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 7 URD-15S 7 URD-15S ROUND MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sm_eb48bfa2-ce0d-40d4-ab85-146203f06ad9_medium.gif?v=1720038861)
7 URD-15S | 7 URD-15S ROUND MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 7 URD-15S
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![EWC Controls 10 URD-SRE120 NO 10 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_7e343a2d-8802-4234-9ab7-f42a462ca84f_medium.gif?v=1720038864)
10 URD-SRE120 NO | 10 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 10 URD-SRE120 NO
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![EWC Controls 6 URD-SRE24 VOLT NO 6 URD-SRE24 24V ROUND SPRING RETURN DAMPER – NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_1f180fd8-b7e8-407e-a496-2c35f8667d01_medium.gif?v=1720038863)
6 URD-SRE24 VOLT NO | 6 URD-SRE24 24V ROUND SPRING RETURN DAMPER – NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 6 URD-SRE24 VOLT NO
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![EWC Controls 12 PRD-RD 12 Inch Round Manual Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/bypass1_dd493878-bd82-4df1-9ae8-213216dccdde_medium.jpg?v=1720000432)
12 PRD-RD | 12 Inch Round Manual Bypass Damper | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 12 PRD-RD
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![EWC Controls 20X24 ND-15S 20X24 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_cb3975f7-642c-40ff-b3c6-e0aab1d0dd96_medium.png?v=1720000393)
20X24 ND-15S | 20X24 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 20X24 ND-15S
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![EWC Controls 18X20 ND-15S 18X20 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_decd2aac-6f4c-4681-b053-e356c0aa6b0e_medium.png?v=1720000375)
18X20 ND-15S | 18X20 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 18X20 ND-15S
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![EWC Controls 20X22 ND-15S 20X22 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_dd02235f-843d-4a04-84a3-c318e3421592_medium.png?v=1720000360)
20X22 ND-15S | 20X22 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 20X22 ND-15S
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![EWC Controls 16X30 ND-15S 16X30 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_56508679-6641-44e1-b8c6-65063ea57382_medium.png?v=1720000361)
16X30 ND-15S | 16X30 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 16X30 ND-15S
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![EWC Controls 18X26 ND-15S 18X26 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_596d8885-cb58-41bf-897e-532ed543fd07_medium.png?v=1720000394)
18X26 ND-15S | 18X26 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 18X26 ND-15S
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![EWC Controls 16X26 ND-15S 16X26 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_79ee8c36-005e-4f08-8161-79bd045dd63b_medium.png?v=1720094289)
16X26 ND-15S | 16X26 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 16X26 ND-15S
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![EWC Controls 18X24 ND-15S 18X24 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_141e800f-7c87-40c5-a53b-5c14df478fe0_medium.png?v=1720000365)
18X24 ND-15S | 18X24 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 18X24 ND-15S
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![EWC Controls 18X22 ND-15S 18X22 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_a9541396-8ee5-4c87-88a2-59958f4c1f83_medium.png?v=1720000341)
18X22 ND-15S | 18X22 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 18X22 ND-15S
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![EWC Controls 16X24 ND-15S 16X24 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_27355c82-5e3b-4e69-b2f8-4ea275385c48_medium.png?v=1720000365)
16X24 ND-15S | 16X24 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 16X24 ND-15S
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![EWC Controls 16X20 ND-15S 16X20 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_241d0563-9d73-4f76-85b0-23d052d945c6_medium.png?v=1720000366)
16X20 ND-15S | 16X20 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 16X20 ND-15S
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![EWC Controls 16X28 ND-15S 16X28 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_5eaa8360-b688-478a-a289-af01015056c9_medium.png?v=1720000340)
16X28 ND-15S | 16X28 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 16X28 ND-15S
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![EWC Controls 14X30 ND-15S 14X30 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_7be7dc19-5604-4ffd-b51b-376837f90c58_medium.png?v=1720000361)
14X30 ND-15S | 14X30 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 14X30 ND-15S
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![EWC Controls 16X18 ND-15S 16X18 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_2e16f908-655b-4e98-9150-ab1745c0c362_medium.png?v=1720000335)
16X18 ND-15S | 16X18 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 16X18 ND-15S
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![EWC Controls 16X22 ND-15S 16X22 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_9df0078d-bf74-494c-afdc-a3458c21514b_medium.png?v=1720094298)
16X22 ND-15S | 16X22 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 16X22 ND-15S
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![EWC Controls 14X28 ND-15S 14X28 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_6e31dd80-0d07-49ed-bd1f-835881f47e3c_medium.png?v=1720000326)
14X28 ND-15S | 14X28 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 14X28 ND-15S
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![EWC Controls 14X20 ND-15S 14X20 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_1528bd3d-14c3-470f-80dc-792f92d99f9e_medium.png?v=1720000335)
14X20 ND-15S | 14X20 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 14X20 ND-15S
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![EWC Controls 14X26 ND-15S 14X26 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_76d15ba7-8dc1-4d6c-b5e5-95a9222ec845_medium.png?v=1720000350)
14X26 ND-15S | 14X26 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 14X26 ND-15S
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![EWC Controls 14X16 ND-15S 14X16 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_787b1ad9-0325-4cb9-9f35-ff5e9338b593_medium.png?v=1720000355)
14X16 ND-15S | 14X16 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 14X16 ND-15S
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![EWC Controls 14X22 ND-15S 14X22 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_90625c98-47c6-44a3-890b-e9c46048df2d_medium.png?v=1720000394)
14X22 ND-15S | 14X22 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 14X22 ND-15S
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![EWC Controls 12X26 ND-15S 12X26 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_2b4943d4-a3cc-44b6-b7d9-8b853edbfac2_medium.png?v=1720000310)
12X26 ND-15S | 12X26 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 12X26 ND-15S
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Brand: Siemens
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Brand: Tekmar
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