dampers
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![EWC Controls 4 URD-SRE24 VOLT N.C. 4 URD-SRE24 24V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_2470d5e0-37e2-45f1-9488-d37ea0f7ab7e_medium.gif?v=1720000522)
4 URD-SRE24 VOLT N.C. | 4 URD-SRE24 24V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 4 URD-SRE24 VOLT N.C.
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![EWC Controls 28X16 ND Rectangular Damper | 28X16 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_f2af94b1-aed1-4e12-bb15-7111c739b799_medium.png?v=1720000521)
28X16 ND | Rectangular Damper | 28X16 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 28X16 ND
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![EWC Controls 26X26 ND-RSD NO Rectangular Damper | 26X26 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_aac516b5-1535-440f-ab36-8b063db0e59c_medium.png?v=1720000521)
26X26 ND-RSD NO | Rectangular Damper | 26X26 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 26X26 ND-RSD NO
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![EWC Controls 28X28 ND Rectangular Damper | 28X28 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_af49b3a8-205c-4be0-9ae1-6df643bf3be8_medium.png?v=1720000521)
28X28 ND | Rectangular Damper | 28X28 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 28X28 ND
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![EWC Controls 28X18 ND Rectangular Damper | 28X18 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_2b98f687-d0ff-4d6d-9e8d-0824269ad644_medium.png?v=1720000521)
28X18 ND | Rectangular Damper | 28X18 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 28X18 ND
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![EWC Controls 26X20 ND Rectangular Damper | 26X20 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_a2eb8b9e-a7b8-4b96-93d3-d5d5e4a1b116_medium.png?v=1720000521)
26X20 ND | Rectangular Damper | 26X20 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 26X20 ND
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![EWC Controls 20X24 ND Rectangular Damper | 20X24 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_2d61e7b8-32cf-43ef-bb58-1f0c4bec38b1_medium.png?v=1720000521)
20X24 ND | Rectangular Damper | 20X24 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 20X24 ND
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![EWC Controls 26X16 ND-RSD NO Rectangular Damper | 26X16 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_ca5e58e3-5d2f-406d-ab5d-0ee33056f3c1_medium.png?v=1720000521)
26X16 ND-RSD NO | Rectangular Damper | 26X16 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 26X16 ND-RSD NO
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![EWC Controls 22X20 ND-RSD NC Rectangular Damper | 22X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_b725e5f7-1be7-4f90-b9a3-e95419d731f1_medium.png?v=1720000516)
22X20 ND-RSD NC | Rectangular Damper | 22X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 22X20 ND-RSD NC
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![EWC Controls 24X6 ND-RSD NC Rectangular Damper | 24X6 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_84d3a1fb-dd88-4894-94f6-8c5db06291e6_medium.png?v=1720000517)
24X6 ND-RSD NC | Rectangular Damper | 24X6 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 24X6 ND-RSD NC
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![EWC Controls 28X28 ND-RSD NO Rectangular Damper | 28X28 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_46683d15-4116-4ae9-918b-e0f935b11374_medium.png?v=1720000516)
28X28 ND-RSD NO | Rectangular Damper | 28X28 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 28X28 ND-RSD NO
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![EWC Controls 26X24 ND Rectangular Damper | 26X24 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_562de919-969d-4edd-8f92-5b887a8cbafd_medium.png?v=1720000517)
26X24 ND | Rectangular Damper | 26X24 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 26X24 ND
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![EWC Controls 4 URD-SRE120 N.C. 4 Inch 120V Round Motorized Spring Return Damper Normally Closed | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_d4487fa4-d23e-4572-bd74-1897aa348b0a_medium.gif?v=1720000513)
4 URD-SRE120 N.C. | 4 Inch 120V Round Motorized Spring Return Damper Normally Closed | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 4 URD-SRE120 N.C.
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![EWC Controls 24X20 ND Rectangular Damper | 24X20 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_2a8cea64-552a-469f-aa55-2ca8ecdec03b_medium.png?v=1720000512)
24X20 ND | Rectangular Damper | 24X20 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 24X20 ND
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![EWC Controls 30X8 ND-RSD NC Rectangular Damper | 30X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_ba142781-6544-47d7-9020-e361d2d79192_medium.png?v=1720000512)
30X8 ND-RSD NC | Rectangular Damper | 30X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 30X8 ND-RSD NC
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![EWC Controls 28X20 ND Rectangular Damper | 28X20 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_9e7b0efe-b16a-473c-a1f7-02a18c9eb3ef_medium.png?v=1720000512)
28X20 ND | Rectangular Damper | 28X20 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 28X20 ND
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![EWC Controls 26X14 ND-RSD NC Rectangular Damper | 26X14 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_91e4b975-2550-4166-8442-f3487d5873c4_medium.png?v=1720000507)
26X14 ND-RSD NC | Rectangular Damper | 26X14 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 26X14 ND-RSD NC
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![EWC Controls 28X24 ND-RSD NC Rectangular Damper | 28X24 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_e47aed7b-b69d-4e12-a739-81b9e4903b1f_medium.png?v=1720000507)
28X24 ND-RSD NC | Rectangular Damper | 28X24 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 28X24 ND-RSD NC
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![EWC Controls 26X8 ND-RSD NC Rectangular Damper | 26X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_12b82b6a-3138-4702-ad07-81eb1c4c256e_medium.png?v=1720000502)
26X8 ND-RSD NC | Rectangular Damper | 26X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 26X8 ND-RSD NC
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![EWC Controls 28X16 ND-RSD NO Rectangular Damper | 28X16 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_42083110-4aba-410b-86d6-543b30ba92d4_medium.png?v=1720000501)
28X16 ND-RSD NO | Rectangular Damper | 28X16 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 28X16 ND-RSD NO
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![EWC Controls 22X12 ND-RSD NO Rectangular Damper | 22X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_8d0da985-48a8-4d21-9389-a2a3dd447eb5_medium.png?v=1720000501)
22X12 ND-RSD NO | Rectangular Damper | 22X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 22X12 ND-RSD NO
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![EWC Controls 28X14 ND Rectangular Damper | 28X14 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_0fec525d-400b-4f04-9eef-772f1d00beba_medium.png?v=1720000501)
28X14 ND | Rectangular Damper | 28X14 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 28X14 ND
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![EWC Controls 30X26 ND-RSD NO Rectangular Damper | 30X26 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_6707878c-b50b-41ed-b4b5-8459475fb509_medium.png?v=1720000501)
30X26 ND-RSD NO | Rectangular Damper | 30X26 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 30X26 ND-RSD NO
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![EWC Controls 22X8 ND-RSD NO Rectangular Damper | 22X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_438209d2-a48b-4901-95d4-bce40ad087fe_medium.png?v=1720000501)
22X8 ND-RSD NO | Rectangular Damper | 22X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 22X8 ND-RSD NO
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