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 22X12 ND Rectangular Damper | 22X12 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_98150383-4368-4f01-a047-76750ae18b85_medium.png?v=1710946395)
22X12 ND | Rectangular Damper | 22X12 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 22X12 ND
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![EWC Controls 22X8 ND Rectangular Damper | 22X8 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_224acce1-8ca9-4044-859e-6158e4bf5155_medium.png?v=1710946398)
22X8 ND | Rectangular Damper | 22X8 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 22X8 ND
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![EWC Controls 20X16 ND Rectangular Damper | 20X16 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_a4e10c5a-a508-442c-8252-9b4bf68e86ae_medium.png?v=1710946395)
20X16 ND | Rectangular Damper | 20X16 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 20X16 ND
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![EWC Controls 20X8 ND Rectangular Damper | 20X8 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_12a00108-7750-4bf3-a63b-63086036a271_medium.png?v=1710946391)
20X8 ND | Rectangular Damper | 20X8 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 20X8 ND
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![EWC Controls 18X14 ND Rectangular Damper | 18X14 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_89339ccb-a272-49bb-a107-a4c5a43de3e0_medium.png?v=1710946388)
18X14 ND | Rectangular Damper | 18X14 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 18X14 ND
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![EWC Controls 16X14 ND Rectangular Damper | 16X14 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_864ba532-7910-4964-983d-d972af5c3070_medium.png?v=1710946377)
16X14 ND | Rectangular Damper | 16X14 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 16X14 ND
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![EWC Controls 16X6 ND Rectangular Damper | 16X6 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_505234bc-f9e1-43e1-8637-64d4342f3cc3_medium.png?v=1710946377)
16X6 ND | Rectangular Damper | 16X6 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 16X6 ND
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![EWC Controls 14 PRD-RD 14 Inch Round Manual Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/bypass1_medium.jpg?v=1713902388)
14 PRD-RD | 14 Inch Round Manual Bypass Damper | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 14 PRD-RD
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![EWC Controls 10 SID 10 Inch Slip In Retrofit Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/sid1_64ab1cfc-d9b7-48c8-8280-c9f079dd1a43_medium.gif?v=1713902311)
10 SID | 10 Inch Slip In Retrofit Damper | EWC Controls
Brand: EWC Controls
SKU: 10 SID
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![EWC Controls 8 SID 8 Inch Slip In Retrofit Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/sid1_aff2c72d-a7c5-45bc-a210-c59e60a3c85f_medium.gif?v=1713902466)
8 SID | 8 Inch Slip In Retrofit Damper | EWC Controls
Brand: EWC Controls
SKU: 8 SID
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![EWC Controls 6 SID 6 Inch Slip In Retrofit Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/sid1_590019f3-5879-47db-8f25-9ff3db0227ad_medium.gif?v=1713902470)
6 SID | 6 Inch Slip In Retrofit Damper | EWC Controls
Brand: EWC Controls
SKU: 6 SID
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![EWC Controls 16 RSD 16 Inch Round Motorized Spring Return Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/rsd_2d6621b0-391b-42d0-a7b9-dc226200ca42_medium.png?v=1713902385)
16 RSD | 16 Inch Round Motorized Spring Return Damper | EWC Controls
Brand: EWC Controls
SKU: 16 RSD
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![EWC Controls 12 RSD 12 Inch Round Motorized Spring Return Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/rsd_ef5debe4-06bf-4b7b-aac6-f17a1ab5b7a8_medium.png?v=1713902365)
12 RSD | 12 Inch Round Motorized Spring Return Damper | EWC Controls
Brand: EWC Controls
SKU: 12 RSD
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![EWC Controls 10 RSD 10 Inch Round Motorized Spring Return Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/rsd_medium.png?v=1713902326)
10 RSD | 10 Inch Round Motorized Spring Return Damper | EWC Controls
Brand: EWC Controls
SKU: 10 RSD
