Dampers (hidden without zone panels) EWC Controls
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 18X8 ND Rectangular Damper | 18X8 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_7a7d626e-fd6a-48c0-a9b0-07d51abed8fe_medium.png?v=1710946392)
18X8 ND | Rectangular Damper | 18X8 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 18X8 ND
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![EWC Controls 10 CLBD 10 CLBD CONSTANT LOAD BY-PASS DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/clbd_404d2909-6ed2-4a89-a721-5d1efef61e10_medium.png?v=1713902306)
10 CLBD | 10 CLBD CONSTANT LOAD BY-PASS DAMPER | EWC Controls
Brand: EWC Controls
SKU: 10 CLBD
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![EWC Controls 6 URD-SRE120 N.C. 6 Inch 120V Round Motorized Spring Return Damper Normally Closed | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_b739c307-590f-48db-91c0-6c35950f1550_medium.gif?v=1713902490)
6 URD-SRE120 N.C. | 6 Inch 120V Round Motorized Spring Return Damper Normally Closed | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 6 URD-SRE120 N.C.
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![EWC Controls 8 URD 8 Inch Round Motorized Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sm_6d1de3a6-033b-41d6-b610-8933fa66eeb0_medium.gif?v=1713902475)
8 URD | 8 Inch Round Motorized Damper | EWC Controls
Brand: EWC Controls
SKU: 8 URD
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![EWC Controls 6 URD 6 Inch Round Motorized Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sm_ca153104-106a-45b4-b8e3-a2e68533e581_medium.gif?v=1713902470)
6 URD | 6 Inch Round Motorized Damper | EWC Controls
Brand: EWC Controls
SKU: 6 URD
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![EWC Controls 12X16 ND Rectangular Damper | 12X16 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_4aaa584a-721b-451d-b306-a15a63094619_medium.png?v=1710946381)
12X16 ND | Rectangular Damper | 12X16 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 12X16 ND
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![EWC Controls 30X30 ND Rectangular Damper | 30X30 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_03775aff-d46a-42a9-a5e4-eab0bb439723_medium.png?v=1710946402)
30X30 ND | Rectangular Damper | 30X30 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 30X30 ND
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![EWC Controls 30X12 ND Rectangular Damper | 30X12 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_b6a6c84b-ded6-414b-aa17-1ea783afee78_medium.png?v=1710946398)
30X12 ND | Rectangular Damper | 30X12 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 30X12 ND
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![EWC Controls 30X8 ND Rectangular Damper | 30X8 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_e9272cdc-fa9a-4402-9e17-8b73ccf5d483_medium.png?v=1710946399)
30X8 ND | Rectangular Damper | 30X8 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 30X8 ND
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![EWC Controls 18X18 ND Rectangular Damper | 18X18 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_595da528-e322-4fde-a471-e5569eb53948_medium.png?v=1710946377)
18X18 ND | Rectangular Damper | 18X18 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 18X18 ND
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![EWC Controls 16X8 ND Rectangular Damper | 16X8 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_d15f9f33-a9a1-4cf3-814d-1dea329334dd_medium.png?v=1710946388)
16X8 ND | Rectangular Damper | 16X8 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 16X8 ND
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![EWC Controls 12X8 ND Rectangular Damper | 12X8 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_02700151-aa0b-4ae3-bfc1-51c53d3079c5_medium.png?v=1710946377)
12X8 ND | Rectangular Damper | 12X8 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 12X8 ND
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![EWC Controls 10 URD-SRE120 N.C. 10 Inch 120V Round Motorized Spring Return Damper Normally Closed | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_e184f5f4-a412-47f9-be88-922502c98d05_medium.gif?v=1713902285)
10 URD-SRE120 N.C. | 10 Inch 120V Round Motorized Spring Return Damper Normally Closed | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 10 URD-SRE120 N.C.
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![EWC Controls 8 URD-SRE120 N.C. 8 Inch 120V Round Motorized Spring Return Damper Normally Closed | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_ed234d17-166f-4f96-b676-a76313b53b04_medium.gif?v=1713902502)
8 URD-SRE120 N.C. | 8 Inch 120V Round Motorized Spring Return Damper Normally Closed | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 8 URD-SRE120 N.C.
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![EWC Controls 8 RSD 8 Inch Round Motorized Spring Return Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/rsd_8338239f-79d1-4cc4-abe8-30a1a39c395f_medium.png?v=1713902470)
8 RSD | 8 Inch Round Motorized Spring Return Damper | EWC Controls
Brand: EWC Controls
SKU: 8 RSD
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![EWC Controls 18 EBD 18 Inch Round Electronic Static Pressure Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/ebd-round_3ed7f0e6-5105-4a57-98bd-ba1f4dbeff39_medium.gif?v=1713902397)
18 EBD | 18 Inch Round Electronic Static Pressure Bypass Damper | EWC Controls
Brand: EWC Controls
SKU: 18 EBD
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![EWC Controls 20X20 ND-RSD NC Rectangular Damper | 20X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_a57e7483-c85b-4e72-9c9d-c7f90c3d59d6_medium.png?v=1713902406)
20X20 ND-RSD NC | Rectangular Damper | 20X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 20X20 ND-RSD NC
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![EWC Controls 18X12 ND-RSD NC Rectangular Damper | 18X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_cfe9b3f8-9959-45db-85b2-dd4516e24455_medium.png?v=1713902404)
18X12 ND-RSD NC | Rectangular Damper | 18X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 18X12 ND-RSD NC
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![EWC Controls 8X18 ND Rectangular Damper | 8X18 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_9e431dc6-8906-419d-835a-983a3858c447_medium.png?v=1710946406)
8X18 ND | Rectangular Damper | 8X18 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 8X18 ND
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![EWC Controls 20X18 ND Rectangular Damper | 20X18 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_4e407f64-b5c9-47c3-b116-8d6241f1f9a4_medium.png?v=1710946402)
20X18 ND | Rectangular Damper | 20X18 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 20X18 ND
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![EWC Controls 16X16 ND Rectangular Damper | 16X16 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_13bb5735-fe90-4650-88af-90fe4743728f_medium.png?v=1710946380)
16X16 ND | Rectangular Damper | 16X16 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 16X16 ND
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![EWC Controls 14X10 ND Rectangular Damper | 14X10 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_57a56542-a572-43c6-accf-11e8da821d38_medium.png?v=1710946381)
14X10 ND | Rectangular Damper | 14X10 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 14X10 ND
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![EWC Controls 14X6 ND Rectangular Damper | 14X6 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_39253fdf-f341-4b0c-9334-3e8052066633_medium.png?v=1710946387)
14X6 ND | Rectangular Damper | 14X6 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 14X6 ND
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![EWC Controls 10x6 ND Rectangular Damper | 10X6 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_59b21661-a8b1-4ce2-b01c-ffd9b85d66ec_medium.png?v=1710946381)
10x6 ND | Rectangular Damper | 10X6 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 10x6 ND
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