Ewc Rectangular Shape
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 24X12 ND-15S 24X12 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_2985e0ed-cff3-4f23-96f9-ae795f612f33_medium.png?v=1713902366)
24X12 ND-15S | 24X12 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 24X12 ND-15S
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![EWC Controls 22X22 ND-15S 22X22 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_d2e6f2fd-578a-4701-bc1e-16a67e743084_medium.png?v=1713902297)
22X22 ND-15S | 22X22 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 22X22 ND-15S
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![EWC Controls 22X18 ND-15S 22X18 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_72ea3b5f-1518-4840-b251-7beff17b6311_medium.png?v=1713902253)
22X18 ND-15S | 22X18 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 22X18 ND-15S
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![EWC Controls 22X14 ND-15S 22X14 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_a6ebe196-a589-4e63-8398-c69d0bb93dee_medium.png?v=1713902244)
22X14 ND-15S | 22X14 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 22X14 ND-15S
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![EWC Controls 22X16 ND-15S 22X16 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_d445a006-7c76-405a-83a6-c7c12d7a82db_medium.png?v=1713902233)
22X16 ND-15S | 22X16 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 22X16 ND-15S
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![EWC Controls 22X12 ND-15S 22X12 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_dbc6baed-974e-4af3-9cb8-fc5e704c1155_medium.png?v=1713902290)
22X12 ND-15S | 22X12 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 22X12 ND-15S
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![EWC Controls 22X8 ND-15S 22X8 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_216bc71f-2388-44a0-9032-1dfdd309e25f_medium.png?v=1713902234)
22X8 ND-15S | 22X8 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 22X8 ND-15S
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![EWC Controls 20X18 ND-15S 20X18 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_e0a49ea6-7aaa-4279-82f1-d82f36b5eea4_medium.png?v=1713902272)
20X18 ND-15S | 20X18 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 20X18 ND-15S
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![EWC Controls 22X10 ND-15S 22X10 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_411f3e8c-46bd-4ab6-830b-5483230a7cb1_medium.png?v=1713902306)
22X10 ND-15S | 22X10 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 22X10 ND-15S
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![EWC Controls 20X16 ND-15S 20X16 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_103aa145-407c-4c6c-b982-de006335c354_medium.png?v=1713902346)
20X16 ND-15S | 20X16 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 20X16 ND-15S
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![EWC Controls 22X6 ND-15S 22X6 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_01307fa0-7876-4db0-9532-293e00cb74f1_medium.png?v=1713902281)
22X6 ND-15S | 22X6 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 22X6 ND-15S
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![EWC Controls 20X14 ND-15S 20X14 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_e99f332b-e52b-4aa2-8fd9-c64fa4af137c_medium.png?v=1713902305)
20X14 ND-15S | 20X14 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 20X14 ND-15S
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![EWC Controls 20X20 ND-15S 20X20 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_c06a1c8b-b92c-4324-abbb-404430ddeb51_medium.png?v=1713902298)
20X20 ND-15S | 20X20 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 20X20 ND-15S
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![EWC Controls 20X12 ND-15S 20X12 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_3abefd29-602e-4847-8db1-be808d5ee1c4_medium.png?v=1713902286)
20X12 ND-15S | 20X12 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 20X12 ND-15S
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![EWC Controls 20X10 ND-15S 20X10 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_114d604c-5ee3-45dd-8f27-3df8d08eb667_medium.png?v=1713902233)
20X10 ND-15S | 20X10 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 20X10 ND-15S
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![EWC Controls 20X6 ND-15S 20X6 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_99012a7c-84c5-477b-9f5b-d347e7fddc61_medium.png?v=1713902253)
20X6 ND-15S | 20X6 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 20X6 ND-15S
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![EWC Controls 18X14 ND-15S 18X14 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_31f7887a-6aa4-49f6-8d88-5cf00a5077dc_medium.png?v=1713902285)
18X14 ND-15S | 18X14 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 18X14 ND-15S
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![EWC Controls 18X8 ND-15S 18X8 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_8c485652-1374-4318-8910-62fc48dc9815_medium.png?v=1713902272)
18X8 ND-15S | 18X8 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 18X8 ND-15S
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![EWC Controls 18X18 ND-15S 18X18 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_c954f0ab-4a52-44af-9f5b-241b5b0f7c60_medium.png?v=1713902537)
18X18 ND-15S | 18X18 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 18X18 ND-15S
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![EWC Controls 18X6 ND-15S 18X6 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_d7f502df-c06b-4533-a033-3571c99af11f_medium.png?v=1713902305)
18X6 ND-15S | 18X6 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 18X6 ND-15S
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![EWC Controls 18X16 ND-15S 18X16 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_0e098c48-a0df-4464-93c2-4f4ebfea2b3f_medium.png?v=1713902253)
18X16 ND-15S | 18X16 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 18X16 ND-15S
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![EWC Controls 18X12 ND-15S 18X12 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_e458c330-a0c4-4bc8-a787-dc37f538870f_medium.png?v=1713902281)
18X12 ND-15S | 18X12 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 18X12 ND-15S
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![EWC Controls 16X14 ND-15S 16X14 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_0013da8d-e3d5-446c-8847-7a4bcd2d96ab_medium.png?v=1713902278)
16X14 ND-15S | 16X14 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 16X14 ND-15S
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![EWC Controls 16X10 ND-15S 16X10 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_fd41675c-bd3d-4118-8fbe-fa4644497a74_medium.png?v=1713902253)
16X10 ND-15S | 16X10 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 16X10 ND-15S
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