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-3012 30 x 12 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_21cfed48-44aa-4862-98a7-d9ebd11e589a_medium.png?v=1719992312)
HD-NA-3012 | 30 x 12 Two-Position Zone Damper-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-NA-3012
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![iO HVAC Controls HD-NA-2624 26 x 24 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_b794d1e1-802a-4b5b-a78a-c5c9fc45a9dc_medium.png?v=1719992352)
HD-NA-2624 | 26 x 24 Two-Position Zone Damper-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-NA-2624
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![iO HVAC Controls HD-NA-2620 26 x 20 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_4d57f7dc-1fd0-4a65-be67-0158c8254c4d_medium.png?v=1719992312)
HD-NA-2620 | 26 x 20 Two-Position Zone Damper-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-NA-2620
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![iO HVAC Controls HD-NA-2618 26 x 18 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_432f6df7-f346-4eca-9e1b-ef0e60f2e631_medium.png?v=1719992312)
HD-NA-2618 | 26 x 18 Two-Position Zone Damper-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-NA-2618
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![iO HVAC Controls HD-NA-3006 30 x 6 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_1a425528-06ac-4585-a6d2-04b2328902e7_medium.png?v=1719992312)
HD-NA-3006 | 30 x 6 Two-Position Zone Damper-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-NA-3006
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![iO HVAC Controls HD-NA-2824 28 x 24 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_077e20a4-02fa-41e4-a3a5-704b199ee801_medium.png?v=1719992317)
HD-NA-2824 | 28 x 24 Two-Position Zone Damper-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-NA-2824
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![iO HVAC Controls HD-NA-2616 26 x 16 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_40c080c0-d418-45bc-a2a8-bf14be479efe_medium.png?v=1719992307)
HD-NA-2616 | 26 x 16 Two-Position Zone Damper-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-NA-2616
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![iO HVAC Controls HD-NA-2614 26 x 14 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_c81eedbd-39df-4b98-a61a-3efdc2c4e183_medium.png?v=1719992367)
HD-NA-2614 | 26 x 14 Two-Position Zone Damper-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-NA-2614
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![iO HVAC Controls HD-NA-2822 28 x 22 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_5ed9ad0f-419c-481c-a565-ff21faa7c271_medium.png?v=1720007091)
HD-NA-2822 | 28 x 22 Two-Position Zone Damper-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-NA-2822
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![iO HVAC Controls HD-NA-2612 26 x 12 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_96e7b938-6954-454b-a818-5275c57e8fa3_medium.png?v=1719992306)
HD-NA-2612 | 26 x 12 Two-Position Zone Damper-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-NA-2612
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![iO HVAC Controls HD-NA-2818 28 x 18 Two-Position Zone Damper -No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_278d7c6d-573c-41e2-966d-7f3c7c44c8cf_medium.png?v=1719992337)
HD-NA-2818 | 28 x 18 Two-Position Zone Damper -No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-NA-2818
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![iO HVAC Controls HD-NA-2816 28 x 16 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_44798b05-4333-4421-9893-3e6cdc1ce280_medium.png?v=1719992357)
HD-NA-2816 | 28 x 16 Two-Position Zone Damper-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-NA-2816
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![iO HVAC Controls HD-NA-2608 26 x 08 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_d38fdb1e-f875-4b58-a646-b17fa62edf0f_medium.png?v=1719992307)
HD-NA-2608 | 26 x 08 Two-Position Zone Damper-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-NA-2608
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![iO HVAC Controls HD-NA-2814 28 x 14 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_36634dff-9da3-41c8-a83d-9b5c5f25f908_medium.png?v=1719992313)
HD-NA-2814 | 28 x 14 Two-Position Zone Damper-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-NA-2814
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![iO HVAC Controls HD-NA-2812 28 x 12 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_30d70418-1794-42b1-9a3f-81117e1253ec_medium.png?v=1719992312)
HD-NA-2812 | 28 x 12 Two-Position Zone Damper-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-NA-2812
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![iO HVAC Controls HD-NA-2810 28 x 10 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_58e731a4-f14c-4acb-9d32-345724e9f4e5_medium.png?v=1719992312)
HD-NA-2810 | 28 x 10 Two-Position Zone Damper-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-NA-2810
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![iO HVAC Controls HD-NA-2626 26 x 26 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_0715bd76-c976-4355-877b-679905363fbf_medium.png?v=1719992342)
HD-NA-2626 | 26 x 26 Two-Position Zone Damper-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-NA-2626
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![iO HVAC Controls HD-NA-2418 24 x 18 Two-Position Zone Damper -No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_3edbfb43-ae15-411f-9d4e-3a3fc930653c_medium.png?v=1719992301)
HD-NA-2418 | 24 x 18 Two-Position Zone Damper -No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-NA-2418
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![iO HVAC Controls HD-NA-2414 24 x 14 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_323b4ba1-be33-4610-b822-de3fd2d8c2d1_medium.png?v=1720007089)
HD-NA-2414 | 24 x 14 Two-Position Zone Damper-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-NA-2414
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![iO HVAC Controls HD-NA-2412 24 x 12 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_f1a65d31-0c26-42b6-8e3f-b29470ca59a7_medium.png?v=1719992312)
HD-NA-2412 | 24 x 12 Two-Position Zone Damper-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-NA-2412
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![iO HVAC Controls HD-NA-2222 22 x 22 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_14d31239-7781-4560-91e9-bf0e0ac5f8d0_medium.png?v=1719992302)
HD-NA-2222 | 22 x 22 Two-Position Zone Damper-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-NA-2222
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![iO HVAC Controls HD-NA-2220 22 x 20 Two-Position Zone Damper -No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_4892820f-b345-40a1-a32f-288351ed2c33_medium.png?v=1719992332)
HD-NA-2220 | 22 x 20 Two-Position Zone Damper -No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-NA-2220
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![iO HVAC Controls HD-NA-2610 26 x 10 Two-Position Zone Damper-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_2d6d6496-0690-4b7f-b678-7d735887f2c6_medium.png?v=1719992322)
HD-NA-2610 | 26 x 10 Two-Position Zone Damper-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-NA-2610
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![iO HVAC Controls HD-NA-2218 22 x 18 Two-Position Zone Damper -No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_ef6710a6-6a70-481b-85a6-a91510d3e943_medium.png?v=1719992307)
HD-NA-2218 | 22 x 18 Two-Position Zone Damper -No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-NA-2218
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