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 22X8 ND Rectangular Damper | 22X8 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_224acce1-8ca9-4044-859e-6158e4bf5155_medium.png?v=1710946398)
22X8 ND | Rectangular Damper | 22X8 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 22X8 ND
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![EWC Controls 20X16 ND Rectangular Damper | 20X16 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_a4e10c5a-a508-442c-8252-9b4bf68e86ae_medium.png?v=1710946395)
20X16 ND | Rectangular Damper | 20X16 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 20X16 ND
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![EWC Controls 20X8 ND Rectangular Damper | 20X8 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_12a00108-7750-4bf3-a63b-63086036a271_medium.png?v=1710946391)
20X8 ND | Rectangular Damper | 20X8 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 20X8 ND
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![EWC Controls 18X14 ND Rectangular Damper | 18X14 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_89339ccb-a272-49bb-a107-a4c5a43de3e0_medium.png?v=1710946388)
18X14 ND | Rectangular Damper | 18X14 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 18X14 ND
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![EWC Controls 16X14 ND Rectangular Damper | 16X14 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_864ba532-7910-4964-983d-d972af5c3070_medium.png?v=1710946377)
16X14 ND | Rectangular Damper | 16X14 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 16X14 ND
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![EWC Controls 16X6 ND Rectangular Damper | 16X6 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_505234bc-f9e1-43e1-8637-64d4342f3cc3_medium.png?v=1710946377)
16X6 ND | Rectangular Damper | 16X6 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 16X6 ND
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![EWC Controls 12X18 ND-15S 12X18 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_4c1d3a20-78bc-423e-9640-59f595b51d4a_medium.png?v=1713902243)
12X18 ND-15S | 12X18 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 12X18 ND-15S
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![EWC Controls 8X20 ND-15S 8X20 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_16e2a5f9-edd6-4192-9c2d-f7476cbeeda1_medium.png?v=1713902364)
8X20 ND-15S | 8X20 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 8X20 ND-15S
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![EWC Controls 16X12 ND-15S 16X12 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_4f1c628a-71f0-4e4d-b521-a3c876248adb_medium.png?v=1713902234)
16X12 ND-15S | 16X12 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 16X12 ND-15S
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![EWC Controls 10X8 ND-15S 10X8 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_b60a6a51-5935-48c8-8dea-a25966e3d5c8_medium.png?v=1713902253)
10X8 ND-15S | 10X8 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 10X8 ND-15S
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![EWC Controls 10 SID 10 Inch Slip In Retrofit Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/sid1_64ab1cfc-d9b7-48c8-8280-c9f079dd1a43_medium.gif?v=1713902311)
10 SID | 10 Inch Slip In Retrofit Damper | EWC Controls
Brand: EWC Controls
SKU: 10 SID
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![EWC Controls 8 SID 8 Inch Slip In Retrofit Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/sid1_aff2c72d-a7c5-45bc-a210-c59e60a3c85f_medium.gif?v=1713902466)
8 SID | 8 Inch Slip In Retrofit Damper | EWC Controls
Brand: EWC Controls
SKU: 8 SID
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![EWC Controls 6 SID 6 Inch Slip In Retrofit Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/sid1_590019f3-5879-47db-8f25-9ff3db0227ad_medium.gif?v=1713902470)
6 SID | 6 Inch Slip In Retrofit Damper | EWC Controls
Brand: EWC Controls
SKU: 6 SID
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![EWC Controls 16 RSD 16 Inch Round Motorized Spring Return Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/rsd_2d6621b0-391b-42d0-a7b9-dc226200ca42_medium.png?v=1713902385)
16 RSD | 16 Inch Round Motorized Spring Return Damper | EWC Controls
Brand: EWC Controls
SKU: 16 RSD
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![EWC Controls 12 RSD 12 Inch Round Motorized Spring Return Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/rsd_ef5debe4-06bf-4b7b-aac6-f17a1ab5b7a8_medium.png?v=1713902365)
12 RSD | 12 Inch Round Motorized Spring Return Damper | EWC Controls
Brand: EWC Controls
SKU: 12 RSD
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![EWC Controls 10 RSD 10 Inch Round Motorized Spring Return Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/rsd_medium.png?v=1713902326)
10 RSD | 10 Inch Round Motorized Spring Return Damper | EWC Controls
Brand: EWC Controls
SKU: 10 RSD
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![EWC Controls 9 RSD 9 Inch Round Motorized Spring Return Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/rsd_d865d564-e780-420b-849d-9a4d2a9ad1a8_medium.png?v=1713902494)
9 RSD | 9 Inch Round Motorized Spring Return Damper | EWC Controls
Brand: EWC Controls
SKU: 9 RSD
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![EWC Controls 6 RSD 6 Inch Round Motorized Spring Return Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/rsd_f64799f3-ef6b-4678-9ce3-db530c85f72f_medium.png?v=1713902498)
6 RSD | 6 Inch Round Motorized Spring Return Damper | EWC Controls
Brand: EWC Controls
SKU: 6 RSD
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![EWC Controls 4 RSD 4 Inch Round Motorized Spring Return Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/rsd_ec036dc6-d760-49a9-aab5-7433a4cf8f9e_medium.png?v=1713902480)
4 RSD | 4 Inch Round Motorized Spring Return Damper | EWC Controls
Brand: EWC Controls
SKU: 4 RSD
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![EWC Controls 16 EBD 16 Inch Round Electronic Static Pressure Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/ebd-round_a9f44cfa-3c55-4507-bfb9-7872113e104e_medium.gif?v=1713902381)
16 EBD | 16 Inch Round Electronic Static Pressure Bypass Damper | EWC Controls
Brand: EWC Controls
SKU: 16 EBD
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![EWC Controls 14 EBD 14 Inch Round Electronic Static Pressure Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/ebd-round_3c16ce7b-b9db-4f27-9ae2-08d2696372fd_medium.gif?v=1713902380)
14 EBD | 14 Inch Round Electronic Static Pressure Bypass Damper | EWC Controls
Brand: EWC Controls
SKU: 14 EBD
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![EWC Controls 8 EBD 8 Inch Round Electronic Static Pressure Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/ebd-round_a58badf1-751e-454a-bddf-7dae32480a90_medium.gif?v=1713902499)
8 EBD | 8 Inch Round Electronic Static Pressure Bypass Damper | EWC Controls
Brand: EWC Controls
SKU: 8 EBD
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![EWC Controls 18X24 ND-RSD NC Rectangular Damper | 18X24 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_ef2e5558-64e3-4f7a-a580-560095a758cb_medium.png?v=1713902411)
18X24 ND-RSD NC | Rectangular Damper | 18X24 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 18X24 ND-RSD NC
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![EWC Controls 16X20 ND-RSD NC Rectangular Damper | 16X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_393830d7-599a-475b-a0c7-320235979869_medium.png?v=1713902371)
16X20 ND-RSD NC | Rectangular Damper | 16X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 16X20 ND-RSD NC
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