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 30X14 ND Rectangular Damper | 30X14 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_bbb70a00-cfc1-40b6-8fa6-184e310d1091_medium.png?v=1710946399)
30X14 ND | Rectangular Damper | 30X14 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 30X14 ND
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![EWC Controls 28X12 ND Rectangular Damper | 28X12 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_ee5239c2-d403-49c3-ad4f-b93309c300b9_medium.png?v=1710946403)
28X12 ND | Rectangular Damper | 28X12 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 28X12 ND
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![EWC Controls 28X8 ND Rectangular Damper | 28X8 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_413420c7-f8bb-40ac-bf6a-5c5db298ab57_medium.png?v=1710946399)
28X8 ND | Rectangular Damper | 28X8 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 28X8 ND
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![EWC Controls 28X6 ND Rectangular Damper | 28X6 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_bf03aed5-6603-4922-bc1b-fa9bc87305e4_medium.png?v=1710946398)
28X6 ND | Rectangular Damper | 28X6 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 28X6 ND
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![EWC Controls 26X26 ND Rectangular Damper | 26X26 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_aab0c605-fee2-4177-8431-df9a51346ebf_medium.png?v=1710946398)
26X26 ND | Rectangular Damper | 26X26 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 26X26 ND
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![EWC Controls 26X18 ND Rectangular Damper | 26X18 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_3cbe65ee-8c1e-4a1d-9bc2-6f127f6e68e2_medium.png?v=1710946406)
26X18 ND | Rectangular Damper | 26X18 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 26X18 ND
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![EWC Controls 26X16 ND Rectangular Damper | 26X16 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_e0af75cd-a854-44a3-b106-c13bb3fb2be0_medium.png?v=1710946399)
26X16 ND | Rectangular Damper | 26X16 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 26X16 ND
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![EWC Controls 26X12 ND Rectangular Damper | 26X12 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_c1e84a2f-c0a2-48af-bbbf-c918312ee591_medium.png?v=1710946392)
26X12 ND | Rectangular Damper | 26X12 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 26X12 ND
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![EWC Controls 26X8 ND Rectangular Damper | 26X8 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_d48090c1-d3a6-4a7d-a9b9-c9b72dd809cd_medium.png?v=1710946403)
26X8 ND | Rectangular Damper | 26X8 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 26X8 ND
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![EWC Controls 22X18 ND Rectangular Damper | 22X18 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_dc12a780-d48e-4e31-9005-aa2d671c1155_medium.png?v=1710946388)
22X18 ND | Rectangular Damper | 22X18 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 22X18 ND
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![EWC Controls 22X16 ND Rectangular Damper | 22X16 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_0f98be56-5979-47e2-bcb2-0fbc9cd3b500_medium.png?v=1710946394)
22X16 ND | Rectangular Damper | 22X16 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 22X16 ND
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![EWC Controls 22X6 ND Rectangular Damper | 22X6 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_ac64e1f3-a421-41e1-a07a-01aaf8ff6750_medium.png?v=1710946391)
22X6 ND | Rectangular Damper | 22X6 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 22X6 ND
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![EWC Controls 20X10 ND Rectangular Damper | 20X10 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_ebfe80b2-227c-4d51-bc4c-0dd00d850eed_medium.png?v=1710946395)
20X10 ND | Rectangular Damper | 20X10 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 20X10 ND
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![EWC Controls 18X16 ND Rectangular Damper | 18X16 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_26b13943-583c-4eb1-bbf9-df06d82cbc51_medium.png?v=1710946388)
18X16 ND | Rectangular Damper | 18X16 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 18X16 ND
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![EWC Controls 10X8 ND Rectangular Damper | 10X8 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_515d2f66-1fbc-44a9-ba34-be4429975b6c_medium.png?v=1710946384)
10X8 ND | Rectangular Damper | 10X8 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 10X8 ND
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![EWC Controls 10 EBD 10 Inch Round Electronic Static Pressure Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/ebd-round_medium.gif?v=1713902270)
10 EBD | 10 Inch Round Electronic Static Pressure Bypass Damper | EWC Controls
Brand: EWC Controls
SKU: 10 EBD
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![iO HVAC Controls EB-3618 36 x 18 Heavy Duty Motorized Electronic Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-EB-XXXX_02d66543-0e89-402f-95f5-6f00965e43a5_medium.jpg?v=1708912501)
EB-3618 | 36 x 18 Heavy Duty Motorized Electronic Bypass Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: EB-3618
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![iO HVAC Controls EB-3614 36 x 14 Heavy Duty Motorized Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-EB-XXXX_353d5e91-04a3-4e68-88dd-a045e11c4fa0_medium.jpg?v=1708912501)
EB-3614 | 36 x 14 Heavy Duty Motorized Bypass Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: EB-3614
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![iO HVAC Controls EB-2624 26 x 24 Heavy Duty Motorized Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-EB-XXXX_06b92ee8-5657-449d-bad1-0b26fe7abeaf_medium.jpg?v=1708912447)
EB-2624 | 26 x 24 Heavy Duty Motorized Bypass Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: EB-2624
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![iO HVAC Controls EB-2422 24x20 Heavy Duty Motorized Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-EB-XXXX_fab376fb-8898-4e61-8ae2-640e82cea628_medium.jpg?v=1708912510)
EB-2422 | 24x20 Heavy Duty Motorized Bypass Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: EB-2422
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![iO HVAC Controls EB-1812-BM 18 x 12 Heavy Duty Motorized Bypass Damper - Bottom Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-EB-XXXX_19fa2b1f-0ccc-4727-af8f-9d3454b650c5_medium.jpg?v=1708912488)
EB-1812-BM | 18 x 12 Heavy Duty Motorized Bypass Damper - Bottom Mount | iO HVAC Controls
Brand: iO HVAC Controls
SKU: EB-1812-BM
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![iO HVAC Controls EB-1608-BM 16 x 08 Heavy Duty Motorized Bypass Damper - Bottom Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-EB-XXXX_71b88fbd-0725-44ef-9616-ed729d85c121_medium.jpg?v=1708912537)
EB-1608-BM | 16 x 08 Heavy Duty Motorized Bypass Damper - Bottom Mount | iO HVAC Controls
Brand: iO HVAC Controls
SKU: EB-1608-BM
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![iO HVAC Controls EB-1410-BM 14 x 10 Heavy Duty Motorized Bypass Damper - Bottom Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-EB-XXXX_df2bd892-a132-41a1-94c1-aa338aa38c49_medium.jpg?v=1708912442)
EB-1410-BM | 14 x 10 Heavy Duty Motorized Bypass Damper - Bottom Mount | iO HVAC Controls
Brand: iO HVAC Controls
SKU: EB-1410-BM
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![iO HVAC Controls EB-1210-BM 12 x 10 Heavy Duty Motorized Bypass Damper - Bottom Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-EB-XXXX_f87f4fd3-ce19-48a7-b277-21d1a8a02383_medium.jpg?v=1708912507)
EB-1210-BM | 12 x 10 Heavy Duty Motorized Bypass Damper - Bottom Mount | iO HVAC Controls
Brand: iO HVAC Controls
SKU: EB-1210-BM
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