Dampers Non-spring return Spring return
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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![EWC Controls 18X10 ND Rectangular Damper | 18X10 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_3b6fa5e2-a20f-4144-bf5f-46d01570990c_medium.png?v=1710946381)
18X10 ND | Rectangular Damper | 18X10 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 18X10 ND
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![EWC Controls 12X8 ND-HD 12X8 ND-HD HAND DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_hd_637b2efa-1f39-45dc-b11e-5e4e6fea5064_medium.png?v=1713902318)
12X8 ND-HD | 12X8 ND-HD HAND DAMPER | EWC Controls
Brand: EWC Controls
SKU: 12X8 ND-HD
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![EWC Controls 18 URD 18 Inch Round Motorized Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sm_c01affdc-f39d-47a7-9a91-93b6d178b8d2_medium.gif?v=1713902400)
18 URD | 18 Inch Round Motorized Damper | EWC Controls
Brand: EWC Controls
SKU: 18 URD
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![EWC Controls 8X16 ND Rectangular Damper | 8X16 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_f7e03d06-f762-41fa-9ec7-7f67d9219ee4_medium.png?v=1710946403)
8X16 ND | Rectangular Damper | 8X16 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 8X16 ND
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![EWC Controls 24X16 ND Rectangular Damper | 24X16 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_0bc9f389-08c9-4b3d-b343-b126531864fe_medium.png?v=1710946388)
24X16 ND | Rectangular Damper | 24X16 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 24X16 ND
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![EWC Controls 18X8 ND Rectangular Damper | 18X8 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_7a7d626e-fd6a-48c0-a9b0-07d51abed8fe_medium.png?v=1710946392)
18X8 ND | Rectangular Damper | 18X8 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 18X8 ND
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![iO HVAC Controls RM-2020 Rheem 20 x 20 Rectangular Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/RheemRectangular_38fc1a61-8f2d-47bc-adbb-9acaa51499e4_medium.jpg?v=1708912631)
RM-2020 | Rheem 20 x 20 Rectangular Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-2020
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![iO HVAC Controls MZR-1004-W-PO Motorized 10 x 04 Zone Register - White | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-MZR_web_8445f933-39b2-4f0a-a0ac-a0b19a4dc5cd_medium.jpg?v=1708912663)
MZR-1004-W-PO | Motorized 10 x 04 Zone Register - White | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MZR-1004-W-PO
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![EWC Controls 10 CLBD 10 CLBD CONSTANT LOAD BY-PASS DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/clbd_404d2909-6ed2-4a89-a721-5d1efef61e10_medium.png?v=1713902306)
10 CLBD | 10 CLBD CONSTANT LOAD BY-PASS DAMPER | EWC Controls
Brand: EWC Controls
SKU: 10 CLBD
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![EWC Controls 8 URD 8 Inch Round Motorized Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sm_6d1de3a6-033b-41d6-b610-8933fa66eeb0_medium.gif?v=1713902475)
8 URD | 8 Inch Round Motorized Damper | EWC Controls
Brand: EWC Controls
SKU: 8 URD
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![EWC Controls 6 URD 6 Inch Round Motorized Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sm_ca153104-106a-45b4-b8e3-a2e68533e581_medium.gif?v=1713902470)
6 URD | 6 Inch Round Motorized Damper | EWC Controls
Brand: EWC Controls
SKU: 6 URD
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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 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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![Braeburn 119114 Round Damper | 14" Round Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/Round-Bypass-Damper_medium.jpg?v=1708892708)
119114 | Round Damper | 14" Round Bypass Damper | Braeburn
Brand: Braeburn
SKU: 119114
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![EWC Controls 18 EBD 18 Inch Round Electronic Static Pressure Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/ebd-round_3ed7f0e6-5105-4a57-98bd-ba1f4dbeff39_medium.gif?v=1713902397)
18 EBD | 18 Inch Round Electronic Static Pressure Bypass Damper | EWC Controls
Brand: EWC Controls
SKU: 18 EBD
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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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