Dampers (hidden without zone panels) Spring return (no) Spring return
Zone dampers for HVAC systems without zone control panels. Order Individual 24V motorized dampers for creating HVAC zones today at Blackhawk Supply.
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![iO HVAC Controls HD-3008 Rectangular 30 x 08 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_88b909f1-e3c7-473b-bb2b-dd3cc893519e_medium.jpg?v=1715804906)
HD-3008 | Rectangular 30 x 08 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-3008
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![iO HVAC Controls HD-3006 Rectangular 30 x 06 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_5c30526f-61e9-442f-8ce6-92bc384a6005_medium.jpg?v=1715804944)
HD-3006 | Rectangular 30 x 06 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-3006
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![iO HVAC Controls HD-2822 Rectangular 28 x 22 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_c2f823e4-2126-4210-9da9-07680a592962_medium.jpg?v=1715804864)
HD-2822 | Rectangular 28 x 22 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2822
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![iO HVAC Controls HD-2820 Rectangular 28 x 20 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_37587c2c-d82d-4999-80a2-e9725cb3273b_medium.jpg?v=1715804962)
HD-2820 | Rectangular 28 x 20 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2820
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![iO HVAC Controls HD-2818 Rectangular 28 x 18 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_7350300b-60b2-443c-91f2-6979e7dc93ff_medium.jpg?v=1715804926)
HD-2818 | Rectangular 28 x 18 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2818
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![iO HVAC Controls HD-2816-BM Rectangular 28 x 16 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_98dbd679-0bc8-4bac-9542-c2bc783ed8e6_medium.jpg?v=1715804893)
HD-2816-BM | Rectangular 28 x 16 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2816-BM
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![iO HVAC Controls HD-2816 Rectangular 28 x 16 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_a4f125c8-3eb7-4eba-a2f1-e113e300f9c4_medium.jpg?v=1715804912)
HD-2816 | Rectangular 28 x 16 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2816
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![iO HVAC Controls HD-2814-BM Rectangular 28 x 14 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_10296c7c-9125-4649-a038-517b22ed4923_medium.jpg?v=1715804926)
HD-2814-BM | Rectangular 28 x 14 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2814-BM
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![iO HVAC Controls HD-2814 Rectangular 28 x 14 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_f62120fd-e370-45d6-a11f-1e463bcd0ba4_medium.jpg?v=1715804943)
HD-2814 | Rectangular 28 x 14 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2814
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![iO HVAC Controls HD-2812-BM Rectangular 28 x 12 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_ba542013-4508-4373-bfe9-0fb902c2fca3_medium.jpg?v=1715804917)
HD-2812-BM | Rectangular 28 x 12 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2812-BM
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![iO HVAC Controls HD-2812 Rectangular 28 x 12 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_525074c2-f721-48a8-8ef3-5e9a0b494cf1_medium.jpg?v=1715804926)
HD-2812 | Rectangular 28 x 12 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2812
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![iO HVAC Controls HD-2810-BM Rectangular 28 x 10 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_4a176d6b-b37b-4c23-8b0c-7afdf45928ee_medium.jpg?v=1715804884)
HD-2810-BM | Rectangular 28 x 10 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2810-BM
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![iO HVAC Controls HD-2810 Rectangular 28 x 10 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_e3e9e232-7a70-4aac-ae6c-73e1dc244d86_medium.jpg?v=1715804893)
HD-2810 | Rectangular 28 x 10 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2810
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![iO HVAC Controls HD-2808-BM Rectangular 28 x 08 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_7072375d-9a6b-498a-aabe-fb817f9d2272_medium.jpg?v=1715804912)
HD-2808-BM | Rectangular 28 x 08 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2808-BM
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![iO HVAC Controls HD-2808 Rectangular 28 x 08 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_0ac4ebda-9e16-4207-9b65-4b9667cecb50_medium.jpg?v=1715804948)
HD-2808 | Rectangular 28 x 08 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2808
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![iO HVAC Controls HD-2626 Rectangular 26 x 26 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_0fa81271-2647-4662-bf55-9a5e6a9478de_medium.jpg?v=1715804930)
HD-2626 | Rectangular 26 x 26 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2626
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![iO HVAC Controls HD-2624 Rectangular 26 x 20 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_c1b8e99e-f5ed-4ed8-8cad-07192a2a7559_medium.jpg?v=1715804885)
HD-2624 | Rectangular 26 x 20 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2624
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![iO HVAC Controls HD-2620 Rectangular 26 x 20 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_d6117f76-6841-4a25-83ec-5d43fe95743b_medium.jpg?v=1715804939)
HD-2620 | Rectangular 26 x 20 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2620
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![iO HVAC Controls HD-2618-BM Rectangular 26 x 18 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_79d0038d-eccd-4069-87c0-b48261027d16_medium.jpg?v=1715804907)
HD-2618-BM | Rectangular 26 x 18 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2618-BM
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![iO HVAC Controls HD-2618 Rectangular 26 x 18 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_667c5c6f-b373-42b4-9631-39d40120fd3d_medium.jpg?v=1715804966)
HD-2618 | Rectangular 26 x 18 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2618
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![iO HVAC Controls HD-2616-BM Rectangular 26 x 16 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_e9a4657a-66af-4e52-b621-5395509bb4b7_medium.jpg?v=1715804904)
HD-2616-BM | Rectangular 26 x 16 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2616-BM
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![iO HVAC Controls HD-2616 Rectangular 26 x 16 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_7f57a0f0-03e7-4f48-a3de-40eb297be323_medium.jpg?v=1715804898)
HD-2616 | Rectangular 26 x 16 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2616
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![iO HVAC Controls HD-2614-BM Rectangular 26 x 14 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_718f3dea-81da-432b-9552-b1addcc18687_medium.jpg?v=1715804955)
HD-2614-BM | Rectangular 26 x 14 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2614-BM
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![iO HVAC Controls HD-2614 Rectangular 26 x 14 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_46f29c46-046d-48cb-9d14-b22323878537_medium.jpg?v=1715804908)
HD-2614 | Rectangular 26 x 14 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2614
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