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![EWC Controls 9 RSD 9 Inch Round Motorized Spring Return Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/rsd_d865d564-e780-420b-849d-9a4d2a9ad1a8_medium.png?v=1713902494)
9 RSD | 9 Inch Round Motorized Spring Return Damper | EWC Controls
Brand: EWC Controls
SKU: 9 RSD
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![EWC Controls 6 RSD 6 Inch Round Motorized Spring Return Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/rsd_f64799f3-ef6b-4678-9ce3-db530c85f72f_medium.png?v=1713902498)
6 RSD | 6 Inch Round Motorized Spring Return Damper | EWC Controls
Brand: EWC Controls
SKU: 6 RSD
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![EWC Controls 4 RSD 4 Inch Round Motorized Spring Return Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/rsd_ec036dc6-d760-49a9-aab5-7433a4cf8f9e_medium.png?v=1713902480)
4 RSD | 4 Inch Round Motorized Spring Return Damper | EWC Controls
Brand: EWC Controls
SKU: 4 RSD
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![EWC Controls EC EC Enthalpy Control Module | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/ec_medium.png?v=1713902503)
EC | EC Enthalpy Control Module | EWC Controls
Brand: EWC Controls
SKU: EC
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![EWC Controls DBA-18 DBA-18 18In Duct Board Adapt 2Pk | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/dba_06e33d39-cafc-4a62-ba8d-8f8a21a2222e_medium.gif?v=1713902507)
DBA-18 | DBA-18 18In Duct Board Adapt 2Pk | EWC Controls
Brand: EWC Controls
SKU: DBA-18
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![EWC Controls DBA-12 DBA-12 12In Duct Board Adapt 2Pk | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/dba_c53b7db8-7b6a-4131-9e18-6696fce68115_medium.gif?v=1713902520)
DBA-12 | DBA-12 12In Duct Board Adapt 2Pk | EWC Controls
Brand: EWC Controls
SKU: DBA-12
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![EWC Controls T-40VA-PT T-40Va Transformer 24V 40Va Plate Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/t40vapt_d2efc713-ef6f-494d-b354-2edb0e2d61a7_medium.png?v=1713902538)
T-40VA-PT | T-40Va Transformer 24V 40Va Plate Mount | EWC Controls
Brand: EWC Controls
SKU: T-40VA-PT
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![EWC Controls T-40VA-F T-40Va Transformer 24V 40Va Foot Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/t40va_medium.png?v=1713902519)
T-40VA-F | T-40Va Transformer 24V 40Va Foot Mount | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: T-40VA-F
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![EWC Controls VAC VAC Vacation Mode Switch Spdt | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/ewc-controls-rac-rac-remote-a-c-damper-control-spdt_d5ab54c6-7be5-4d52-8d42-6cfd9d3fe11e_medium.gif?v=1713902532)
VAC | VAC Vacation Mode Switch Spdt | EWC Controls
Brand: EWC Controls
SKU: VAC
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![EWC Controls BMPLUS-7000 BMPLUS-7000 2Stght/2Stgclg Cntl Pn | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/bmplus_64986504-5266-450e-8b2f-7addc266a67c_medium.png?v=1713902516)
BMPLUS-7000 | BMPLUS-7000 2Stght / 2Stgclg Cntl Pn | EWC Controls
Brand: EWC Controls
SKU: BMPLUS-7000
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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
SKU: MA-418-500![Schneider Electric MA-418 Act (MA-418): Elec, 2Pos, SR, 120 VAC, TB, 60 in-lb, Rotary, N1, Erie | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/MA-4_c6d3be61-0ef2-433b-830d-9bec9e29b3e0_large.jpg?v=1719925296)
MA-418 | Act (MA-418): Elec, 2Pos, SR, 120 VAC, TB, 60 in-lb, Rotary, N1, Erie | Schneider Electric
Brand: Schneider Electric
SKU: MA-418![Veris PW2XX05S Pressure | Wet | NEMA 4 | 0-250PSID | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PW2XX05S_c3edab78-35b4-4596-9a60-6fd13cfb39fc_large.jpg?v=1719511144)
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
SKU: E50B1![Contemporary Controls EIS8-100T 8-Port 10/100Mbps UL-864 EIS Switch | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/eis_9a0e88f3-1dff-47ba-acfe-120ff71a9fd4_large.jpg?v=1719250534)
EIS8-100T | 8-Port 10/100Mbps UL-864 EIS Switch | Contemporary Controls
Brand: Contemporary Controls
SKU: EIS8-100T![Neptronic SHS80-C Duct Mnt Humidity/High Limit | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/SKE4-SKS4_SHS80_d0f055ef-aed4-412c-bac8-68bfbd0ae0f2_large.png?v=1717516288)
SHS80-C | Duct Mnt Humidity/High Limit | Neptronic
Brand: Neptronic
SKU: SHS80-C