Rectangular dampers Yes Motorized
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![EWC Controls 22X10 ND-RSD NC Rectangular Damper | 22X10 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_c20c51d9-4c00-42d5-9373-7f60e18a8826_medium.png?v=1720000492)
22X10 ND-RSD NC | Rectangular Damper | 22X10 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 22X10 ND-RSD NC
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![EWC Controls 24X12 ND-RSD NC Rectangular Damper | 24X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_12f8adcd-45a6-4574-a02c-f3730c575c1d_medium.png?v=1720000473)
24X12 ND-RSD NC | Rectangular Damper | 24X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 24X12 ND-RSD NC
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![EWC Controls 20X14 ND Rectangular Damper | 20X14 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_c83a4e39-0733-48f4-b0ba-228f4ce938d0_medium.png?v=1720000463)
20X14 ND | Rectangular Damper | 20X14 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 20X14 ND
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![EWC Controls 20X14 ND-RSD NO Rectangular Damper | 20X14 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_f01fc4de-2483-4245-90b1-634c896b7fd8_medium.png?v=1720000468)
20X14 ND-RSD NO | Rectangular Damper | 20X14 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 20X14 ND-RSD NO
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![EWC Controls 14X14 ND Rectangular Damper | 14X14 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_7d53f3f3-155f-41b4-ac53-3f97395f4adb_medium.png?v=1720000448)
14X14 ND | Rectangular Damper | 14X14 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 14X14 ND
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![EWC Controls 12X20 ND-RSD NO Rectangular Damper | 12X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_1fc05231-2c3b-4f8c-8468-23f693639b27_medium.png?v=1720000433)
12X20 ND-RSD NO | Rectangular Damper | 12X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 12X20 ND-RSD NO
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![EWC Controls 14X14 ND-RSD NC Rectangular Damper | 14X14 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_0f00f23e-144c-40de-aceb-63b2c2820aeb_medium.png?v=1720000432)
14X14 ND-RSD NC | Rectangular Damper | 14X14 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 14X14 ND-RSD NC
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![EWC Controls 16X20 ND-RSD NO Rectangular Damper | 16X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_9c86dc2b-5d68-4105-89a0-8e3d2cee85b2_medium.png?v=1720000428)
16X20 ND-RSD NO | Rectangular Damper | 16X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 16X20 ND-RSD NO
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![EWC Controls 16X20 ND-RSD NC Rectangular Damper | 16X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_d57493af-7a8d-4a99-b40e-3b21dd539540_medium.png?v=1720000428)
16X20 ND-RSD NC | Rectangular Damper | 16X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 16X20 ND-RSD NC
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![EWC Controls 12X6 ND-RSD NO Rectangular Damper | 12X6 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_01a7f190-cae7-4313-8e8d-673d42cbf06e_medium.png?v=1720000423)
12X6 ND-RSD NO | Rectangular Damper | 12X6 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 12X6 ND-RSD NO
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![EWC Controls 12X10 ND Rectangular Damper | 12X10 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_ae8e5569-78cb-4ff5-b9ba-0b0392fa0e73_medium.png?v=1720000424)
12X10 ND | Rectangular Damper | 12X10 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 12X10 ND
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![EWC Controls 14X20 ND-RSD NC Rectangular Damper | 14X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_b8ffafe2-7fef-418d-a7fb-57b0796cdccf_medium.png?v=1720000414)
14X20 ND-RSD NC | Rectangular Damper | 14X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 14X20 ND-RSD NC
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![EWC Controls 10X22 ND Rectangular Damper | 10X22 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_6d3d2f87-d0fd-4b8b-9565-6b27960f92ac_medium.png?v=1720000403)
10X22 ND | Rectangular Damper | 10X22 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 10X22 ND
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![EWC Controls 12X20 ND Rectangular Damper | 12X20 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_93b28d2b-25ae-4785-8c61-5738c3e6340b_medium.png?v=1720000403)
12X20 ND | Rectangular Damper | 12X20 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 12X20 ND
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![EWC Controls 10X12 ND-RSD NC Rectangular Damper | 10X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_379d6605-c8ff-4cef-b3e7-27afb95847b2_medium.png?v=1720094298)
10X12 ND-RSD NC | Rectangular Damper | 10X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 10X12 ND-RSD NC
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![iO HVAC Controls RM-1206-BM Rheem 12 x 06 Rectangular bottom mount Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RheemRectangular_3ad370cc-0d67-4886-a0f6-e75a397ccb43_medium.jpg?v=1719992473)
RM-1206-BM | Rheem 12 x 06 Rectangular bottom mount Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-1206-BM
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RM-1410 | Rheem 14 x 10 Rectangular Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-1410
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![iO HVAC Controls RM-1408 Rheem 14 x 08 Rectangular Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RheemRectangular_3fd0b950-9185-4992-807a-ac7d646e0817_medium.jpg?v=1719992376)
RM-1408 | Rheem 14 x 08 Rectangular Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-1408
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![iO HVAC Controls CD-1608-BM Carrier 16 x 08 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_b62cc35e-4fb4-45c2-8c68-04088eeb4864_medium.jpg?v=1719992126)
CD-1608-BM | Carrier 16 x 08 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-1608-BM
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![EWC Controls 8X24 ND Rectangular Damper | 8X24 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_a6f5b9bf-0a42-4121-9e2b-379b38859642_medium.png?v=1719987550)
8X24 ND | Rectangular Damper | 8X24 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 8X24 ND
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![EWC Controls 30X18 ND-RSD NC Rectangular Damper | 30X18 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_abcd1e21-f744-40ec-bc6b-e0627311abc4_medium.png?v=1719987495)
30X18 ND-RSD NC | Rectangular Damper | 30X18 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 30X18 ND-RSD NC
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![Braeburn 102008 Rectangular Damper | 20 x 8 MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PO_PC-Rectangular_4f2b1ea0-361d-4a9b-8e16-48faf4263f76_medium.jpg?v=1720004964)
102008 | Rectangular Damper | 20 x 8 MOTORIZED DAMPER | Braeburn
Brand: Braeburn
SKU: 102008
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![Braeburn 101412 Rectangular Damper | 14 x 12 MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PO_PC-Rectangular_7e721e2b-b78e-4367-a252-8a239989d6d0_medium.jpg?v=1720004984)
101412 | Rectangular Damper | 14 x 12 MOTORIZED DAMPER | Braeburn
Brand: Braeburn
SKU: 101412
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![Braeburn 112410 Rectangular Damper | 24x10 MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PC_SR-Rectangular_a74908ed-4b91-4eb0-acf2-e7606fa552ee_medium.jpg?v=1720004959)
112410 | Rectangular Damper | 24x10 MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Braeburn
Brand: Braeburn
SKU: 112410
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