Rectangular dampers Rectangular dampers Type
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![EWC Controls 12X26 ND-RSD NC Rectangular Damper | 12X26 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_b19ce48d-23e7-4e24-9b4e-58d28f71422e_medium.png?v=1720000436)
12X26 ND-RSD NC | Rectangular Damper | 12X26 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 12X26 ND-RSD NC
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![EWC Controls 16X18 ND Rectangular Damper | 16X18 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_4c2e79fd-1294-4770-9172-ff6c02c1d7c7_medium.png?v=1720000432)
16X18 ND | Rectangular Damper | 16X18 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 16X18 ND
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![EWC Controls 14X20 ND Rectangular Damper | 14X20 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_74eeb562-28b4-480a-b179-2188761175b4_medium.png?v=1720000428)
14X20 ND | Rectangular Damper | 14X20 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 14X20 ND
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![EWC Controls 14X22 ND Rectangular Damper | 14X22 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_4340c020-03ce-4a5d-8fbf-7344da822070_medium.png?v=1720000428)
14X22 ND | Rectangular Damper | 14X22 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 14X22 ND
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![EWC Controls 14X20 ND-RSD NO Rectangular Damper | 14X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_44575164-6fe7-4cc4-be81-ac324407c15e_medium.png?v=1720000423)
14X20 ND-RSD NO | Rectangular Damper | 14X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 14X20 ND-RSD NO
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![EWC Controls 12X30 ND-RSD NO Rectangular Damper | 12X30 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_26b5c603-642a-4138-b7f7-34558abd7d47_medium.png?v=1720000423)
12X30 ND-RSD NO | Rectangular Damper | 12X30 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 12X30 ND-RSD NO
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![EWC Controls 12X26 ND Rectangular Damper | 12X26 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_4f461801-fdd4-4612-befc-d12b73cc93b8_medium.png?v=1720000423)
12X26 ND | Rectangular Damper | 12X26 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 12X26 ND
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![EWC Controls 14X28 ND Rectangular Damper | 14X28 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_49f11292-5f46-4231-a265-633c870f9a62_medium.png?v=1720000423)
14X28 ND | Rectangular Damper | 14X28 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 14X28 ND
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![EWC Controls 10X24 ND-RSD NO Rectangular Damper | 10X24 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_8f76bcae-6401-412c-bc55-12dfb291972b_medium.png?v=1720000422)
10X24 ND-RSD NO | Rectangular Damper | 10X24 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 10X24 ND-RSD NO
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![EWC Controls 12X8 ND-RSD NO Rectangular Damper | 12X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_fe092832-a16b-4c5b-b1f2-e538b9743c65_medium.png?v=1720000418)
12X8 ND-RSD NO | Rectangular Damper | 12X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 12X8 ND-RSD NO
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![EWC Controls 10X30 ND Rectangular Damper | 10X30 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_a87135a0-d290-4349-9d75-74599963ba87_medium.png?v=1720000409)
10X30 ND | Rectangular Damper | 10X30 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 10X30 ND
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![EWC Controls 12X14 ND-RSD NC Rectangular Damper | 12X14 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_b257ec5a-8448-4d5f-b0b5-22ba49eee599_medium.png?v=1720000408)
12X14 ND-RSD NC | Rectangular Damper | 12X14 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 12X14 ND-RSD NC
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![EWC Controls 10X28 ND Rectangular Damper | 10X28 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_c8f52e51-bcf6-4437-b5d2-1c0279436443_medium.png?v=1720094302)
10X28 ND | Rectangular Damper | 10X28 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 10X28 ND
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![EWC Controls 10X18 ND-RSD NO Rectangular Damper | 10X18 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_027e1626-b5b7-4bb8-9b03-abdd93a3c285_medium.png?v=1720094298)
10X18 ND-RSD NO | Rectangular Damper | 10X18 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 10X18 ND-RSD NO
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![EWC Controls 10X22 ND-RSD NO Rectangular Damper | 10X22 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_393f68fa-9807-48db-b00d-6032b1ec4a8f_medium.png?v=1720000375)
10X22 ND-RSD NO | Rectangular Damper | 10X22 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 10X22 ND-RSD NO
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![EWC Controls 10X24 ND Rectangular Damper | 10X24 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_622b9c3b-33bf-423d-b59c-f5f82a28a249_medium.png?v=1720000365)
10X24 ND | Rectangular Damper | 10X24 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 10X24 ND
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![iO HVAC Controls TD-2418-BM Trane 24 x 18 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-TDXXXX_cda89a8d-4d3c-4f24-bc44-0b56ac6798c9_medium.jpg?v=1719992569)
TD-2418-BM | Trane 24 x 18 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TD-2418-BM
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![iO HVAC Controls TD-3008 Trane 30 x 08 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-TDXXXX_449d672c-90d2-457c-8c8d-bd789573a149_medium.jpg?v=1719992568)
TD-3008 | Trane 30 x 08 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TD-3008
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![iO HVAC Controls TD-3008-BM Trane 30 x 08 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-TDXXXX_0582787e-d63d-419f-bf35-a91c5566df9c_medium.jpg?v=1719992564)
TD-3008-BM | Trane 30 x 08 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TD-3008-BM
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![iO HVAC Controls TD-2818 Trane 28 x 18 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-TDXXXX_c16af9bf-9673-443b-9b79-ff478bdfd814_medium.jpg?v=1719992563)
TD-2818 | Trane 28 x 18 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TD-2818
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![iO HVAC Controls TD-2214 Trane 22 x 14 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-TDXXXX_0d11b5c4-699e-46f4-9ce3-e12ebfe958e6_medium.jpg?v=1719992563)
TD-2214 | Trane 22 x 14 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TD-2214
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![iO HVAC Controls TD-2810-BM Trane 28 x 10 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-TDXXXX_f32ccf0e-272b-4197-a39a-3131f8e7f8a2_medium.jpg?v=1719992558)
TD-2810-BM | Trane 28 x 10 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TD-2810-BM
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![iO HVAC Controls TD-3010-BM Trane 30 x 10 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-TDXXXX_e0b33279-cb7a-4aee-9a91-198254e5b507_medium.jpg?v=1719992549)
TD-3010-BM | Trane 30 x 10 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TD-3010-BM
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![iO HVAC Controls TD-2410-BM Trane 24 x 10 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-TDXXXX_03d71462-745e-465b-90b9-33ee7d6b846e_medium.jpg?v=1719992544)
TD-2410-BM | Trane 24 x 10 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TD-2410-BM
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