Rectangular dampers Yes Motorized
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![EWC Controls 12X16 ND-RSD NC Rectangular Damper | 12X16 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_c7e51a05-fb89-4512-a21f-4bd74e1e56db_medium.png?v=1720000432)
12X16 ND-RSD NC | Rectangular Damper | 12X16 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 12X16 ND-RSD NC
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![EWC Controls 12X10 ND-RSD NO Rectangular Damper | 12X10 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_2668a764-cce8-44a6-b5b1-c1c7f9fc1a7e_medium.png?v=1720000428)
12X10 ND-RSD NO | Rectangular Damper | 12X10 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 12X10 ND-RSD NO
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![EWC Controls 12X24 ND-RSD NO Rectangular Damper | 12X24 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_d31bbfab-408b-411f-b3f2-ada122d61955_medium.png?v=1720000413)
12X24 ND-RSD NO | Rectangular Damper | 12X24 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 12X24 ND-RSD NO
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![EWC Controls 12X18 ND Rectangular Damper | 12X18 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_4d07cbfb-b6a3-4244-83aa-53faf4398f70_medium.png?v=1720000408)
12X18 ND | Rectangular Damper | 12X18 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 12X18 ND
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![EWC Controls 10X10 ND-RSD NC Rectangular Damper | 10X10 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_7dfb40a6-46bc-4ce4-a3f2-dc7019f667be_medium.png?v=1720000371)
10X10 ND-RSD NC | Rectangular Damper | 10X10 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 10X10 ND-RSD NC
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![iO HVAC Controls TD-1208 Trane 12 x 08 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-TDXXXX_070aafe5-962b-49fa-8ee6-0eb9a34aca37_medium.jpg?v=1719992522)
TD-1208 | Trane 12 x 08 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TD-1208
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![iO HVAC Controls RM-2222 Rheem 22 x 22 Rectangular Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RheemRectangular_9882ae9a-0372-4ec1-ac1b-8dd3ca0382a3_medium.jpg?v=1719992450)
RM-2222 | Rheem 22 x 22 Rectangular Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-2222
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![Braeburn 111408 Rectangular Damper | 14x8 MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PC_SR-Rectangular_e5ccbcfd-ae58-408a-9870-e3adc49f1068_medium.jpg?v=1720004994)
111408 | Rectangular Damper | 14x8 MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Braeburn
Brand: Braeburn
SKU: 111408
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![Braeburn 111212 Rectangular Damper | 12x12 MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PC_SR-Rectangular_d02345d9-c745-4b86-ae04-78b0a57c1502_medium.jpg?v=1720004954)
111212 | Rectangular Damper | 12x12 MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Braeburn
Brand: Braeburn
SKU: 111212
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![Braeburn 101212 Rectangular Damper | 12 x 12 MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PO_PC-Rectangular_cf22704a-d7b8-42cd-9459-8bef208cfe92_medium.jpg?v=1720004954)
101212 | Rectangular Damper | 12 x 12 MOTORIZED DAMPER | Braeburn
Brand: Braeburn
SKU: 101212
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![Braeburn 101812 Rectangular Damper | 18 x 12 MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PO_PC-Rectangular_2483bdd4-8e38-4a0b-b255-7ad0a1bb3d72_medium.jpg?v=1720005020)
101812 | Rectangular Damper | 18 x 12 MOTORIZED DAMPER | Braeburn
Brand: Braeburn
SKU: 101812
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![Braeburn 101816 Rectangular Damper | 18 x 16 MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PO_PC-Rectangular_25742367-171a-44f9-8c6e-df382eb5536e_medium.jpg?v=1720005111)
101816 | Rectangular Damper | 18 x 16 MOTORIZED DAMPER | Braeburn
Brand: Braeburn
SKU: 101816
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![EWC Controls 30X24 ND Rectangular Damper | 30X24 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_10b423fb-d68c-4f1e-883e-efca5b8dff4a_medium.png?v=1720000561)
30X24 ND | Rectangular Damper | 30X24 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 30X24 ND
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![EWC Controls 30X16 ND Rectangular Damper | 30X16 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_ec09cdd1-ccc3-45d5-805c-44cd5c3cce37_medium.png?v=1720000551)
30X16 ND | Rectangular Damper | 30X16 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 30X16 ND
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![EWC Controls 8X16 ND-RSD NC Rectangular Damper | 8X16 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_cd60a649-355f-40ca-958f-68db5ff647cf_medium.png?v=1720000546)
8X16 ND-RSD NC | Rectangular Damper | 8X16 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 8X16 ND-RSD NC
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![EWC Controls 8X30 ND Rectangular Damper | 8X30 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_2471b802-86ed-438c-bbb6-5c43c2831602_medium.png?v=1720000542)
8X30 ND | Rectangular Damper | 8X30 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 8X30 ND
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![EWC Controls 30X20 ND-RSD NC Rectangular Damper | 30X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_a47dc084-de94-4aed-abb0-bb0e0a256705_medium.png?v=1720000527)
30X20 ND-RSD NC | Rectangular Damper | 30X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 30X20 ND-RSD NC
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![EWC Controls 30X30 ND-RSD NO Rectangular Damper | 30X30 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_7d00116b-82c6-46e5-ad10-023e17b77e6f_medium.png?v=1720000517)
30X30 ND-RSD NO | Rectangular Damper | 30X30 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 30X30 ND-RSD NO
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![EWC Controls 30X24 ND-RSD NO Rectangular Damper | 30X24 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_7655577a-94c4-4c0c-8a5a-94b502edbf6b_medium.png?v=1720000518)
30X24 ND-RSD NO | Rectangular Damper | 30X24 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 30X24 ND-RSD NO
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![EWC Controls 24X6 ND Rectangular Damper | 24X6 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_928bd869-f7f4-4f46-991f-1c01aa9484e1_medium.png?v=1720000517)
24X6 ND | Rectangular Damper | 24X6 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 24X6 ND
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![EWC Controls 30X6 ND Rectangular Damper | 30X6 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_b8fd9fb4-c67b-41bf-bee2-6975b6f0da4e_medium.png?v=1720000513)
30X6 ND | Rectangular Damper | 30X6 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 30X6 ND
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![EWC Controls 24X18 ND Rectangular Damper | 24X18 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_092f7276-9dbb-4c2d-adf7-63152e2b68df_medium.png?v=1720000512)
24X18 ND | Rectangular Damper | 24X18 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 24X18 ND
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![EWC Controls 24X8 ND Rectangular Damper | 24X8 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_73118aee-cb94-4f8f-a174-91c0b9bcf26b_medium.png?v=1720000496)
24X8 ND | Rectangular Damper | 24X8 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 24X8 ND
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![EWC Controls 24X14 ND Rectangular Damper | 24X14 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_cc452c48-e916-4cba-acb7-5fa45c9b9269_medium.png?v=1720000496)
24X14 ND | Rectangular Damper | 24X14 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 24X14 ND
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