Io hvac controls Non-spring return Spring return
I/O HVAC controls and building automation systems for controlling HVAC equipment and integrating it with building management systems. Order now at Blackhawk Supply.
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![iO HVAC Controls CD-3208-BM Carrier 32 x 08 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_dbb0cc8b-6f25-452c-94ad-06c15ff8250e_medium.jpg?v=1719992131)
CD-3208-BM | Carrier 32 x 08 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-3208-BM
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![iO HVAC Controls CD-3020-BM Carrier 30 x 20 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_68427dd8-96a9-46d3-8b97-cef6e1e974e0_medium.jpg?v=1719992116)
CD-3020-BM | Carrier 30 x 20 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-3020-BM
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![iO HVAC Controls CD-3012-BM Carrier 30 x 12 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_0bc85449-d229-4b74-abd8-314c897d6b8f_medium.jpg?v=1719992100)
CD-3012-BM | Carrier 30 x 12 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-3012-BM
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![iO HVAC Controls CD-3012 Carrier 30 x 12 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_2202e7f4-05c1-4da9-bb07-d1a8cd1297f9_medium.jpg?v=1719992140)
CD-3012 | Carrier 30 x 12 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-3012
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![iO HVAC Controls CD-3010-BM Carrier 30 x 10 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_de500caa-83b6-4d34-8260-a7a634a510ab_medium.jpg?v=1719992100)
CD-3010-BM | Carrier 30 x 10 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-3010-BM
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![iO HVAC Controls CD-3010 Carrier 30 x 10 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_51ea14e2-dac2-45e0-8190-cb2cb53e8ea9_medium.jpg?v=1719992111)
CD-3010 | Carrier 30 x 10 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-3010
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![iO HVAC Controls CD-3008-BM Carrier 30 x 08 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_5e82ffc3-15f7-4967-a018-b78e2a7efbf5_medium.jpg?v=1719992106)
CD-3008-BM | Carrier 30 x 08 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-3008-BM
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![iO HVAC Controls CD-3008 Carrier 30 x 08 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_08021298-b005-4ba4-9595-7705af1eccb9_medium.jpg?v=1719992106)
CD-3008 | Carrier 30 x 08 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-3008
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![iO HVAC Controls CD-2822 Carrier 28 x 22 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_d8f9a757-f501-4c6b-933a-87ec47520911_medium.jpg?v=1719992145)
CD-2822 | Carrier 28 x 22 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2822
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![iO HVAC Controls CD-2820 Carrier 28 x 20 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_3b9a00c7-b390-4f0f-89e5-e898c8f1705f_medium.jpg?v=1719992142)
CD-2820 | Carrier 28 x 20 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2820
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![iO HVAC Controls CD-2814-BM Carrier 28 x 14 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_2b1bafc4-6a72-4ddc-99ab-f438f8f0f9e7_medium.jpg?v=1719992112)
CD-2814-BM | Carrier 28 x 14 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2814-BM
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![iO HVAC Controls CD-2814 Carrier 28 x 14 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_dbc8b182-6884-40fc-9f2d-4bb6acf459aa_medium.jpg?v=1719992090)
CD-2814 | Carrier 28 x 14 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2814
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![iO HVAC Controls CD-2812 Carrier 28 x 12 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_703bf4e0-10f0-4a5c-9bbd-cbeea53f7b69_medium.jpg?v=1719992121)
CD-2812 | Carrier 28 x 12 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2812
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![iO HVAC Controls CD-2810-BM Carrier 28 x 10 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_b425441d-699c-4265-bef3-8a8ddcae4bcf_medium.jpg?v=1719992136)
CD-2810-BM | Carrier 28 x 10 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2810-BM
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![iO HVAC Controls CD-2810 Carrier 28 x 10 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_10688c27-d5ac-484d-b546-7431e439800a_medium.jpg?v=1719992141)
CD-2810 | Carrier 28 x 10 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2810
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![iO HVAC Controls CD-2808-BM Carrier 28 x 08 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_230161b3-cb24-4ce5-8ebb-a48e6b05e41b_medium.jpg?v=1719992145)
CD-2808-BM | Carrier 28 x 08 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2808-BM
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![iO HVAC Controls CD-2808 Carrier 28 x 08 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_5b15c1d7-3c5f-4906-901e-29de7c28f14b_medium.jpg?v=1719992131)
CD-2808 | Carrier 28 x 08 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2808
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![iO HVAC Controls CD-2616 Carrier 26 x 16 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_f86cb3fa-1c41-450c-b4eb-a22073a5dae1_medium.jpg?v=1719992112)
CD-2616 | Carrier 26 x 16 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2616
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![iO HVAC Controls CD-2614-BM Carrier 26 x 14 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_3472aa3c-8d1b-4a2b-88b5-1df55ec6985f_medium.jpg?v=1719992075)
CD-2614-BM | Carrier 26 x 14 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2614-BM
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![iO HVAC Controls CD-2614 Carrier 26 x 14 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_bfe2e70e-0b9c-491f-af7d-fae2dbe46059_medium.jpg?v=1719992122)
CD-2614 | Carrier 26 x 14 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2614
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![iO HVAC Controls CD-2612 Carrier 26 x 12 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_f09dd09a-7565-4595-959b-6170bb1a7b32_medium.jpg?v=1719992107)
CD-2612 | Carrier 26 x 12 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2612
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![iO HVAC Controls CD-2610-BM Carrier 26 x 10 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_fc379944-72ad-411c-b9f2-77ad8b204ea0_medium.jpg?v=1719992137)
CD-2610-BM | Carrier 26 x 10 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2610-BM
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![iO HVAC Controls CD-2610 Carrier 26 x 10 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_b06b110a-47ff-4c31-bf5c-d9b432680843_medium.jpg?v=1719992090)
CD-2610 | Carrier 26 x 10 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2610
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![iO HVAC Controls CD-2608-BM Carrier 26 x 08 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_58d90801-6ad8-4b1d-873c-e787e2b05d48_medium.jpg?v=1719992145)
CD-2608-BM | Carrier 26 x 08 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2608-BM
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iO-WR-XR | Extended Range wireless relay kit | iO HVAC Controls (OBSOLETE)
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