Dampers Spring return (nc) Spring return
From rectangular to motorized dampers, from bypass dampers to zoning panels: we’ve got it all! Find what you are looking for in our stock of over 2,000 products.
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![iO HVAC Controls MBD-07 iO HVAC Controls Manual Balancing Damper 7 Round with locking quad | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/MBD-07_medium.jpg?v=1708912617)
MBD-07 | iO HVAC Controls Manual Balancing Damper 7 Round with locking quad | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-07
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![iO HVAC Controls HD-3022-PO 30 x 22 Rectangular Two-Position Zone Damper - Powered Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_9e8133de-2df4-42c4-8f48-4612af08f445_medium.jpg?v=1715804953)
HD-3022-PO | 30 x 22 Rectangular Two-Position Zone Damper - Powered Open | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-3022-PO
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![iO HVAC Controls HD-3020-PO 30 x 20 Two-Position Zone Damper Powered Open/Spring Closed | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_351ff66a-e62e-4851-af57-a6cda58433f6_medium.jpg?v=1715804961)
HD-3020-PO | 30 x 20 Two-Position Zone Damper Powered Open / Spring Closed | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-3020-PO
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![iO HVAC Controls HD-3012-PO 30 x 12 Two-Position Zone Damper - Powered Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_cf4541fb-1e6b-401c-b922-6346334c6925_medium.jpg?v=1715804954)
HD-3012-PO | 30 x 12 Two-Position Zone Damper - Powered Open | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-3012-PO
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![iO HVAC Controls HD-2420-PO 24 x 20 Heavy-Duty Zone Damper - Powered Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_47ccc16d-7f17-4e11-a1ec-231f7e15b0d2_medium.jpg?v=1715804935)
HD-2420-PO | 24 x 20 Heavy-Duty Zone Damper - Powered Open | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2420-PO
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![iO HVAC Controls HD-2410-PO 24 x 10 Heavy-Duty Zone Damper - Powered Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_8975d159-fcfe-4f1d-a464-fc79b85f5697_medium.jpg?v=1715804893)
HD-2410-PO | 24 x 10 Heavy-Duty Zone Damper - Powered Open | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2410-PO
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![iO HVAC Controls HD-2408-PO 24 x 08 Two-Position Zone Damper - Powered Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_9790c37b-34d5-4711-b83e-bf49113d6637_medium.jpg?v=1715804912)
HD-2408-PO | 24 x 08 Two-Position Zone Damper - Powered Open | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2408-PO
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![iO HVAC Controls HD-2220-PO 22 x 20 Two-Position Zone Damper - Powered Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_8484f1ef-171d-4ab0-b853-311b64c567f8_medium.jpg?v=1715804854)
HD-2220-PO | 22 x 20 Two-Position Zone Damper - Powered Open | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2220-PO
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![iO HVAC Controls HD-2020-PO 20 x 20 Two-Position Zone Damper - Powered Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_c3cfd274-78a1-4733-904b-8864943e654c_medium.jpg?v=1715804884)
HD-2020-PO | 20 x 20 Two-Position Zone Damper - Powered Open | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2020-PO
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![iO HVAC Controls HD-2016-PO 20 x 16 Two-Position Zone Damper - Powered Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_a18264b9-18b1-4aa1-8110-057c7799541e_medium.jpg?v=1715804944)
HD-2016-PO | 20 x 16 Two-Position Zone Damper - Powered Open | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2016-PO
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![iO HVAC Controls HD-2012-PO 20 x 12 Two-Position Zone Damper - Powered Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_fae8f57c-214d-42c6-8880-cc34c459ca06_medium.jpg?v=1715804854)
HD-2012-PO | 20 x 12 Two-Position Zone Damper - Powered Open | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2012-PO
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![iO HVAC Controls HD-2008-PO 20 x 08 Two-Position Zone Damper - Powered Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_f85fd7af-3c6b-4001-b6f0-1d680029c5c5_medium.jpg?v=1715804917)
HD-2008-PO | 20 x 08 Two-Position Zone Damper - Powered Open | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2008-PO
