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 D-Z1-0806 Zone One 08 x 06 Damper Assembly | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DZ-XXXX_web_medium.jpg?v=1719992080)
D-Z1-0806 | Zone One 08 x 06 Damper Assembly | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-Z1-0806
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![iO HVAC Controls D-Z1-08 Zone One 8" Damper Assembly | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DZ-XX_web_medium.jpg?v=1719992095)
D-Z1-08 | Zone One 8" Damper Assembly | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-Z1-08
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![iO HVAC Controls D-Z1-07 Zone One 7" Damper Assembly | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DZ-XX_web_5ee1b7c6-08d2-4db0-a327-9e597ed22746_medium.jpg?v=1719992141)
D-Z1-07 | Zone One 7" Damper Assembly | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-Z1-07
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![iO HVAC Controls D-Z1-06 Zone One 6" Damper Assembly | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DZ-XX_web_0aa16ca9-6417-4c6c-b8fc-8b38f5791af7_medium.jpg?v=1719992150)
D-Z1-06 | Zone One 6" Damper Assembly | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-Z1-06
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![iO HVAC Controls CRD-10 Carrier Compatible 10" Retro Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CRDXX_medium.jpg?v=1719992095)
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/files/iO-CRDXX_f839acf7-a697-4c31-94c9-21e31383031f_medium.jpg?v=1719992100)
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/files/iO-CRDXX_d9a95f67-eea0-4f1d-86b1-11748ce6b192_medium.jpg?v=1719992145)
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/files/iO-CRDXX_48ed4c0c-b096-45e2-a650-b1f931773954_medium.jpg?v=1719992141)
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/files/iO-CRDXX_0cfa16f6-e05c-4dee-9f85-743b351f36a4_medium.jpg?v=1719992112)
CRD-05 | Carrier Compatible 5" Retro Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CRD-05
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![iO HVAC Controls CD-3624-BM Carrier 36 x 24 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_0e3d5778-1e83-4cdd-8ef5-efc0f120ea17_medium.jpg?v=1719992136)
CD-3624-BM | Carrier 36 x 24 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-3624-BM
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![iO HVAC Controls CD-3624 Carrier 36 x 24 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_fa6e5061-19e9-47c9-98a7-37e5188f7b79_medium.jpg?v=1719992116)
CD-3624 | Carrier 36 x 24 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-3624
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![iO HVAC Controls CD-3612 Carrier 36 x 12 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_ce546c53-0c32-4f97-a12e-d5cda2b42512_medium.jpg?v=1719992100)
CD-3612 | Carrier 36 x 12 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-3612
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![iO HVAC Controls CD-3610 Carrier 36 x 10 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_686c09b2-4035-47be-ba33-0b680f60b371_medium.jpg?v=1719992106)
CD-3610 | Carrier 36 x 10 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-3610
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![iO HVAC Controls CD-3608-BM Carrier 36 x 08 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_fc5eabc2-3419-46f2-a487-5e15c038c3c8_medium.jpg?v=1719992137)
CD-3608-BM | Carrier 36 x 08 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-3608-BM
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![iO HVAC Controls CD-3608 Carrier 36 x 08 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_881e5dfd-476a-47fc-96db-3b97d57304e4_medium.jpg?v=1719992116)
CD-3608 | Carrier 36 x 08 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-3608
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![iO HVAC Controls CD-3412 Carrier 34 x 12 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_5322d84b-cdfd-40d5-ab5e-05d201b427f6_medium.jpg?v=1719992106)
CD-3412 | Carrier 34 x 12 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-3412
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![iO HVAC Controls CD-3410-BM Carrier 34 x 10 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_4cf109b9-6352-41de-8c50-5433927d0534_medium.jpg?v=1719992116)
CD-3410-BM | Carrier 34 x 10 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-3410-BM
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![iO HVAC Controls CD-3410 Carrier 34 x 10 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_d977a2a0-0b8b-4a09-9043-a8c0d5ff28f9_medium.jpg?v=1719992146)
CD-3410 | Carrier 34 x 10 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-3410
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![iO HVAC Controls CD-3408 Carrier 34 x 08 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_61b0a93b-99f5-47ac-8234-434f8bebe27e_medium.jpg?v=1719992117)
CD-3408 | Carrier 34 x 08 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-3408
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![iO HVAC Controls CD-3220-BM Carrier 32 x 20 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_9b31a968-34c2-479e-9056-de01b12cb15a_medium.jpg?v=1719992132)
CD-3220-BM | Carrier 32 x 20 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-3220-BM
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![iO HVAC Controls CD-3216 Carrier 32 x 16 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_0fd3f348-3880-4a34-8983-8fd25d1006c1_medium.jpg?v=1719992075)
CD-3216 | Carrier 32 x 16 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-3216
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![iO HVAC Controls CD-3214 Carrier 32 x 14 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_835151df-916d-42e4-9c8b-fb0b074a4b78_medium.jpg?v=1719992145)
CD-3214 | Carrier 32 x 14 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-3214
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![iO HVAC Controls CD-3212-BM Carrier 32 x 12 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_bda108f8-f6dc-404e-b7d4-3ba2ea566905_medium.jpg?v=1719992106)
CD-3212-BM | Carrier 32 x 12 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-3212-BM
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![iO HVAC Controls CD-3210 Carrier 32 x 10 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_cd8e0cf4-7346-48e5-bdee-aa7b651fb007_medium.jpg?v=1719992107)
CD-3210 | Carrier 32 x 10 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-3210
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