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 12X22 ND Rectangular Damper | 12X22 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_2b939ff1-2152-40a9-a81a-d3e167ee047e_medium.png?v=1710946392)
12X22 ND | Rectangular Damper | 12X22 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 12X22 ND
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![EWC Controls 10X20 ND Rectangular Damper | 10X20 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_4b0311e2-3b37-4199-95aa-01322323283d_medium.png?v=1710946380)
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/products/nd_f36f821c-6f15-42b8-b7a3-d209c46e6d5f_medium.png?v=1710946381)
10x16 ND | Rectangular Damper | 10X16 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 10x16 ND
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![EWC Controls 8X22 ND Rectangular Damper | 8X22 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_67d4a167-ba9b-4152-8ce8-39ff56648f29_medium.png?v=1710946406)
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/products/nd_9c1bc20e-9851-44b5-b8b0-a8ad540c75a2_medium.png?v=1710946406)
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/products/nd_bbb70a00-cfc1-40b6-8fa6-184e310d1091_medium.png?v=1710946399)
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/products/nd_ee5239c2-d403-49c3-ad4f-b93309c300b9_medium.png?v=1710946403)
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/products/nd_413420c7-f8bb-40ac-bf6a-5c5db298ab57_medium.png?v=1710946399)
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/products/nd_bf03aed5-6603-4922-bc1b-fa9bc87305e4_medium.png?v=1710946398)
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/products/nd_aab0c605-fee2-4177-8431-df9a51346ebf_medium.png?v=1710946398)
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/products/nd_3cbe65ee-8c1e-4a1d-9bc2-6f127f6e68e2_medium.png?v=1710946406)
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/products/nd_e0af75cd-a854-44a3-b106-c13bb3fb2be0_medium.png?v=1710946399)
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/products/nd_c1e84a2f-c0a2-48af-bbbf-c918312ee591_medium.png?v=1710946392)
26X12 ND | Rectangular Damper | 26X12 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 26X12 ND
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![EWC Controls 26X8 ND Rectangular Damper | 26X8 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_d48090c1-d3a6-4a7d-a9b9-c9b72dd809cd_medium.png?v=1710946403)
26X8 ND | Rectangular Damper | 26X8 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 26X8 ND
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![EWC Controls 22X18 ND Rectangular Damper | 22X18 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_dc12a780-d48e-4e31-9005-aa2d671c1155_medium.png?v=1710946388)
22X18 ND | Rectangular Damper | 22X18 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 22X18 ND
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![EWC Controls 22X16 ND Rectangular Damper | 22X16 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_0f98be56-5979-47e2-bcb2-0fbc9cd3b500_medium.png?v=1710946394)
22X16 ND | Rectangular Damper | 22X16 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 22X16 ND
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![EWC Controls 22X6 ND Rectangular Damper | 22X6 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_ac64e1f3-a421-41e1-a07a-01aaf8ff6750_medium.png?v=1710946391)
22X6 ND | Rectangular Damper | 22X6 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 22X6 ND
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![EWC Controls 20X10 ND Rectangular Damper | 20X10 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_ebfe80b2-227c-4d51-bc4c-0dd00d850eed_medium.png?v=1710946395)
20X10 ND | Rectangular Damper | 20X10 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 20X10 ND
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![EWC Controls 18X16 ND Rectangular Damper | 18X16 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_26b13943-583c-4eb1-bbf9-df06d82cbc51_medium.png?v=1710946388)
18X16 ND | Rectangular Damper | 18X16 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 18X16 ND
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![EWC Controls 10X8 ND Rectangular Damper | 10X8 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_515d2f66-1fbc-44a9-ba34-be4429975b6c_medium.png?v=1710946384)
10X8 ND | Rectangular Damper | 10X8 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 10X8 ND
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![EWC Controls 12X10 ND-HD 12X10 ND-HD HAND DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_hd_345685e0-9c12-423c-bcb7-83cb6fb1f061_medium.png?v=1713902311)
12X10 ND-HD | 12X10 ND-HD HAND DAMPER | EWC Controls
Brand: EWC Controls
SKU: 12X10 ND-HD
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![EWC Controls 20X24 ND-15S 20X24 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_11f3ad2f-573e-404a-be41-e97d5eed3485_medium.png?v=1713902311)
20X24 ND-15S | 20X24 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 20X24 ND-15S
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![EWC Controls 18X20 ND-15S 18X20 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_767a7632-06e1-416e-91e0-26ea8cd9eadb_medium.png?v=1713902297)
18X20 ND-15S | 18X20 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 18X20 ND-15S
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![EWC Controls 20X22 ND-15S 20X22 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_3fe2184f-e137-4948-bcee-673f54cabae2_medium.png?v=1713902282)
20X22 ND-15S | 20X22 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 20X22 ND-15S
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