io hvac controls
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 HD-NA-1414 14 x 14 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_ee961494-9099-49d7-8692-6fef806e8218_medium.png?v=1720007092)
HD-NA-1414 | 14 x 14 Two-Position Zone Damper-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-NA-1414
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![iO HVAC Controls HD-NA-1816 18 x 16 Two-Position Zone Damper -No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_905bb8ea-a275-4ff5-bd33-108d50b4581a_medium.png?v=1719992318)
HD-NA-1816 | 18 x 16 Two-Position Zone Damper -No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-NA-1816
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![iO HVAC Controls HD-NA-1412 14 x 12 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_8366aec6-a790-4347-bb35-0e80c0654b57_medium.png?v=1719992306)
HD-NA-1412 | 14 x 12 Two-Position Zone Damper-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-NA-1412
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![iO HVAC Controls HD-NA-1814 18 x 14 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_9ae270c7-14c8-4cf6-aa17-a67324354b14_medium.png?v=1719992306)
HD-NA-1814 | 18 x 14 Two-Position Zone Damper-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-NA-1814
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![iO HVAC Controls HD-NA-1812 18 x 12 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_4e270c9e-6db0-4adb-b7b0-6883ee714820_medium.png?v=1719992327)
HD-NA-1812 | 18 x 12 Two-Position Zone Damper-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-NA-1812
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![iO HVAC Controls HD-NA-1806 18 x 06 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_9a5a35b3-804a-4839-8cfe-2e93b9fd4c3a_medium.png?v=1719992317)
HD-NA-1806 | 18 x 06 Two-Position Zone Damper-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-NA-1806
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![iO HVAC Controls HD-NA-1616 16 x 16 Two-Position Zone Damper -No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_da7c7dad-83d0-4826-b90f-d4083b520df7_medium.png?v=1719992306)
HD-NA-1616 | 16 x 16 Two-Position Zone Damper -No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-NA-1616
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![iO HVAC Controls HD-NA-1206 12 x 06 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_0767d339-c84e-4cb8-b386-3bae3a4c34cb_medium.png?v=1719992302)
HD-NA-1206 | 12 x 06 Two-Position Zone Damper-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-NA-1206
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![iO HVAC Controls HD-NA-1612 16 x 12 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_feaab69b-1a2c-46ba-899c-015508ba09e8_medium.png?v=1719992306)
HD-NA-1612 | 16 x 12 Two-Position Zone Damper-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-NA-1612
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![iO HVAC Controls HD-NA-1610 16 x 10 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_8943e479-c6e3-4636-b92e-557c4181fd9e_medium.png?v=1719992301)
HD-NA-1610 | 16 x 10 Two-Position Zone Damper-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-NA-1610
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![iO HVAC Controls HD-NA-1608 16 x 08 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_682bb2dc-f772-42c3-99dd-9852ff955388_medium.png?v=1719992306)
HD-NA-1608 | 16 x 08 Two-Position Zone Damper-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-NA-1608
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![iO HVAC Controls HD-NA-1606 16 x 06 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_88e2bad5-3bc7-4b9e-8349-da334fd44275_medium.png?v=1719992306)
HD-NA-1606 | 16 x 06 Two-Position Zone Damper-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-NA-1606
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![iO HVAC Controls HD-NA-1410 14 x 10 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_19cbe678-29d3-47d2-9b23-6269bd8bf407_medium.png?v=1719992337)
HD-NA-1410 | 14 x 10 Two-Position Zone Damper-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-NA-1410
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![iO HVAC Controls HD-NA-1408 14 x 08 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_e0e29490-4d29-40ff-b47a-4603c09065a7_medium.png?v=1719992307)
HD-NA-1408 | 14 x 08 Two-Position Zone Damper-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-NA-1408
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![iO HVAC Controls HD-BM-NA-3810 38 x 10 Two-Position Zone Damper - Bottom Mount-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_69b2a44f-8733-428f-b571-14a09359a5c1_medium.png?v=1719992317)
HD-BM-NA-3810 | 38 x 10 Two-Position Zone Damper - Bottom Mount-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-BM-NA-3810
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![iO HVAC Controls HD-NA-1406 14 x 06 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_20b23f87-9313-44bc-a8ba-bfcb25a23853_medium.png?v=1719992317)
HD-NA-1406 | 14 x 06 Two-Position Zone Damper-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-NA-1406
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![iO HVAC Controls HD-BM-NA-3624 36 x 24 Two-Position Zone Damper - Bottom Mount-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_58fc2cee-f5ad-483b-b0fd-3f3f09c4d652_medium.png?v=1719992296)
HD-BM-NA-3624 | 36 x 24 Two-Position Zone Damper - Bottom Mount-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-BM-NA-3624
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![iO HVAC Controls HD-NA-1212 12 x 12 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_1c380206-9aa8-410b-b2ba-408c0a5b6312_medium.png?v=1719992306)
HD-NA-1212 | 12 x 12 Two-Position Zone Damper-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-NA-1212
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![iO HVAC Controls HD-NA-1210 12 x 10 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_1f5817aa-8df1-4c64-a8a4-488925b85138_medium.png?v=1719992307)
HD-NA-1210 | 12 x 10 Two-Position Zone Damper-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-NA-1210
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![iO HVAC Controls HD-BM-NA-3616 36 x 16 Two-Position Zone Damper - Bottom Mount-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_b02c8b3e-1cd9-4832-8099-685792e3f62e_medium.png?v=1719992317)
HD-BM-NA-3616 | 36 x 16 Two-Position Zone Damper - Bottom Mount-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-BM-NA-3616
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![iO HVAC Controls HD-NA-1208 12 x 08 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_cb09243d-f9a5-4f22-8ca0-779639f10a38_medium.png?v=1719992327)
HD-NA-1208 | 12 x 08 Two-Position Zone Damper-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-NA-1208
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![iO HVAC Controls HD-NA-1008 10 x 08 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_53ec2a6a-d1d0-4714-bdc2-101a3ddbb361_medium.png?v=1719992297)
HD-NA-1008 | 10 x 08 Two-Position Zone Damper-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-NA-1008
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![iO HVAC Controls HD-NA-1010 10 x 10 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_e78e7286-2de3-4ad6-93f6-92b41e0f8ce7_medium.png?v=1719992302)
HD-NA-1010 | 10 x 10 Two-Position Zone Damper-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-NA-1010
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![iO HVAC Controls HD-BM-NA-3608 36 x 08 Two-Position Zone Damper - Bottom Mount-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_3e9d3469-3587-45e2-aa3e-f0df17a7e151_medium.png?v=1719992301)
HD-BM-NA-3608 | 36 x 08 Two-Position Zone Damper - Bottom Mount-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-BM-NA-3608
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