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![iO HVAC Controls HD-1818-PO 18 x 18 Two-Position Zone Damper - Powered Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_e17c869f-f949-4f05-9451-e939761da66d_medium.jpg?v=1715804913)
HD-1818-PO | 18 x 18 Two-Position Zone Damper - Powered Open | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1818-PO
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![iO HVAC Controls HD-1814-PO 18 x 14 Rectangular Two-Position Zone Damper - 2 Wire Actuator HD-1814-PO | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_d17ca65f-cfe6-477e-81f9-b8fe7697cae6_medium.jpg?v=1715804912)
HD-1814-PO | 18 x 14 Rectangular Two-Position Zone Damper - 2 Wire Actuator HD-1814-PO | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1814-PO
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![iO HVAC Controls HD-1812-PO 18 x 12 Rectangular Two-Position Zone Damper - 2 Wire Actuator HD-1812-PO | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_76b9db42-66fd-4224-b2b6-461f32f7d049_medium.jpg?v=1715804925)
HD-1812-PO | 18 x 12 Rectangular Two-Position Zone Damper - 2 Wire Actuator HD-1812-PO | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1812-PO
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![iO HVAC Controls HD-1808-PO 18 x 8 Two-Position Zone Damper - Powered Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_2a05dc84-181a-462a-b2a6-3fcdf5ba6696_medium.jpg?v=1715804844)
HD-1808-PO | 18 x 8 Two-Position Zone Damper - Powered Open | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1808-PO
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![iO HVAC Controls HD-1806-PO 18 x 06 Rectangular Two-Position Zone Damper - Powered Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_b73b3667-198c-43e0-94fe-d7beadfbb4b8_medium.jpg?v=1715804917)
HD-1806-PO | 18 x 06 Rectangular Two-Position Zone Damper - Powered Open | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1806-PO
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![iO HVAC Controls HD-1614-PO 16 x 14 Two-Position Zone Damper - Powered Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_73bb6fad-6f25-4109-b254-751d87ae8c8e_medium.jpg?v=1715804916)
HD-1614-PO | 16 x 14 Two-Position Zone Damper - Powered Open | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1614-PO
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![iO HVAC Controls HD-1612-PO 16 x 12 Two-Position Zone Damper - Powered Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_499ef30b-3a7e-4fa2-b152-94258543d834_medium.jpg?v=1715804874)
HD-1612-PO | 16 x 12 Two-Position Zone Damper - Powered Open | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1612-PO
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![iO HVAC Controls HD-1414-PO 14 x 14 Two-Position Zone Damper - Powered Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_764e9ca5-f8b0-4647-935e-3302a74245be_medium.jpg?v=1715804948)
HD-1414-PO | 14 x 14 Two-Position Zone Damper - Powered Open | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1414-PO
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![iO HVAC Controls HD-1412-PO 14 x 12 Two-Position Zone Damper - Powered Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_85f2e863-dcaf-4507-a9ca-45a4db502687_medium.jpg?v=1715804907)
HD-1412-PO | 14 x 12 Two-Position Zone Damper - Powered Open | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1412-PO
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![iO HVAC Controls HD-1410-PO 14 x 10 Two-Position Zone Damper - Powered Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_a29bdf7f-4c79-440d-be01-dd9d215848d3_medium.jpg?v=1715804939)
HD-1410-PO | 14 x 10 Two-Position Zone Damper - Powered Open | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1410-PO
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![iO HVAC Controls HD-1406-PO 14 x 06 Two-Position Zone Damper - Powered Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_95d44280-ca38-4c82-a9fb-64b7e8e84d88_medium.jpg?v=1715804897)
HD-1406-PO | 14 x 06 Two-Position Zone Damper - Powered Open | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1406-PO
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![iO HVAC Controls HD-1212-PO 12 x 12 Two-Position Zone Damper - Powered Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_08ad7c24-a746-41b8-9ffb-cc4e72346bda_medium.jpg?v=1715804930)
HD-1212-PO | 12 x 12 Two-Position Zone Damper - Powered Open | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1212-PO
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