Dampers (hidden without zone panels) Rectangular Shape
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 14X14 ND-RSD NO Rectangular Damper | 14X14 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_b7cabd84-c580-43c4-92a8-a6c502a01916_medium.png?v=1713902385)
14X14 ND-RSD NO | Rectangular Damper | 14X14 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 14X14 ND-RSD NO
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![EWC Controls 14X12 ND-RSD NO Rectangular Damper | 14X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_df4c29b1-7b58-42c8-bc87-6c5af2404c4b_medium.png?v=1713902376)
14X12 ND-RSD NO | Rectangular Damper | 14X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 14X12 ND-RSD NO
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![EWC Controls 14X10 ND-RSD NO Rectangular Damper | 14X10 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_b82a1faf-ab07-4c07-b776-28745366a75c_medium.png?v=1713902355)
14X10 ND-RSD NO | Rectangular Damper | 14X10 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 14X10 ND-RSD NO
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![EWC Controls 14X8 ND-RSD NO Rectangular Damper | 14X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_621c382e-499d-4377-8595-194816a33377_medium.png?v=1713902380)
14X8 ND-RSD NO | Rectangular Damper | 14X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 14X8 ND-RSD NO
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![EWC Controls 14X6 ND-RSD NO Rectangular Damper | 14X6 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_835d87f5-22a2-4035-b004-029d2e013e1d_medium.png?v=1713902380)
14X6 ND-RSD NO | Rectangular Damper | 14X6 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 14X6 ND-RSD NO
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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_28424065-f05b-47fc-a45b-7dab4578e222_medium.png?v=1713902297)
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/products/nd_0603a9fe-7773-4588-8cea-d48eaa2373c8_medium.png?v=1710946391)
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/products/nd_8c7cdea6-c7c5-4372-9d9f-fba79f2d9ee2_medium.png?v=1710946391)
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/products/nd_682fd01c-c173-4c0d-bcae-6405e4434086_medium.png?v=1710946406)
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/products/nd_1f54d254-14b1-485e-8278-ebed1a3a3440_medium.png?v=1710946377)
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/products/nd_dd53861a-3dd1-44fd-b211-ce408614b9a2_medium.png?v=1710946385)
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/products/nd_f5834955-4ba9-4cfb-b440-283641282dc6_medium.png?v=1710946384)
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/products/nd_c78c477d-f4d7-4442-a42e-094424755c16_medium.png?v=1710946387)
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/products/nd_0b767c43-7211-4548-a20e-dee5348d8e5f_medium.png?v=1710946384)
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/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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