rectangular Damper | 30X8 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_e9272cdc-fa9a-4402-9e17-8b73ccf5d483_medium.png?v=1710946399)
30X8 ND | Rectangular Damper | 30X8 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 30X8 ND
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![EWC Controls 18X18 ND Rectangular Damper | 18X18 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_595da528-e322-4fde-a471-e5569eb53948_medium.png?v=1710946377)
18X18 ND | Rectangular Damper | 18X18 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 18X18 ND
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![EWC Controls 16X8 ND Rectangular Damper | 16X8 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_d15f9f33-a9a1-4cf3-814d-1dea329334dd_medium.png?v=1710946388)
16X8 ND | Rectangular Damper | 16X8 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 16X8 ND
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![EWC Controls 12X8 ND Rectangular Damper | 12X8 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_02700151-aa0b-4ae3-bfc1-51c53d3079c5_medium.png?v=1710946377)
12X8 ND | Rectangular Damper | 12X8 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 12X8 ND
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![iO HVAC Controls MBD-14 iO HVAC Controls Manual Balancing Damper 14 Round with locking quad | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/MBD-14_medium.jpg?v=1708912613)
MBD-14 | iO HVAC Controls Manual Balancing Damper 14 Round with locking quad | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-14
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![iO HVAC Controls MZR-1206-W-PO Motorized 12 x 06 Zone Register - White | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-MZR_web_89c04949-5ef2-4a00-ad4d-db31ef624c41_medium.jpg?v=1708912746)
MZR-1206-W-PO | Motorized 12 x 06 Zone Register - White | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MZR-1206-W-PO
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![iO HVAC Controls MZR-1004-B-PO Motorized 10 x 04 Zone Register - Brown | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-MZR_web_8f9562af-1a02-46b6-8a73-2cf0924aa852_medium.jpg?v=1708912688)
MZR-1004-B-PO | Motorized 10 x 04 Zone Register - Brown | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MZR-1004-B-PO
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![EWC Controls 20X20 ND-RSD NC Rectangular Damper | 20X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_a57e7483-c85b-4e72-9c9d-c7f90c3d59d6_medium.png?v=1713902406)
20X20 ND-RSD NC | Rectangular Damper | 20X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 20X20 ND-RSD NC
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![EWC Controls 18X12 ND-RSD NC Rectangular Damper | 18X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_cfe9b3f8-9959-45db-85b2-dd4516e24455_medium.png?v=1713902404)
18X12 ND-RSD NC | Rectangular Damper | 18X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 18X12 ND-RSD NC
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![EWC Controls 8X18 ND Rectangular Damper | 8X18 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_9e431dc6-8906-419d-835a-983a3858c447_medium.png?v=1710946406)
8X18 ND | Rectangular Damper | 8X18 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 8X18 ND
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![EWC Controls 20X18 ND Rectangular Damper | 20X18 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_4e407f64-b5c9-47c3-b116-8d6241f1f9a4_medium.png?v=1710946402)
20X18 ND | Rectangular Damper | 20X18 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 20X18 ND
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![EWC Controls 16X16 ND Rectangular Damper | 16X16 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_13bb5735-fe90-4650-88af-90fe4743728f_medium.png?v=1710946380)
16X16 ND | Rectangular Damper | 16X16 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 16X16 ND
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![EWC Controls 14X10 ND Rectangular Damper | 14X10 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_57a56542-a572-43c6-accf-11e8da821d38_medium.png?v=1710946381)
14X10 ND | Rectangular Damper | 14X10 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 14X10 ND
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![EWC Controls 14X6 ND Rectangular Damper | 14X6 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_39253fdf-f341-4b0c-9334-3e8052066633_medium.png?v=1710946387)
14X6 ND | Rectangular Damper | 14X6 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 14X6 ND
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![EWC Controls 10x6 ND Rectangular Damper | 10X6 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_59b21661-a8b1-4ce2-b01c-ffd9b85d66ec_medium.png?v=1710946381)
10x6 ND | Rectangular Damper | 10X6 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 10x6 ND
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![EWC Controls 8X8 ND Rectangular Damper | 8X8 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_57b2f305-c2fd-458d-b52e-6768b3fd5c18_medium.png?v=1710946405)
8X8 ND | Rectangular Damper | 8X8 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 8X8 ND
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![iO HVAC Controls MBD-04 iO HVAC Controls Manual Balancing Damper 4 Round with locking quad | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/MBD-04_medium.jpg?v=1708912589)
MBD-04 | iO HVAC Controls Manual Balancing Damper 4 Round with locking quad | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-04
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![iO HVAC Controls MBD-1616 Manual Rectangular 16 x 16 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/balancing_damper_rect_8ba412c3-09c2-4625-91dc-6bb5db8161d6_medium.jpg?v=1708912606)
MBD-1616 | Manual Rectangular 16 x 16 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-1616
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![iO HVAC Controls MBD-1608-BM Manual Rectangular 16 x 08 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/balancing_damper_rect_991d9e07-8ace-4ede-baee-377c5e3cab8a_medium.jpg?v=1708912623)
MBD-1608-BM | Manual Rectangular 16 x 08 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-1608-BM
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![iO HVAC Controls MBD-1408-BM Manual Rectangular 14 x 08 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/balancing_damper_rect_8a80e7ce-34b9-4c5f-a1a2-9de60fe1861b_medium.jpg?v=1708912623)
MBD-1408-BM | Manual Rectangular 14 x 08 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-1408-BM
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