Rectangular motorized dampers Rectangular Shape
Over 1,500 rectangular motorized duct dampers by Braeburn, Honeywell, iO HVAC Controls, and EWC Controls in our stock are available to purchase.
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![EWC Controls 26X14 ND-RSD NO Rectangular Damper | 26X14 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_bda85cd4-a335-4a5e-8537-90fbf7d63883_medium.png?v=1713902427)
26X14 ND-RSD NO | Rectangular Damper | 26X14 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 26X14 ND-RSD NO
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![EWC Controls 26X12 ND-RSD NO Rectangular Damper | 26X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_8263bfd9-305a-4f5f-bbe0-c0d13ba27edd_medium.png?v=1713902423)
26X12 ND-RSD NO | Rectangular Damper | 26X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 26X12 ND-RSD NO
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![EWC Controls 26X10 ND-RSD NO Rectangular Damper | 26X10 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_a50da658-d680-432b-85c4-004b5172b405_medium.png?v=1713902466)
26X10 ND-RSD NO | Rectangular Damper | 26X10 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 26X10 ND-RSD NO
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![EWC Controls 26X6 ND-RSD NO Rectangular Damper | 26X6 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_4c8e9277-1523-47b8-8667-c49886b2897c_medium.png?v=1713902476)
26X6 ND-RSD NO | Rectangular Damper | 26X6 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 26X6 ND-RSD NO
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![EWC Controls 24X24 ND-RSD NO Rectangular Damper | 24X24 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_0ef4acd9-ea6c-4f09-9650-e332857cbeb7_medium.png?v=1713902437)
24X24 ND-RSD NO | Rectangular Damper | 24X24 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 24X24 ND-RSD NO
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![EWC Controls 24X20 ND-RSD NO Rectangular Damper | 24X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_f7f1381c-ac64-4e3b-92b4-3d8704a4cddd_medium.png?v=1713902442)
24X20 ND-RSD NO | Rectangular Damper | 24X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 24X20 ND-RSD NO
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![EWC Controls 24X18 ND-RSD NO Rectangular Damper | 24X18 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_0a1b1773-4aab-4a7f-80ab-5b87123c9df5_medium.png?v=1713902470)
24X18 ND-RSD NO | Rectangular Damper | 24X18 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 24X18 ND-RSD NO
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![EWC Controls 24X12 ND-RSD NO Rectangular Damper | 24X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_ac2e4629-ead3-4743-9393-7dd36d9df140_medium.png?v=1713902470)
24X12 ND-RSD NO | Rectangular Damper | 24X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 24X12 ND-RSD NO
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![EWC Controls 24X10 ND-RSD NO Rectangular Damper | 24X10 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_dae2e07f-0640-4162-bdf1-34cbc876a698_medium.png?v=1713902539)
24X10 ND-RSD NO | Rectangular Damper | 24X10 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 24X10 ND-RSD NO
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![EWC Controls 24X6 ND-RSD NO Rectangular Damper | 24X6 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_7aa0e40b-ea07-42f4-867e-6b027aae0080_medium.png?v=1713902428)
24X6 ND-RSD NO | Rectangular Damper | 24X6 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 24X6 ND-RSD NO
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![EWC Controls 22X22 ND-RSD NO Rectangular Damper | 22X22 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_0ee1eed8-bb5d-4229-ac44-763a29c2932d_medium.png?v=1713902423)
22X22 ND-RSD NO | Rectangular Damper | 22X22 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 22X22 ND-RSD NO
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![EWC Controls 22X18 ND-RSD NO Rectangular Damper | 22X18 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_a55881c0-1639-40f5-b72c-e4dfd3e040a2_medium.png?v=1713902404)
22X18 ND-RSD NO | Rectangular Damper | 22X18 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 22X18 ND-RSD NO
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![EWC Controls 22X16 ND-RSD NO Rectangular Damper | 22X16 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_e64a7c66-a895-4d53-a1f0-069ff4d00531_medium.png?v=1713902438)
22X16 ND-RSD NO | Rectangular Damper | 22X16 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 22X16 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_a63b4fc5-e203-4818-a5e9-bdc92df35544_medium.png?v=1713902465)
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 22X10 ND-RSD NO Rectangular Damper | 22X10 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_c0b088d4-f573-47b5-b0d6-2c924416876c_medium.png?v=1713902423)
22X10 ND-RSD NO | Rectangular Damper | 22X10 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 22X10 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_02d85286-2003-4928-bd21-8f7ca5f39818_medium.png?v=1713902451)
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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![EWC Controls 22X6 ND-RSD NO Rectangular Damper | 22X6 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_10511b1c-fb9f-4f57-add4-6d4be3b77e3b_medium.png?v=1713902432)
22X6 ND-RSD NO | Rectangular Damper | 22X6 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 22X6 ND-RSD NO
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![EWC Controls 20X18 ND-RSD NO Rectangular Damper | 20X18 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_e2591357-18e2-4a5c-b563-e650c229a42f_medium.png?v=1713902536)
20X18 ND-RSD NO | Rectangular Damper | 20X18 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 20X18 ND-RSD NO
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![EWC Controls 20X16 ND-RSD NO Rectangular Damper | 20X16 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_4935a947-9dea-4825-bb9a-72475bd3bebf_medium.png?v=1713902438)
20X16 ND-RSD NO | Rectangular Damper | 20X16 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 20X16 ND-RSD NO
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![EWC Controls 20X10 ND-RSD NO Rectangular Damper | 20X10 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_6be87ad3-83c8-4ba8-b9f0-c917a5c226d1_medium.png?v=1713902402)
20X10 ND-RSD NO | Rectangular Damper | 20X10 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 20X10 ND-RSD NO
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![EWC Controls 20X6 ND-RSD NO Rectangular Damper | 20X6 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_83c8bc72-5977-4e39-84a1-e4589d766aad_medium.png?v=1713902427)
20X6 ND-RSD NO | Rectangular Damper | 20X6 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 20X6 ND-RSD NO
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![EWC Controls 18X18 ND-RSD NO Rectangular Damper | 18X18 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_f183fb00-bea7-4ca6-9bfe-44e5337f42e2_medium.png?v=1713902404)
18X18 ND-RSD NO | Rectangular Damper | 18X18 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 18X18 ND-RSD NO
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![EWC Controls 18X16 ND-RSD NO Rectangular Damper | 18X16 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_7145f36c-f9e9-41de-a25f-7914166d4abf_medium.png?v=1713902396)
18X16 ND-RSD NO | Rectangular Damper | 18X16 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 18X16 ND-RSD NO
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![EWC Controls 18X14 ND-RSD NO Rectangular Damper | 18X14 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_0912a8c6-cde5-4777-b2bd-55d6fcd8163e_medium.png?v=1713902427)
18X14 ND-RSD NO | Rectangular Damper | 18X14 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 18X14 ND-RSD NO
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