Ewc 8 Size (in)
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 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 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_97241deb-2e62-4bb6-aea9-d285acdb576f_medium.gif?v=1720000571)
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_d453d674-d428-461c-aa3b-8cd8c94a73f6_medium.png?v=1720000527)
8 RSD | 8 Inch Round Motorized Spring Return Damper | EWC Controls
Brand: EWC Controls
SKU: 8 RSD
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![EWC Controls 8 CLBD 8 CLBD CONSTANT LOAD BY-PASS DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/clbd_medium.png?v=1720000552)
8 CLBD | 8 CLBD CONSTANT LOAD BY-PASS DAMPER | EWC Controls
Brand: EWC Controls
SKU: 8 CLBD
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![EWC Controls 8 SID 8 Inch Slip In Retrofit Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/sid1_f68f5b30-4845-44c0-bf6b-abad379f6ea1_medium.gif?v=1719987519)
8 SID | 8 Inch Slip In Retrofit Damper | EWC Controls
Brand: EWC Controls
SKU: 8 SID
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![EWC Controls 8 EBD 8 Inch Round Electronic Static Pressure Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/ebd-round_aba85e5b-4961-422e-be3c-7288b272c643_medium.gif?v=1720000551)
8 EBD | 8 Inch Round Electronic Static Pressure Bypass Damper | EWC Controls
Brand: EWC Controls
SKU: 8 EBD
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![EWC Controls 8 SID-15S 8 SID SLIP IN MA-15S DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/sid1_4f1dc4aa-8fbc-4b92-aff4-27e16fb961bb_medium.gif?v=1720038868)
8 SID-15S | 8 SID SLIP IN MA-15S DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 8 SID-15S
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![EWC Controls 8 URD-15S 8 URD-15S ROUND MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sm_cbfc54a4-0570-481a-8206-881895e38edf_medium.gif?v=1720038859)
8 URD-15S | 8 URD-15S ROUND MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 8 URD-15S
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![EWC Controls 8 URD-SRE120 NO 8 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_e6c56369-6633-4676-8067-990205684685_medium.gif?v=1720038863)
8 URD-SRE120 NO | 8 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 8 URD-SRE120 NO
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![EWC Controls 8 URD-SRE120 NC 8 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_b839a804-3264-4aa5-8405-78eacdc616be_medium.gif?v=1720038861)
8 URD-SRE120 NC | 8 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 8 URD-SRE120 NC
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![EWC Controls 8 PRD-RD 8 Inch Round Manual Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/bypass1_9f0f4efa-ad1b-48c6-bfd9-1ba5630f5f60_medium.jpg?v=1720000541)
8 PRD-RD | 8 Inch Round Manual Bypass Damper | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 8 PRD-RD
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![EWC Controls 8 URD-SRE120 N.O. 8 Inch 120V Round Motorized Spring Return Damper Normally Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_9500552e-5ec4-4abf-92e0-8a8b675b4a40_medium.gif?v=1720000556)
8 URD-SRE120 N.O. | 8 Inch 120V Round Motorized Spring Return Damper Normally Open | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 8 URD-SRE120 N.O.
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