Dampers (hidden without zone panels) EWC Controls
Zone dampers for HVAC systems without zone control panels. Order Individual 24V motorized dampers for creating HVAC zones today at Blackhawk Supply.
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![EWC Controls 22X10 ND Rectangular Damper | 22X10 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_b57ee618-a95e-43fd-9a19-5b915d2bf70f_medium.png?v=1710946388)
22X10 ND | Rectangular Damper | 22X10 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 22X10 ND
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![EWC Controls 20X20 ND Rectangular Damper | 20X20 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_c32140e8-9f8a-495c-9c7f-11a132a7d6c2_medium.png?v=1710946380)
20X20 ND | Rectangular Damper | 20X20 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 20X20 ND
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![EWC Controls 16X12 ND Rectangular Damper | 16X12 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_ba30d7df-c4f0-4426-a4fa-0dedc6916e5e_medium.png?v=1710946381)
16X12 ND | Rectangular Damper | 16X12 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 16X12 ND
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![EWC Controls 14X12 ND Rectangular Damper | 14X12 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_91a98304-bd4d-44cd-8f85-58f42c8ff163_medium.png?v=1710946384)
14X12 ND | Rectangular Damper | 14X12 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 14X12 ND
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![EWC Controls 12X6 ND Rectangular Damper | 12X6 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_fc4e45fb-437c-4e29-afb7-218e08d45d97_medium.png?v=1710946384)
12X6 ND | Rectangular Damper | 12X6 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 12X6 ND
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![EWC Controls 8X18 ND-15S 8X18 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_aa3d70f6-42c6-479c-9e82-a0c68c490159_medium.png?v=1713902297)
8X18 ND-15S | 8X18 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 8X18 ND-15S
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![EWC Controls 20X8 ND-15S 20X8 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_a93fd74b-c33d-497f-9767-535e11d365f4_medium.png?v=1713902264)
20X8 ND-15S | 20X8 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 20X8 ND-15S
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![EWC Controls 14X10 ND-15S 14X10 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_18c13d9c-c3ea-4f60-898e-0bee688469e9_medium.png?v=1713902233)
14X10 ND-15S | 14X10 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 14X10 ND-15S
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![EWC Controls 8X16 ND-15S 8X16 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_94f10525-306f-42c1-bbd9-1d989f80efd7_medium.png?v=1713902343)
8X16 ND-15S | 8X16 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 8X16 ND-15S
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![EWC Controls 6 URD-SRE120 N.O. 6 Inch 120V Round Motorized Spring Return Damper Normally Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_9a60897a-ea23-49ff-810b-4e86bb6e16ce_medium.gif?v=1713902502)
6 URD-SRE120 N.O. | 6 Inch 120V Round Motorized Spring Return Damper Normally Open | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 6 URD-SRE120 N.O.
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![EWC Controls 14 RSD 14 Inch Round Motorized Spring Return Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/rsd_7100436e-2af5-4034-bc47-b82b9b077ef9_medium.png?v=1713902365)
14 RSD | 14 Inch Round Motorized Spring Return Damper | EWC Controls
Brand: EWC Controls
SKU: 14 RSD
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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 12X12 PRD 12X12 Rectangular Manual Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/prd_26954141-5c80-4918-8928-360dc516c079_medium.gif?v=1713902391)
12X12 PRD | 12X12 Rectangular Manual Bypass Damper | EWC Controls
Brand: EWC Controls
SKU: 12X12 PRD
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![EWC Controls 12X8 PRD 12X8 Rectangular Manual Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/prd_5da146df-ee21-48e0-8f04-3135fb627e77_medium.gif?v=1713902362)
12X8 PRD | 12X8 Rectangular Manual Bypass Damper | EWC Controls
Brand: EWC Controls
SKU: 12X8 PRD
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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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