Dampers EWC Controls
From rectangular to motorized dampers, from bypass dampers to zoning panels: we’ve got it all! Find what you are looking for in our stock of over 2,000 products.
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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 ZXM-2 ZXM-2 Expansion Panel (UZC) | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/wpvfxyna_medium.gif?v=1713902511)
ZXM-2 | ZXM-2 Expansion Panel (UZC) | EWC Controls
Brand: EWC Controls
SKU: ZXM-2
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![EWC Controls HK2000 HK2000 Fresh Air/Economizer Panel | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/hk2000_medium.png?v=1713902531)
HK2000 | HK2000 Fresh Air / Economizer Panel | EWC Controls
Brand: EWC Controls
SKU: HK2000
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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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![EWC Controls 8X8 ND Rectangular Damper | 8X8 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_57b2f305-c2fd-458d-b52e-6768b3fd5c18_medium.png?v=1710946405)
8X8 ND | Rectangular Damper | 8X8 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 8X8 ND
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![EWC Controls 8 CLBD 8 CLBD CONSTANT LOAD BY-PASS DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/clbd_b59b6175-12f7-450d-a623-d299418cd25a_medium.png?v=1713902503)
8 CLBD | 8 CLBD CONSTANT LOAD BY-PASS DAMPER | EWC Controls
Brand: EWC Controls
SKU: 8 CLBD
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![EWC Controls 20X12 ND-HD 20X12 ND-HD HAND DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_hd_eb1d8754-f6a8-45bb-b716-f63f19ede2be_medium.png?v=1713902437)
20X12 ND-HD | 20X12 ND-HD HAND DAMPER | EWC Controls
Brand: EWC Controls
SKU: 20X12 ND-HD
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![EWC Controls 12X12 ND-HD 12X12 ND-HD HAND DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_hd_91a07a13-6616-4f93-91b5-861cc502fe43_medium.png?v=1713902351)
12X12 ND-HD | 12X12 ND-HD HAND DAMPER | EWC Controls
Brand: EWC Controls
SKU: 12X12 ND-HD
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![EWC Controls 12 EBD 12 Inch Round Electronic Static Pressure Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/ebd-round_ed83e30b-acea-45ce-aa12-071046646ce8_medium.gif?v=1713902331)
12 EBD | 12 Inch Round Electronic Static Pressure Bypass Damper | EWC Controls
Brand: EWC Controls
SKU: 12 EBD
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![EWC Controls 16X8 ND-RSD NC Rectangular Damper | 16X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_b237fe7e-9751-437b-989b-8c0b6871c9e3_medium.png?v=1713902389)
16X8 ND-RSD NC | Rectangular Damper | 16X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 16X8 ND-RSD NC
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![EWC Controls 8X8 ND-RSD NC Rectangular Damper | 8X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_3042d926-8f86-4729-82f9-d1993e0fde01_medium.png?v=1713902506)
8X8 ND-RSD NC | Rectangular Damper | 8X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 8X8 ND-RSD NC
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![EWC Controls 10X18 ND Rectangular Damper | 10X18 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_f97b7524-f38e-413b-9e84-6b6b7eab4e6b_medium.png?v=1710946381)
10X18 ND | Rectangular Damper | 10X18 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 10X18 ND
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![EWC Controls 10X14 ND Rectangular Damper | 10X14 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_5849af1d-3db6-4806-bd4f-253458773293_medium.png?v=1710946387)
10X14 ND | Rectangular Damper | 10X14 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 10X14 ND
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![EWC Controls 8X20 ND Rectangular Damper | 8X20 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_686ed537-3213-4f69-b467-39acfa292627_medium.png?v=1710946406)
8X20 ND | Rectangular Damper | 8X20 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 8X20 ND
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![EWC Controls 8X12 ND Rectangular Damper | 8X12 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_c6277c98-4a5d-4fad-ab10-2b10a030c703_medium.png?v=1710946403)
8X12 ND | Rectangular Damper | 8X12 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 8X12 ND
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![EWC Controls 30X20 ND Rectangular Damper | 30X20 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_42fc6889-7eeb-4acb-933b-2ac2061e2f5e_medium.png?v=1710946405)
30X20 ND | Rectangular Damper | 30X20 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 30X20 ND
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MA-418-500 | Act (MA-418-500): Elec, 2Pos, SR, 120 VAC, TB, 60 in-lb, Rotary, Auxiliary Switch: 1 SPDT, N1, Erie | Schneider Electric
Brand: Schneider Electric
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MA-418 | Act (MA-418): Elec, 2Pos, SR, 120 VAC, TB, 60 in-lb, Rotary, N1, Erie | Schneider Electric
Brand: Schneider Electric
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PW2XX05S | Pressure | Wet | NEMA 4 | 0-250PSID | Veris
Brand: Veris
SKU: PW2XX05S![Veris E50B1 DIN Energy Meter | VAR Pulse Out | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/E50B1_f7961d3f-980d-42b2-85d0-af98acd6ef71_large.jpg?v=1706922559)
E50B1 | DIN Energy Meter | VAR Pulse Out | Veris
Brand: Veris
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EIS8-100T | 8-Port 10/100Mbps UL-864 EIS Switch | Contemporary Controls
Brand: Contemporary Controls
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SHS80-C | Duct Mnt Humidity/High Limit | Neptronic
Brand: Neptronic
SKU: SHS80-C