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 10X10 ND-RSD NO Rectangular Damper | 10X10 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_ec3fbfd0-9131-4d0d-b30b-7964cf8381c1_medium.png?v=1720094289)
10X10 ND-RSD NO | Rectangular Damper | 10X10 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 10X10 ND-RSD NO
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![EWC Controls 18X22 ND Rectangular Damper | 18X22 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_2433afc3-672a-46ec-ab73-2a90025f4c7f_medium.png?v=1720000469)
18X22 ND | Rectangular Damper | 18X22 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 18X22 ND
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![EWC Controls 16X20 ND Rectangular Damper | 16X20 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_6443b001-c22c-45a5-a842-2a3cc93938c7_medium.png?v=1720000469)
16X20 ND | Rectangular Damper | 16X20 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 16X20 ND
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![EWC Controls 14X30 ND Rectangular Damper | 14X30 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_cdc69de9-4892-40dd-9983-c6a9051998b1_medium.png?v=1720000526)
14X30 ND | Rectangular Damper | 14X30 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 14X30 ND
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![EWC Controls 14X24 ND Rectangular Damper | 14X24 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_184a1843-28cf-4caa-9f7d-8f770de55a61_medium.png?v=1720000437)
14X24 ND | Rectangular Damper | 14X24 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 14X24 ND
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![EWC Controls 14X18 ND Rectangular Damper | 14X18 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_d55c4e93-fcd1-4c30-a798-5a195c2d61d3_medium.png?v=1720000438)
14X18 ND | Rectangular Damper | 14X18 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 14X18 ND
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![EWC Controls 12X30 ND Rectangular Damper | 12X30 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_133dfd7a-ba07-454d-918d-20ca1540738d_medium.png?v=1720000437)
12X30 ND | Rectangular Damper | 12X30 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 12X30 ND
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![EWC Controls 12X28 ND Rectangular Damper | 12X28 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_b2cdba41-b3f4-4dcb-86cd-fa803df8d00f_medium.png?v=1720000398)
12X28 ND | Rectangular Damper | 12X28 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 12X28 ND
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![EWC Controls 12X24 ND Rectangular Damper | 12X24 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_18072996-b061-4847-9a8f-1365d0ceeadc_medium.png?v=1720000419)
12X24 ND | Rectangular Damper | 12X24 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 12X24 ND
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![EWC Controls 12X22 ND Rectangular Damper | 12X22 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_b8b8306f-4c03-482c-b3d1-742fe027ce13_medium.png?v=1720000424)
12X22 ND | Rectangular Damper | 12X22 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 12X22 ND
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![EWC Controls 10X24 ND Rectangular Damper | 10X24 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_622b9c3b-33bf-423d-b59c-f5f82a28a249_medium.png?v=1720000365)
10X24 ND | Rectangular Damper | 10X24 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 10X24 ND
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![EWC Controls 10X20 ND Rectangular Damper | 10X20 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_b3de4307-1d02-4c69-a89b-77d8958ad385_medium.png?v=1720000389)
10X20 ND | Rectangular Damper | 10X20 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 10X20 ND
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![EWC Controls 10x16 ND Rectangular Damper | 10X16 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_a658a95a-a673-4abc-9159-d8a8f634b9e2_medium.png?v=1720000388)
10x16 ND | Rectangular Damper | 10X16 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 10x16 ND
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![EWC Controls 8X28 ND Rectangular Damper | 8X28 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_10cb3574-2bc8-41fa-ab4e-755df7bcb2c0_medium.png?v=1719987485)
8X28 ND | Rectangular Damper | 8X28 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 8X28 ND
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![EWC Controls 8X22 ND Rectangular Damper | 8X22 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_6ce1ac3a-8aee-4424-88c6-2229fa047733_medium.png?v=1719987485)
8X22 ND | Rectangular Damper | 8X22 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 8X22 ND
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![EWC Controls 8X10 ND Rectangular Damper | 8X10 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_25777cab-2d85-4d43-a436-851e17a4ca71_medium.png?v=1720000562)
8X10 ND | Rectangular Damper | 8X10 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 8X10 ND
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![EWC Controls 30X14 ND Rectangular Damper | 30X14 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_134a7200-a316-4e72-af4e-77b9ceb8c7d2_medium.png?v=1720000521)
30X14 ND | Rectangular Damper | 30X14 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 30X14 ND
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![EWC Controls 28X12 ND Rectangular Damper | 28X12 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_465f5a15-1a14-470d-9963-a1061ee2156f_medium.png?v=1720094311)
28X12 ND | Rectangular Damper | 28X12 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 28X12 ND
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![EWC Controls 28X8 ND Rectangular Damper | 28X8 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_7434839f-01ee-42c9-8c56-441ba6e900ac_medium.png?v=1720000512)
28X8 ND | Rectangular Damper | 28X8 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 28X8 ND
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![EWC Controls 28X6 ND Rectangular Damper | 28X6 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_a2bf0005-a58a-4d1f-9e8f-5e3587d74c2d_medium.png?v=1720000501)
28X6 ND | Rectangular Damper | 28X6 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 28X6 ND
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![EWC Controls 26X26 ND Rectangular Damper | 26X26 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_ffec1cdc-0979-41cf-960b-06582d71c607_medium.png?v=1720000542)
26X26 ND | Rectangular Damper | 26X26 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 26X26 ND
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![EWC Controls 26X18 ND Rectangular Damper | 26X18 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_2ecf3822-7aea-4ece-85de-9b6ab77103ff_medium.png?v=1720000526)
26X18 ND | Rectangular Damper | 26X18 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 26X18 ND
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![EWC Controls 26X16 ND Rectangular Damper | 26X16 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_db9ea990-a40d-46cc-be5f-9857997b37c9_medium.png?v=1720000496)
26X16 ND | Rectangular Damper | 26X16 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 26X16 ND
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![EWC Controls 26X12 ND Rectangular Damper | 26X12 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_191f5cd3-521a-4969-a9cf-4cb4d66741f8_medium.png?v=1720000497)
26X12 ND | Rectangular Damper | 26X12 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 26X12 ND
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