Round motorized dampers iO HVAC Controls
Round motorized dampers for HVAC systems. For automated control of airflow in round ductwork. Actuator-driven butterfly or louvered dampers available, shop now!
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![iO HVAC Controls D-16-PO Round 16" Fresh Air Damper, 24V, PO/SC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DXX_b523174b-a9dd-4c47-9a47-232dfcf20295_medium.jpg?v=1715804842)
D-16-PO | Round 16" Fresh Air Damper, 24V, PO / SC | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-16-PO
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![iO HVAC Controls D-14-PO Round 14" Fresh Air Damper, 24V, PO/SC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DXX_7f881e7f-1e8a-4127-8743-e87dc4e68aed_medium.jpg?v=1715804842)
D-14-PO | Round 14" Fresh Air Damper, 24V, PO / SC | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-14-PO
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![iO HVAC Controls D-12-PO Round 12" Fresh Air Damper, 24V, PO/SC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DXX_bff6b7a4-e71c-41c6-aa69-6245a8f5b557_medium.jpg?v=1715804864)
D-12-PO | Round 12" Fresh Air Damper, 24V, PO / SC | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-12-PO
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![iO HVAC Controls D-10-PO Round 10" Fresh Air Damper, 24V, PO/SC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DXX_e3180616-066f-499c-981a-843f12e6c870_medium.jpg?v=1715804844)
D-10-PO | Round 10" Fresh Air Damper, 24V, PO / SC | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-10-PO
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![iO HVAC Controls D-09-PO Round 9" Fresh Air Damper, 24V, PO/SC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DXX_1eb53cd7-a882-42ce-aeea-35c938e9b2c5_medium.jpg?v=1715804863)
D-09-PO | Round 9" Fresh Air Damper, 24V, PO / SC | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-09-PO
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![iO HVAC Controls D-08-PO Round 8" Fresh Air Damper, 24V, PO/SC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DXX_3bc7bddb-e07d-4e96-bf01-6961e35cb142_medium.jpg?v=1715804874)
D-08-PO | Round 8" Fresh Air Damper, 24V, PO / SC | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-08-PO
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![iO HVAC Controls D-07-PO Round 7" Fresh Air Damper, 24V, PO/SC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DXX_a6c9a7dc-448d-4e14-918f-5ab49d700618_medium.jpg?v=1715804853)
D-07-PO | Round 7" Fresh Air Damper, 24V, PO / SC | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-07-PO
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![iO HVAC Controls D-06-PO Round 6" Fresh Air Damper, 24V, PO/SC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DXX_f1361e1d-f4b4-4df7-b280-b0cfaf71b93d_medium.jpg?v=1715804864)
D-06-PO | Round 6" Fresh Air Damper, 24V, PO / SC | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-06-PO
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![iO HVAC Controls D-04-PO Round 4" Fresh Air Damper, 24V, PO/SC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DXX_ec942d5b-41db-4cd6-aae0-3a18b71cd765_medium.jpg?v=1715804874)
D-04-PO | Round 4" Fresh Air Damper, 24V, PO / SC | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-04-PO
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![iO HVAC Controls D-18 Round 18" Zone Damper, 2 Wire,24V, PC/SO | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DXX_e04f1533-5494-4c64-9270-93f9fc5683c7_medium.jpg?v=1715804864)
D-18 | Round 18" Zone Damper, 2 Wire, 24V, PC / SO | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-18
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![iO HVAC Controls D-16 Round 16" Zone Damper, 2 Wire,24V, PC/SO | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DXX_829643c1-9f12-4fa8-b19f-a4fe6b71d13a_medium.jpg?v=1715804863)
D-16 | Round 16" Zone Damper, 2 Wire, 24V, PC / SO | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-16
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![iO HVAC Controls D-14 Round 14" Zone Damper, 2 Wire,24V, PC/SO | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DXX_dcfabd1a-b2c0-4dd8-850d-f4ab85237487_medium.jpg?v=1715804854)
D-14 | Round 14" Zone Damper, 2 Wire, 24V, PC / SO | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-14
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![iO HVAC Controls D-12 Round 12" Zone Damper, 2 Wire,24V, PC/SO | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DXX_98523b01-3882-4deb-925d-58607923ccda_medium.jpg?v=1715804844)
D-12 | Round 12" Zone Damper, 2 Wire, 24V, PC / SO | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-12
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![iO HVAC Controls D-10 Round 10" Zone Damper, 2 Wire,24V, PC/SO | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DXX_4b101ece-ced0-466f-a97b-d517891d1eca_medium.jpg?v=1715804893)
D-10 | Round 10" Zone Damper, 2 Wire, 24V, PC / SO | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-10
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![iO HVAC Controls D-09 Round 9" Zone Damper, 2 Wire, 24V, PC/SO | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DXX_9b41e3d0-f731-49c1-bd68-f83e492b615d_medium.jpg?v=1715804854)
D-09 | Round 9" Zone Damper, 2 Wire, 24V, PC / SO | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-09
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![iO HVAC Controls D-08 Round 8" Zone Damper, 2 Wire, 24V, PC/SO | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DXX_555ec716-9439-493b-9054-2cc6d1d3f3fa_medium.jpg?v=1715804854)
D-08 | Round 8" Zone Damper, 2 Wire, 24V, PC / SO | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-08
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![iO HVAC Controls D-07 Round 7" Zone Damper, 2 Wire, 24V, PC/SO | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DXX_65c23c0c-7098-4e28-aa09-7b1f871dc421_medium.jpg?v=1715804854)
D-07 | Round 7" Zone Damper, 2 Wire, 24V, PC / SO | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-07
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![iO HVAC Controls D-06 Round 6" Zone Damper, 2 Wire, 24V, PC/SO | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DXX_6a73a06a-a767-4e8f-a65f-984348e20198_medium.jpg?v=1715804844)
D-06 | Round 6" Zone Damper, 2 Wire, 24V, PC / SO | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-06
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![iO HVAC Controls D-04 Round 4" Zone Damper, 2 Wire, 24V, PC/SO | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DXX_14de849f-a8cb-4f90-83cf-7a34c9849b00_medium.jpg?v=1715804864)
D-04 | Round 4" Zone Damper, 2 Wire, 24V, PC / SO | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-04
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![iO HVAC Controls CRD-10 Carrier Compatible 10" Retro Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-CRDXX_d807ce38-a204-47ea-95e4-c76755851abb_medium.jpg?v=1708912370)
CRD-10 | Carrier Compatible 10" Retro Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CRD-10
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![iO HVAC Controls CRD-09 Carrier Compatible 9" Retro Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-CRDXX_14cfc480-4b06-49b3-8ad6-8ae44c809726_medium.jpg?v=1708912374)
CRD-09 | Carrier Compatible 9" Retro Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CRD-09
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![iO HVAC Controls CRD-08 Carrier Compatible 8" Retro Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-CRDXX_e551f1c2-d1e7-4037-8020-4117c9181c9f_medium.jpg?v=1708912419)
CRD-08 | Carrier Compatible 8" Retro Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CRD-08
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![iO HVAC Controls CRD-07 Carrier Compatible 7" Retro Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-CRDXX_b5e23606-ef4b-467d-afde-ec4df646d478_medium.jpg?v=1708912411)
CRD-07 | Carrier Compatible 7" Retro Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CRD-07
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![iO HVAC Controls CRD-05 Carrier Compatible 5" Retro Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-CRDXX_9755bc67-c26e-46b1-8a5c-e3544a1840f7_medium.jpg?v=1708912384)
CRD-05 | Carrier Compatible 5" Retro Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CRD-05
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