Dampers (hidden without zone panels) Yes Motorized
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 30X30 ND-RSD NO Rectangular Damper | 30X30 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_f74cefbc-cf3d-4505-8497-e9c36b1a292f_medium.png?v=1713902451)
30X30 ND-RSD NO | Rectangular Damper | 30X30 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 30X30 ND-RSD NO
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![EWC Controls 30X24 ND-RSD NO Rectangular Damper | 30X24 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_a49100d5-a7f0-4b41-9bed-2cf036ac37e4_medium.png?v=1713902462)
30X24 ND-RSD NO | Rectangular Damper | 30X24 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 30X24 ND-RSD NO
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![EWC Controls 30X14 ND-RSD NO Rectangular Damper | 30X14 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_1d92e4d0-d4ce-427a-b558-05b00a37f067_medium.png?v=1713902451)
30X14 ND-RSD NO | Rectangular Damper | 30X14 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 30X14 ND-RSD NO
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![EWC Controls 24X8 ND-RSD NO Rectangular Damper | 24X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN] | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_87468f6f-db0d-4c0c-badd-261ae6913249_medium.png?v=1713902427)
24X8 ND-RSD NO | Rectangular Damper | 24X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN] | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 24X8 ND-RSD NO
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![EWC Controls 20X14 ND-RSD NO Rectangular Damper | 20X14 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_2ffe9816-cd5d-4f37-b4b4-2b0d5543a23e_medium.png?v=1713902410)
20X14 ND-RSD NO | Rectangular Damper | 20X14 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 20X14 ND-RSD NO
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![EWC Controls 16X14 ND-RSD NO Rectangular Damper | 16X14 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_81d9b530-b070-4645-9128-38d13b0cf9b1_medium.png?v=1713902395)
16X14 ND-RSD NO | Rectangular Damper | 16X14 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 16X14 ND-RSD NO
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![EWC Controls 16X8 ND-RSD NO Rectangular Damper | 16X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_8e023a83-46fc-4a00-a607-86ce678f2054_medium.png?v=1713902410)
16X8 ND-RSD NO | Rectangular Damper | 16X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 16X8 ND-RSD NO
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![EWC Controls 12X12 ND-RSD NO Rectangular Damper | 12X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_c94a2422-9dd3-4abf-a8a6-6eb0d32d1ed4_medium.png?v=1713902394)
12X12 ND-RSD NO | Rectangular Damper | 12X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 12X12 ND-RSD NO
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![EWC Controls 12X6 ND-RSD NO Rectangular Damper | 12X6 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_1052d306-0f6c-4c43-8be0-cc55a41c7205_medium.png?v=1713902358)
12X6 ND-RSD NO | Rectangular Damper | 12X6 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 12X6 ND-RSD NO
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![EWC Controls 10X6 ND-RSD NO Rectangular Damper | 10X6 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_59530bd4-b39e-4fe0-a88e-893cdc507a76_medium.png?v=1713902366)
10X6 ND-RSD NO | Rectangular Damper | 10X6 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 10X6 ND-RSD NO
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![EWC Controls 14X16 ND Rectangular Damper | 14X16 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_f9deb5ae-88eb-4d55-a775-dbd3bc2f60d7_medium.png?v=1710946384)
14X16 ND | Rectangular Damper | 14X16 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 14X16 ND
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![EWC Controls 12X20 ND Rectangular Damper | 12X20 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_4ec954ee-dd08-4c99-89dd-e2c7a4682e6d_medium.png?v=1710946385)
12X20 ND | Rectangular Damper | 12X20 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 12X20 ND
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![EWC Controls 10X22 ND Rectangular Damper | 10X22 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_34e46888-d9a0-4d6c-ab0d-030ed82ccc80_medium.png?v=1710946377)
10X22 ND | Rectangular Damper | 10X22 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 10X22 ND
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![EWC Controls 8X30 ND Rectangular Damper | 8X30 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_291be8c3-a5fa-4d3c-8fbd-e8f8e49112d0_medium.png?v=1710946410)
8X30 ND | Rectangular Damper | 8X30 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 8X30 ND
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![EWC Controls 8X24 ND Rectangular Damper | 8X24 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_441ea9fd-4716-4179-8c49-2f3dfae4ca8a_medium.png?v=1710946409)
8X24 ND | Rectangular Damper | 8X24 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 8X24 ND
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![EWC Controls 30X24 ND Rectangular Damper | 30X24 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_61c487a4-9fa3-4390-ba31-0444f137a1bc_medium.png?v=1710946406)
30X24 ND | Rectangular Damper | 30X24 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 30X24 ND
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![EWC Controls 30X16 ND Rectangular Damper | 30X16 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_d79da228-65ea-442f-933f-e36c937080ec_medium.png?v=1710946406)
30X16 ND | Rectangular Damper | 30X16 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 30X16 ND
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![EWC Controls 30X6 ND Rectangular Damper | 30X6 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_d8c2a16e-1a9c-46c2-97d6-180986a127de_medium.png?v=1710946401)
30X6 ND | Rectangular Damper | 30X6 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 30X6 ND
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![EWC Controls 28X10 ND Rectangular Damper | 28X10 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_40ebd3d6-ff35-4589-9ed1-b00f035765f2_medium.png?v=1710946398)
28X10 ND | Rectangular Damper | 28X10 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 28X10 ND
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![EWC Controls 24X18 ND Rectangular Damper | 24X18 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_fc6eddb0-8ae6-407d-a089-227fe37bb804_medium.png?v=1710946394)
24X18 ND | Rectangular Damper | 24X18 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 24X18 ND
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![EWC Controls 24X14 ND Rectangular Damper | 24X14 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_ec86d20c-1c88-4b1e-b710-8f6c9d6d2324_medium.png?v=1710946395)
24X14 ND | Rectangular Damper | 24X14 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 24X14 ND
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![EWC Controls 24X8 ND Rectangular Damper | 24X8 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_16334997-799a-461f-bef7-fbe06c34b25b_medium.png?v=1710946392)
24X8 ND | Rectangular Damper | 24X8 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 24X8 ND
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![EWC Controls 24X6 ND Rectangular Damper | 24X6 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_510f0efd-0a33-490d-85a7-e43348f9cc05_medium.png?v=1710946402)
24X6 ND | Rectangular Damper | 24X6 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 24X6 ND
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![EWC Controls 22X14 ND Rectangular Damper | 22X14 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_86b93851-2638-4b55-81ca-27f95b17396f_medium.png?v=1710946406)
22X14 ND | Rectangular Damper | 22X14 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 22X14 ND
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