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 30X18 ND-15S 30X18 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_86923b2d-fa44-453a-88a6-61caada23192_medium.png?v=1720000370)
30X18 ND-15S | 30X18 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 30X18 ND-15S
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![EWC Controls 30X16 ND-15S 30X16 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_58cfa586-9e1e-4c34-97a5-c9f6257b0ce5_medium.png?v=1720000361)
30X16 ND-15S | 30X16 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 30X16 ND-15S
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![EWC Controls 30X8 ND-15S 30X8 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_8d286f37-c4ee-4fa3-8c6d-3af9f61d0dc3_medium.png?v=1720000370)
30X8 ND-15S | 30X8 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 30X8 ND-15S
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![EWC Controls 28X28 ND-15S 28X28 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_20b74036-faa9-4603-909f-9d9d7ef1b042_medium.png?v=1720094294)
28X28 ND-15S | 28X28 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 28X28 ND-15S
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![EWC Controls 28X26 ND-15S 28X26 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_e3879a61-880f-48a6-b47c-6cdf7475e6c0_medium.png?v=1720000375)
28X26 ND-15S | 28X26 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 28X26 ND-15S
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![EWC Controls 28X22 ND-15S 28X22 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_01e5121d-4a72-4250-8324-e98c1efe4929_medium.png?v=1720000361)
28X22 ND-15S | 28X22 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 28X22 ND-15S
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![EWC Controls 28X24 ND-15S 28X24 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_e9b6e1b1-1b4e-4c2e-a7d5-69a1253d17df_medium.png?v=1720000365)
28X24 ND-15S | 28X24 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 28X24 ND-15S
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![EWC Controls 28X20 ND-15S 28X20 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_a5824d84-aad6-4998-90b4-04680f58a30b_medium.png?v=1720000340)
28X20 ND-15S | 28X20 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 28X20 ND-15S
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![EWC Controls 30X6 ND-15S 30X6 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_4fad533e-f11b-4da7-a940-a8b81ed61d26_medium.png?v=1720000360)
30X6 ND-15S | 30X6 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 30X6 ND-15S
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![EWC Controls 28X18 ND-15S 28X18 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_cb6e230e-8baf-4222-aeb0-2927748048e1_medium.png?v=1720000351)
28X18 ND-15S | 28X18 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 28X18 ND-15S
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![EWC Controls 28X14 ND-15S 28X14 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_ae0dbb68-3fb4-4dfc-94ee-a8b3b6952a18_medium.png?v=1720000394)
28X14 ND-15S | 28X14 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 28X14 ND-15S
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![EWC Controls 28X12 ND-15S 28X12 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_9579d4ff-7a9a-4bbc-b330-dbf0b20d3859_medium.png?v=1720000350)
28X12 ND-15S | 28X12 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 28X12 ND-15S
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![EWC Controls 28X10 ND-15S 28X10 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_9645470e-7ef0-466e-b806-7526c9198590_medium.png?v=1720000408)
28X10 ND-15S | 28X10 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 28X10 ND-15S
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![EWC Controls 28X16 ND-15S 28X16 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_17ad4f19-d404-4856-bd2e-f7ad3ff557da_medium.png?v=1720000345)
28X16 ND-15S | 28X16 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 28X16 ND-15S
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![EWC Controls 28X8 ND-15S 28X8 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_fb364f98-b652-4576-8d9c-e96eaad808a6_medium.png?v=1720094293)
28X8 ND-15S | 28X8 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 28X8 ND-15S
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![EWC Controls 26X18 ND-15S 26X18 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_e3b8525c-a0c2-491a-9861-8da83b975283_medium.png?v=1720000356)
26X18 ND-15S | 26X18 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 26X18 ND-15S
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![EWC Controls 26X22 ND-15S 26X22 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_21acb050-9a82-4508-8dd2-f5733da1f141_medium.png?v=1720000356)
26X22 ND-15S | 26X22 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 26X22 ND-15S
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![EWC Controls 28X6 ND-15S 28X6 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_6db5bd5b-9037-4f69-97d0-bfd7abec8375_medium.png?v=1720094294)
28X6 ND-15S | 28X6 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 28X6 ND-15S
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![EWC Controls 26X26 ND-15S 26X26 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_a84a7543-a3b1-4ea0-b849-912551a740b8_medium.png?v=1720000360)
26X26 ND-15S | 26X26 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 26X26 ND-15S
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![EWC Controls 26X24 ND-15S 26X24 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_b7300082-cb79-4724-b7a5-5ea8143893b2_medium.png?v=1720000413)
26X24 ND-15S | 26X24 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 26X24 ND-15S
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![EWC Controls 26X20 ND-15S 26X20 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_387fad9b-b247-42cb-b048-6735f9cfab1e_medium.png?v=1720000345)
26X20 ND-15S | 26X20 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 26X20 ND-15S
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![EWC Controls 26X8 ND-15S 26X8 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_0dfa891e-579a-4f52-b890-63e58763d009_medium.png?v=1720000350)
26X8 ND-15S | 26X8 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 26X8 ND-15S
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![EWC Controls 26X16 ND-15S 26X16 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_ced6a43e-3c80-4e7f-af6a-2d564e892104_medium.png?v=1720094298)
26X16 ND-15S | 26X16 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 26X16 ND-15S
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![EWC Controls 26X14 ND-15S 26X14 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_69e43be7-808c-4aaa-b037-156084f18d51_medium.png?v=1720094311)
26X14 ND-15S | 26X14 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 26X14 ND-15S
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RDY2000BN | BACnet Commercial Thermostat | Siemens
Brand: Siemens
SKU: RDY2000BN