Dampers (hidden without zone panels) Non-spring return Spring return
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 20X10 EBD 20X10 Rectangular Electronic Static Pressure Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/ebd_d9f5bdbd-2632-4f24-85cb-b56f00f23d2e_medium.gif?v=1713902437)
20X10 EBD | 20X10 Rectangular Electronic Static Pressure Bypass Damper | EWC Controls
Brand: EWC Controls
SKU: 20X10 EBD
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![EWC Controls 20X8 EBD 20X8 Rectangular Electronic Static Pressure Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/ebd_61e45fc8-569e-4c6c-bb05-e2b800fb5708_medium.gif?v=1713902427)
20X8 EBD | 20X8 Rectangular Electronic Static Pressure Bypass Damper | EWC Controls
Brand: EWC Controls
SKU: 20X8 EBD
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![EWC Controls 12X12 EBD 12X12 Rectangular Electronic Static Pressure Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/ebd_72a600f7-a7af-4b95-a70b-8f5127a836f9_medium.gif?v=1713902361)
12X12 EBD | 12X12 Rectangular Electronic Static Pressure Bypass Damper | EWC Controls
Brand: EWC Controls
SKU: 12X12 EBD
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![EWC Controls 12X10 EBD 12X10 Rectangular Electronic Static Pressure Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/ebd_medium.gif?v=1713902311)
12X10 EBD | 12X10 Rectangular Electronic Static Pressure Bypass Damper | EWC Controls
Brand: EWC Controls
SKU: 12X10 EBD
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![EWC Controls 12X8 EBD 12X8 Rectangular Electronic Static Pressure Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/ebd_12762419-ef84-4df9-8b24-4514aabc76ad_medium.gif?v=1713902330)
12X8 EBD | 12X8 Rectangular Electronic Static Pressure Bypass Damper | EWC Controls
Brand: EWC Controls
SKU: 12X8 EBD
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![EWC Controls 20X24 ND Rectangular Damper | 20X24 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_83545e7b-ca2e-47cf-ba9f-34bcd33044d2_medium.png?v=1710946395)
20X24 ND | Rectangular Damper | 20X24 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 20X24 ND
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![EWC Controls 20X22 ND Rectangular Damper | 20X22 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_3eb1ac9a-20b9-4761-ab67-21390fb077c5_medium.png?v=1710946395)
20X22 ND | Rectangular Damper | 20X22 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 20X22 ND
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![EWC Controls 18X26 ND Rectangular Damper | 18X26 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_4a15ba6c-bd1c-4f27-8c86-e877bac210c6_medium.png?v=1710946388)
18X26 ND | Rectangular Damper | 18X26 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 18X26 ND
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![EWC Controls 16X30 ND Rectangular Damper | 16X30 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_2c412876-777d-414a-8015-c74ddd2ba5a9_medium.png?v=1710946380)
16X30 ND | Rectangular Damper | 16X30 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 16X30 ND
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![EWC Controls 16X28 ND Rectangular Damper | 16X28 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_52473970-a454-443c-a4fa-734a38102a97_medium.png?v=1710946394)
16X28 ND | Rectangular Damper | 16X28 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 16X28 ND
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![EWC Controls 16X22 ND Rectangular Damper | 16X22 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_d25e8f50-4e8b-4a6e-a25d-7dcb57498bff_medium.png?v=1710946391)
16X22 ND | Rectangular Damper | 16X22 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 16X22 ND
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![EWC Controls 16X18 ND Rectangular Damper | 16X18 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_c41c3d13-9d4b-4749-b8eb-39c6c7f7e025_medium.png?v=1710946377)
16X18 ND | Rectangular Damper | 16X18 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 16X18 ND
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![EWC Controls 14X28 ND Rectangular Damper | 14X28 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_01d287ef-2a81-417e-b9d7-fe8de5fad74d_medium.png?v=1710946376)
14X28 ND | Rectangular Damper | 14X28 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 14X28 ND
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![EWC Controls 14X26 ND Rectangular Damper | 14X26 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_c6884bb9-d3e6-4ba5-ae72-8299ddb2518d_medium.png?v=1710946377)
14X26 ND | Rectangular Damper | 14X26 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 14X26 ND
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![EWC Controls 14X22 ND Rectangular Damper | 14X22 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_52bc3303-e003-4fac-9ba1-b5309d8f5548_medium.png?v=1710946377)
14X22 ND | Rectangular Damper | 14X22 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 14X22 ND
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![EWC Controls 14X20 ND Rectangular Damper | 14X20 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_f362ca27-0720-4678-abdb-9ef8bf15c499_medium.png?v=1710946380)
14X20 ND | Rectangular Damper | 14X20 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 14X20 ND
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![EWC Controls 12X26 ND Rectangular Damper | 12X26 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_25d8aa26-a65f-44ba-86be-d104d1ab7c7b_medium.png?v=1710946377)
12X26 ND | Rectangular Damper | 12X26 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 12X26 ND
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![EWC Controls 10X30 ND Rectangular Damper | 10X30 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_97361eee-031d-480b-9dd8-ec0b127a8ece_medium.png?v=1710946384)
10X30 ND | Rectangular Damper | 10X30 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 10X30 ND
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![EWC Controls 10X28 ND Rectangular Damper | 10X28 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_36e93c34-81e5-435e-9341-0db352a77feb_medium.png?v=1710946385)
10X28 ND | Rectangular Damper | 10X28 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 10X28 ND
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![EWC Controls 10X24 ND Rectangular Damper | 10X24 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_b1412f61-ee83-4654-b603-52a479f7d7c8_medium.png?v=1710946384)
10X24 ND | Rectangular Damper | 10X24 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 10X24 ND
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![EWC Controls 8X28 ND Rectangular Damper | 8X28 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_d4228149-d05e-488d-a4a6-27cf24652053_medium.png?v=1710946406)
8X28 ND | Rectangular Damper | 8X28 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 8X28 ND
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![EWC Controls 8X26 ND Rectangular Damper | 8X26 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_f9a3bc66-f50e-457b-9213-f4e779be4aec_medium.png?v=1710946403)
8X26 ND | Rectangular Damper | 8X26 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 8X26 ND
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![EWC Controls 30X28 ND Rectangular Damper | 30X28 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_c7677bf1-a686-409b-b748-aba95e616c81_medium.png?v=1710946403)
30X28 ND | Rectangular Damper | 30X28 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 30X28 ND
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![EWC Controls 30X26 ND Rectangular Damper | 30X26 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_c454fdbe-b2ab-402e-a9ad-ace98f530c61_medium.png?v=1710946403)
30X26 ND | Rectangular Damper | 30X26 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 30X26 ND
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