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 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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![EWC Controls 20X14 ND Rectangular Damper | 20X14 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_2bad2a4f-60c4-4daf-b7e3-374b7f934f06_medium.png?v=1710946388)
20X14 ND | Rectangular Damper | 20X14 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 20X14 ND
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![EWC Controls 14X14 ND Rectangular Damper | 14X14 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_29e82290-9f6b-43b7-bf58-863959e14835_medium.png?v=1710946384)
14X14 ND | Rectangular Damper | 14X14 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 14X14 ND
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![EWC Controls 12X10 ND Rectangular Damper | 12X10 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_9492caf5-cac6-4245-a9be-7273721ac69b_medium.png?v=1710946377)
12X10 ND | Rectangular Damper | 12X10 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 12X10 ND
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![EWC Controls 10 PRD-RD 10 Inch Round Manual Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/bypass1_8f262048-9e8f-4e7c-942e-239d2e2c32a2_medium.jpg?v=1713902350)
10 PRD-RD | 10 Inch Round Manual Bypass Damper | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 10 PRD-RD
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![EWC Controls 4 SID 4 Inch Slip In Retrofit Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/sid1_5ee89470-427f-4c28-bae0-c567eabe4fe9_medium.gif?v=1713902470)
4 SID | 4 Inch Slip In Retrofit Damper | EWC Controls
Brand: EWC Controls
SKU: 4 SID
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![EWC Controls 5 URD-SRE120 N.O. 5 Inch 120V Round Motorized Spring Return Damper Normally Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_5a09e1ec-2315-4a95-bade-eb4b550e74fc_medium.gif?v=1713902502)
5 URD-SRE120 N.O. | 5 Inch 120V Round Motorized Spring Return Damper Normally Open | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 5 URD-SRE120 N.O.
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![EWC Controls 5 RSD 5 Inch Round Motorized Spring Return Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/rsd_746677d6-fba9-4843-8bb1-5cd88d6cedfc_medium.png?v=1713902498)
5 RSD | 5 Inch Round Motorized Spring Return Damper | EWC Controls
Brand: EWC Controls
SKU: 5 RSD
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![EWC Controls 7 URD 7 Inch Round Motorized Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sm_afdcfab8-7644-46a1-9080-5956e79b5a20_medium.gif?v=1713902541)
7 URD | 7 Inch Round Motorized Damper | EWC Controls
Brand: EWC Controls
SKU: 7 URD
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![EWC Controls MA-SRE120 MA-SRE 2 Wire Spring Return Motor / 120V | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/access6_1a771819-ad5f-4ffa-a911-92f895156277_medium.jpg?v=1713902511)
MA-SRE120 | MA-SRE 2 Wire Spring Return Motor / 120V | EWC Controls
Brand: EWC Controls
SKU: MA-SRE120
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![EWC Controls F1 F1 Slow Blow Fuse 5/Pk | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/fusef1_1a63cd3f-5038-45c0-94ab-34f94a649e13_medium.gif?v=1713902510)
F1 | F1 Slow Blow Fuse 5 / Pk | EWC Controls
Brand: EWC Controls
SKU: F1
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![EWC Controls R4 R4 Relay Coil 4Pdt 24 Volt | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/wprg7dt1_6b3d479b-56e6-45a5-bbb9-bd048626cf72_medium.gif?v=1713902527)
R4 | R4 Relay Coil 4Pdt 24 Volt | EWC Controls
Brand: EWC Controls
SKU: R4
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![EWC Controls DBA-14 DBA-14 14In Duct Board Adapt 2Pk | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/dba_512a44e5-5d37-4307-b221-6c9aca93719f_medium.gif?v=1713902520)
DBA-14 | DBA-14 14In Duct Board Adapt 2Pk | EWC Controls
Brand: EWC Controls
SKU: DBA-14
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![EWC Controls DBA-8 DBA-8 8In Duct Board Adapt 2Pk | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/dba_54fde641-a2ea-422d-a922-217f20e34967_medium.gif?v=1713902519)
DBA-8 | DBA-8 8In Duct Board Adapt 2Pk | EWC Controls
Brand: EWC Controls
SKU: DBA-8
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![EWC Controls RES RES Remote Emergency Switch Spdt | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/wpqk187a_medium.gif?v=1719987539)
RES | RES Remote Emergency Switch Spdt | EWC Controls
Brand: EWC Controls
SKU: RES
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![EWC Controls BMPLUS-5000 BMPLUS-5000 2Stght/2Stgclg Cntl Pn | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/bmplus_469a7a70-0bc9-42ee-b4a8-0caece886945_medium.png?v=1713902506)
BMPLUS-5000 | BMPLUS-5000 2Stght / 2Stgclg Cntl Pn | EWC Controls
Brand: EWC Controls
SKU: BMPLUS-5000
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![EWC Controls UZC-12 UZC-12 Zone/Cntrl Pnl 2Stclg/3Stg Ht | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/uzc4_8501096b-34c6-4a58-89c5-42fd2e1ac8a1_medium.png?v=1713902527)
UZC-12 | UZC-12 Zone / Cntrl Pnl 2Stclg / 3Stg Ht | EWC Controls
Brand: EWC Controls
SKU: UZC-12
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![EWC Controls 20X12 PRD 20X12 Rectangular Manual Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/prd_fe598e9e-0eb0-4979-98f1-c9338eec3e72_medium.gif?v=1713902418)
20X12 PRD | 20X12 Rectangular Manual Bypass Damper | EWC Controls
Brand: EWC Controls
SKU: 20X12 PRD
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![EWC Controls 12X10 PRD 12X10 Rectangular Manual Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/prd_5126c12d-f047-4513-af39-661cd7109ed4_medium.gif?v=1713902333)
12X10 PRD | 12X10 Rectangular Manual Bypass Damper | EWC Controls
Brand: EWC Controls
SKU: 12X10 PRD
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![EWC Controls 20X24 ND-RSD NC Rectangular Damper | 20X24 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_84ee8f44-33de-400c-9299-ff442eeb9fb2_medium.png?v=1713902401)
20X24 ND-RSD NC | Rectangular Damper | 20X24 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 20X24 ND-RSD NC
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![EWC Controls 18X20 ND-RSD NC Rectangular Damper | 18X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_dedcea40-f6ed-463d-baea-b75e43a15109_medium.png?v=1713902409)
18X20 ND-RSD NC | Rectangular Damper | 18X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 18X20 ND-RSD NC
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![EWC Controls 16X28 ND-RSD NC Rectangular Damper | 16X28 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_9f155e90-1f2f-4db5-b991-6ddd517db0b8_medium.png?v=1713902374)
16X28 ND-RSD NC | Rectangular Damper | 16X28 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 16X28 ND-RSD NC
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