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-2608 Carrier 26 x 08 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-CDXXXX_ce6a98fc-87bb-4e15-806e-85ddc5f6ef46_medium.jpg?v=1708912353)
CD-2608 | Carrier 26 x 08 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2608
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![iO HVAC Controls CD-2420-BM Carrier 24 x 20 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-CDXXXX_c578d6c1-043d-4545-8e30-475d791b2990_medium.jpg?v=1708912361)
CD-2420-BM | Carrier 24 x 20 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2420-BM
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![iO HVAC Controls CD-2420 Carrier 24 x 20 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-CDXXXX_9c500e17-e6ab-41eb-bf1f-9d6bbca61133_medium.jpg?v=1708912370)
CD-2420 | Carrier 24 x 20 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2420
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![iO HVAC Controls CD-2418-BM Carrier 24 x 18 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-CDXXXX_53ce8897-90c4-413e-818f-fbaeaed4aa2c_medium.jpg?v=1708912401)
CD-2418-BM | Carrier 24 x 18 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2418-BM
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![iO HVAC Controls CD-2418 Carrier 24 x 18 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-CDXXXX_999053fb-0791-41fe-b8e5-e03859cb80a5_medium.jpg?v=1708912392)
CD-2418 | Carrier 24 x 18 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2418
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![iO HVAC Controls CD-2416 Carrier 24 x 16 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-CDXXXX_ff6576b9-5f99-45f3-b5ee-b80ef35e2792_medium.jpg?v=1708912369)
CD-2416 | Carrier 24 x 16 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2416
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![iO HVAC Controls CD-2414-BM Carrier 24 x 14 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-CDXXXX_5cdc37bd-a51f-4441-823d-2c3adea2b542_medium.jpg?v=1708912357)
CD-2414-BM | Carrier 24 x 14 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2414-BM
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![iO HVAC Controls CD-2414 Carrier 24 x 14 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-CDXXXX_0722831e-9fce-4054-af29-b7abf506a18c_medium.jpg?v=1708912362)
CD-2414 | Carrier 24 x 14 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2414
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![iO HVAC Controls CD-2412-BM Carrier 24 x 12 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-CDXXXX_5ef22aa9-004e-47e6-95f9-f2767a5c10fb_medium.jpg?v=1708912361)
CD-2412-BM | Carrier 24 x 12 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2412-BM
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![iO HVAC Controls CD-2410-BM Carrier 24 x 10 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-CDXXXX_medium.jpg?v=1708912356)
CD-2410-BM | Carrier 24 x 10 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2410-BM
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![iO HVAC Controls CD-2410 Carrier 24 x 10 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-CDXXXX_74a1668f-b7e5-40b6-aefe-ccaa7640593c_medium.jpg?v=1708912356)
CD-2410 | Carrier 24 x 10 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2410
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![iO HVAC Controls CD-2408-BM Carrier 24 x 08 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-CDXXXX_69b52d9e-be2c-46b1-acce-caa036ca3864_medium.jpg?v=1708912388)
CD-2408-BM | Carrier 24 x 08 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2408-BM
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![iO HVAC Controls CD-2408 Carrier 24 x 08 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-CDXXXX_294ff341-0135-491e-9fab-1f6d090bff58_medium.jpg?v=1708912352)
CD-2408 | Carrier 24 x 08 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2408
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![iO HVAC Controls CD-2222 Carrier 22 x 22 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-CDXXXX_efeb45d8-16cb-49ae-a772-58246341be2d_medium.jpg?v=1708912392)
CD-2222 | Carrier 22 x 22 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2222
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![iO HVAC Controls CD-2220-BM Carrier 22 x 20 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-CDXXXX_2d0ab082-ea5d-4a25-9b13-3084067a6b46_medium.jpg?v=1708912396)
CD-2220-BM | Carrier 22 x 20 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2220-BM
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![iO HVAC Controls CD-2220 Carrier 22 x 20 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-CDXXXX_35649775-f08a-4259-beb0-b2244cf5f5b9_medium.jpg?v=1708912361)
CD-2220 | Carrier 22 x 20 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2220
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![iO HVAC Controls CD-2218-BM Carrier 22 x 18 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-CDXXXX_71409269-04bd-47c6-8009-ab81e2224424_medium.jpg?v=1708912388)
CD-2218-BM | Carrier 22 x 18 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2218-BM
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![iO HVAC Controls CD-2218 Carrier 22 x 18 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-CDXXXX_644d77da-29a3-4b5f-b35e-715b40040207_medium.jpg?v=1708912411)
CD-2218 | Carrier 22 x 18 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2218
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![iO HVAC Controls CD-2216 Carrier 22 x 16 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-CDXXXX_00deef78-0b29-4e68-8e4d-185fe457ed90_medium.jpg?v=1708912362)
CD-2216 | Carrier 22 x 16 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2216
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![iO HVAC Controls CD-2214-BM Carrier 22 x 14 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-CDXXXX_252c066e-b6df-48d7-ab87-e8cd8525eb5b_medium.jpg?v=1708912406)
CD-2214-BM | Carrier 22 x 14 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2214-BM
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![iO HVAC Controls CD-2214 Carrier 22 x 14 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-CDXXXX_2e1aa03f-4c60-4602-8dd0-cdac54ea3023_medium.jpg?v=1708912356)
CD-2214 | Carrier 22 x 14 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2214
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![iO HVAC Controls CD-2212-BM Carrier 22 x 12 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-CDXXXX_e432f584-6df3-47f7-acf3-bc37ede9bac1_medium.jpg?v=1708912348)
CD-2212-BM | Carrier 22 x 12 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2212-BM
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![iO HVAC Controls CD-2212 Carrier 22 x 12 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-CDXXXX_65aafc02-c4a4-4dca-a453-390fb52bc543_medium.jpg?v=1708912397)
CD-2212 | Carrier 22 x 12 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2212
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![iO HVAC Controls CD-2210-BM Carrier 22 x 10 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-CDXXXX_85fdd58b-27cc-46df-ab44-920b4ee6eb6c_medium.jpg?v=1708912370)
CD-2210-BM | Carrier 22 x 10 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2210-BM
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