Ewc Yes Motorized
We offer over 70 EWC HVAC products, including Bypass Dampers, Damper Controls & Accessories, Rectangular Dampers, Round Dampers, and Zoning Panels.
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![EWC Controls 7 RSD 7 Inch Round Motorized Spring Return Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/rsd_ba933bc9-ee60-4fb4-b055-c71b7927784b_medium.png?v=1713902519)
7 RSD | 7 Inch Round Motorized Spring Return Damper | EWC Controls
Brand: EWC Controls
SKU: 7 RSD
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![EWC Controls 9 URD 9 Inch Round Motorized Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sm_f1350586-3ee0-4b2b-9d74-664df571df8b_medium.gif?v=1713902493)
9 URD | 9 Inch Round Motorized Damper | EWC Controls
Brand: EWC Controls
SKU: 9 URD
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![EWC Controls 12X16 ND-RSD NC Rectangular Damper | 12X16 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_da565685-f298-4b20-92f6-f3f0415b6b9a_medium.png?v=1713902345)
12X16 ND-RSD NC | Rectangular Damper | 12X16 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 12X16 ND-RSD NC
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![EWC Controls 24X24 ND-RSD NC Rectangular Damper | 24X24 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_c57d2fc1-0ed0-470e-a403-4c1429654278_medium.png?v=1713902499)
24X24 ND-RSD NC | Rectangular Damper | 24X24 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 24X24 ND-RSD NC
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![EWC Controls 20X12 ND-RSD NC Rectangular Damper | 20X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_d73f298e-49fe-48b7-9288-8c1d78892eae_medium.png?v=1713902423)
20X12 ND-RSD NC | Rectangular Damper | 20X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 20X12 ND-RSD NC
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![EWC Controls 20X8 ND-RSD NC Rectangular Damper | 20X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_b118f18a-7776-4a28-95f4-1a23003e1444_medium.png?v=1713902432)
20X8 ND-RSD NC | Rectangular Damper | 20X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 20X8 ND-RSD NC
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![EWC Controls 18X8 ND-RSD NC Rectangular Damper | 18X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_795b9c87-e913-406c-a95f-c2de76c4070f_medium.png?v=1713902480)
18X8 ND-RSD NC | Rectangular Damper | 18X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 18X8 ND-RSD NC
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![EWC Controls 14X8 ND-RSD NC Rectangular Damper | 14X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_257653e7-c654-4a18-9b34-b1be6c7d50a1_medium.png?v=1713902383)
14X8 ND-RSD NC | Rectangular Damper | 14X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 14X8 ND-RSD NC
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![EWC Controls 12X10 ND-RSD NC Rectangular Damper | 12X10 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_1b88a988-121b-4999-bae9-1b80f7c9af45_medium.png?v=1713902317)
12X10 ND-RSD NC | Rectangular Damper | 12X10 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 12X10 ND-RSD NC
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![EWC Controls 10X10 ND-RSD NC Rectangular Damper | 10X10 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_4ad6b0d8-8c22-4083-ab77-d9dae2b9b498_medium.png?v=1713902290)
10X10 ND-RSD NC | Rectangular Damper | 10X10 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 10X10 ND-RSD NC
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![EWC Controls 12X24 ND-RSD NO Rectangular Damper | 12X24 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_e792f744-c9d0-45d2-af09-71a82b5979f8_medium.png?v=1713902344)
12X24 ND-RSD NO | Rectangular Damper | 12X24 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 12X24 ND-RSD NO
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![EWC Controls 12X14 ND-RSD NO Rectangular Damper | 12X14 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_77e67e6c-de94-4e98-a418-219b37057f78_medium.png?v=1713902353)
12X14 ND-RSD NO | Rectangular Damper | 12X14 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 12X14 ND-RSD NO
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![EWC Controls 12X10 ND-RSD NO Rectangular Damper | 12X10 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_7ec99882-0133-4352-9a9b-dab823bca07d_medium.png?v=1713902367)
12X10 ND-RSD NO | Rectangular Damper | 12X10 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 12X10 ND-RSD NO
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![EWC Controls 18X20 ND Rectangular Damper | 18X20 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_e644de2d-d2fe-47fe-91f0-208bc059415b_medium.png?v=1710946377)
18X20 ND | Rectangular Damper | 18X20 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 18X20 ND
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![EWC Controls 16X26 ND Rectangular Damper | 16X26 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_521f751f-d455-41a0-8155-3d8ef29917d0_medium.png?v=1710946377)
16X26 ND | Rectangular Damper | 16X26 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 16X26 ND
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![EWC Controls 16X24 ND Rectangular Damper | 16X24 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_b5584d89-2039-47e6-a0e1-9ed27720bfac_medium.png?v=1710946384)
16X24 ND | Rectangular Damper | 16X24 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 16X24 ND
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![EWC Controls 12X18 ND Rectangular Damper | 12X18 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_4565d093-604c-4368-9d3c-934ac6b2a189_medium.png?v=1710946377)
12X18 ND | Rectangular Damper | 12X18 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 12X18 ND
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![EWC Controls 12X14 ND Rectangular Damper | 12X14 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_d3511a9c-cbe4-4098-91c8-36daed7d822f_medium.png?v=1710946385)
12X14 ND | Rectangular Damper | 12X14 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 12X14 ND
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![EWC Controls 10X12 ND Rectangular Damper | 10X12 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_68efd4f6-d8a4-4112-be4a-e948c8b8a774_medium.png?v=1710946381)
10X12 ND | Rectangular Damper | 10X12 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 10X12 ND
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![EWC Controls 30X18 ND Rectangular Damper | 30X18 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_6fbbd860-8582-4130-aee6-e8e39485e008_medium.png?v=1710946409)
30X18 ND | Rectangular Damper | 30X18 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 30X18 ND
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![EWC Controls 24X24 ND Rectangular Damper | 24X24 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_d9d58c84-3c35-4944-a47e-736e3c9de492_medium.png?v=1710946395)
24X24 ND | Rectangular Damper | 24X24 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 24X24 ND
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![EWC Controls 24X12 ND Rectangular Damper | 24X12 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_a75514f3-0a6d-4a2b-b4f3-84f5c0651625_medium.png?v=1710946396)
24X12 ND | Rectangular Damper | 24X12 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 24X12 ND
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![EWC Controls 22X22 ND Rectangular Damper | 22X22 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_12a7ed6b-1cd4-4a0d-99a3-a405f7b09629_medium.png?v=1710946391)
22X22 ND | Rectangular Damper | 22X22 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 22X22 ND
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![EWC Controls 22X12 ND Rectangular Damper | 22X12 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_98150383-4368-4f01-a047-76750ae18b85_medium.png?v=1710946395)
22X12 ND | Rectangular Damper | 22X12 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 22X12 ND
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