ewc
We offer over 70 EWC HVAC products, including Bypass Dampers, Damper Controls & Accessories, Rectangular Dampers, Round Dampers, and Zoning Panels.
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![EWC Controls 8X14 ND Rectangular Damper | 8X14 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_e477de71-5451-4544-aa98-310d11b0cb36_medium.png?v=1720000561)
8X14 ND | Rectangular Damper | 8X14 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 8X14 ND
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![EWC Controls 24X10 ND Rectangular Damper | 24X10 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_14974957-1364-45c5-9968-5ef014448e5f_medium.png?v=1720000507)
24X10 ND | Rectangular Damper | 24X10 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 24X10 ND
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![EWC Controls 18X10 ND Rectangular Damper | 18X10 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_cdfd8c79-08e9-4f26-93c9-8e9f68447ec5_medium.png?v=1720000442)
18X10 ND | Rectangular Damper | 18X10 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 18X10 ND
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![EWC Controls 12X8 ND-HD 12X8 ND-HD HAND DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_hd_08c21dc3-6675-4780-aace-0b4b316baaea_medium.png?v=1720000402)
12X8 ND-HD | 12X8 ND-HD HAND DAMPER | EWC Controls
Brand: EWC Controls
SKU: 12X8 ND-HD
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![EWC Controls 18 URD 18 Inch Round Motorized Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sm_0dfae86a-51b8-44f0-999e-e034df3c0df4_medium.gif?v=1720000491)
18 URD | 18 Inch Round Motorized Damper | EWC Controls
Brand: EWC Controls
SKU: 18 URD
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![EWC Controls XM-2 XM-2 Expansion Panel (BMPLUS) | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/xm2_1512b726-e6b2-4e36-8651-578b782a3b01_medium.gif?v=1713902524)
XM-2 | XM-2 Expansion Panel (BMPLUS) | EWC Controls
Brand: EWC Controls
SKU: XM-2
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![EWC Controls UZC-8 UZC-8 Zone/Cntrl Pnl 2Stclg/3Stg Ht | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/uzc4_c6a9d4a6-745f-444e-ac0d-9f2cf6de9dad_medium.png?v=1719987519)
UZC-8 | UZC-8 Zone / Cntrl Pnl 2Stclg / 3Stg Ht | EWC Controls
Brand: EWC Controls
SKU: UZC-8
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![EWC Controls 8X16 ND Rectangular Damper | 8X16 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_93295e8b-d46c-4baa-85b7-8d2217c0ec47_medium.png?v=1720094307)
8X16 ND | Rectangular Damper | 8X16 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 8X16 ND
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![EWC Controls 24X16 ND Rectangular Damper | 24X16 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_456961b9-f914-44f9-9914-8486177e8d2f_medium.png?v=1720000473)
24X16 ND | Rectangular Damper | 24X16 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 24X16 ND
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![EWC Controls 18X8 ND Rectangular Damper | 18X8 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_3e46d1ae-122d-4251-a0b8-6f521c179e86_medium.png?v=1720000518)
18X8 ND | Rectangular Damper | 18X8 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 18X8 ND
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![EWC Controls EWT-725 5+1+1 programmable | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/ewc-controls-ewt-725_c39c71af-57be-4807-aa64-9ffaf5d6945c_medium.png?v=1713902527)
EWT-725 | 5+1+1 programmable | EWC Controls
Brand: EWC Controls
SKU: EWT-725
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![EWC Controls EWT-601-2 Digital non-programmable | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/ewc-controls-ewt-601-2_6b83ea59-8f97-4973-a022-67ba2d7e9ebb_medium.png?v=1713902498)
EWT-601-2 | Digital non-programmable | EWC Controls
Brand: EWC Controls
SKU: EWT-601-2
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![EWC Controls 10 CLBD 10 CLBD CONSTANT LOAD BY-PASS DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/clbd_68509d98-dac0-49ec-9aea-9f188b6cd038_medium.png?v=1720000388)
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_ea8001d4-5783-4dc9-8908-79d9a181aa23_medium.gif?v=1720000547)
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_d2eecb5d-a62a-44c9-a908-fbcf81f2238f_medium.gif?v=1720094306)
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_2f2721f6-5b15-47f0-9bee-dcf6638ecb23_medium.gif?v=1720094311)
6 URD | 6 Inch Round Motorized Damper | EWC Controls
Brand: EWC Controls
SKU: 6 URD
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![EWC Controls OAS OAS Outside Air Sensor | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/oas_medium.png?v=1720000556)
OAS | OAS Outside Air Sensor | EWC Controls
Brand: EWC Controls
SKU: OAS
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![EWC Controls 12X16 ND Rectangular Damper | 12X16 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_a784ae04-6bd8-400e-8340-6a530e2a2fc6_medium.png?v=1720000418)
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/files/nd_2e8a9b03-1169-4b8f-91ed-01be0ade212a_medium.png?v=1720094316)
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/files/nd_42aeada9-3e72-4cdd-8925-f0b4eb4cad26_medium.png?v=1720000508)
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/files/nd_787f3652-6862-4d9e-adfb-3a0bf375accb_medium.png?v=1720000513)
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/files/nd_09c7fc23-ccc7-47aa-b9c7-fedfd1f0c0f2_medium.png?v=1720000447)
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/files/nd_82f281cd-6063-4ff4-bb3c-820737a71475_medium.png?v=1720000463)
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/files/nd_5111e6aa-db96-4180-adea-0c55a47e39e6_medium.png?v=1720000399)
12X8 ND | Rectangular Damper | 12X8 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 12X8 ND
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