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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 MBD-3012 Manual Rectangular 30 x 12 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_e12de2c8-bee8-4296-bf8c-2e2e9867eb59_medium.jpg?v=1719992420)
MBD-3012 | Manual Rectangular 30 x 12 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-3012
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![iO HVAC Controls MBD-3010-BM Manual Rectangular 30 x 10 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_83b33474-1c6a-4cc1-a8df-55d617785255_medium.jpg?v=1719992465)
MBD-3010-BM | Manual Rectangular 30 x 10 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-3010-BM
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![iO HVAC Controls MBD-3010 Manual Rectangular 30 x 10 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_22c98535-5501-4a7c-b263-ef610da263f6_medium.jpg?v=1719992494)
MBD-3010 | Manual Rectangular 30 x 10 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-3010
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![iO HVAC Controls MBD-3008-BM Manual Rectangular 30 x 08 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_14d5df1a-b7ea-4415-8a62-d9aaa9386bf7_medium.jpg?v=1719992439)
MBD-3008-BM | Manual Rectangular 30 x 08 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-3008-BM
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![iO HVAC Controls MBD-3008 Manual Rectangular 30 x 08 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_a45e0e4c-df1b-4110-8075-9da596a2e537_medium.jpg?v=1719992439)
MBD-3008 | Manual Rectangular 30 x 08 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-3008
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![iO HVAC Controls MBD-3006 Manual Rectangular 30 x 06 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_1be54f85-99db-4893-89df-8f15e2638025_medium.jpg?v=1719992429)
MBD-3006 | Manual Rectangular 30 x 06 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-3006
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![iO HVAC Controls MBD-2822 Manual Rectangular 28 x 22 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_fb33df5b-203e-4e1c-879f-231b60dec9f2_medium.jpg?v=1719992415)
MBD-2822 | Manual Rectangular 28 x 22 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-2822
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![iO HVAC Controls MBD-2820 Manual Rectangular 28 x 20 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_ffa62717-423f-429e-8e7f-6a00b3cb45ba_medium.jpg?v=1719992484)
MBD-2820 | Manual Rectangular 28 x 20 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-2820
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![iO HVAC Controls MBD-2818 Manual Rectangular 28 x 18 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_0fce2d34-6c39-48b9-9ee0-9b6b7624b10f_medium.jpg?v=1719992381)
MBD-2818 | Manual Rectangular 28 x 18 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-2818
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![iO HVAC Controls MBD-2816-BM Manual Rectangular 28 x 16 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_520514a0-de24-4118-b39e-4aae80f2b2ff_medium.jpg?v=1719992469)
MBD-2816-BM | Manual Rectangular 28 x 16 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-2816-BM
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![iO HVAC Controls MBD-2816 Manual Rectangular 28 x 16 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_8bae9631-5b9e-496d-a7f2-c9c249e8e36f_medium.jpg?v=1719992480)
MBD-2816 | Manual Rectangular 28 x 16 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-2816
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![iO HVAC Controls MBD-2814-BM Manual Rectangular 28 x 14 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_b08694d7-58f4-4ec0-8d9b-0064d2ff76f3_medium.jpg?v=1719992499)
MBD-2814-BM | Manual Rectangular 28 x 14 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-2814-BM
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![iO HVAC Controls MBD-2814 Manual Rectangular 28 x 14 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_d2ae8deb-0c39-49ad-bb75-1391799b99d9_medium.jpg?v=1719992439)
MBD-2814 | Manual Rectangular 28 x 14 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-2814
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![iO HVAC Controls MBD-2812-BM Manual Rectangular 28 x 12 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_4851167f-6db0-46d3-bb18-831808ebf84c_medium.jpg?v=1719992386)
MBD-2812-BM | Manual Rectangular 28 x 12 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-2812-BM
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![iO HVAC Controls MBD-2812 Manual Rectangular 28 x 12 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_f3706c12-0e72-4cd1-ab94-f0bd9dfa7603_medium.jpg?v=1719992400)
MBD-2812 | Manual Rectangular 28 x 12 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-2812
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![iO HVAC Controls MBD-2810-BM Manual Rectangular 28 x 10 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_21c50da5-d5ba-46af-891b-f43b56e725fa_medium.jpg?v=1719992390)
MBD-2810-BM | Manual Rectangular 28 x 10 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-2810-BM
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![iO HVAC Controls MBD-2810 Manual Rectangular 28 x 10 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_8dd25848-4c60-4269-a7b3-3eb2f273431c_medium.jpg?v=1719992508)
MBD-2810 | Manual Rectangular 28 x 10 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-2810
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![iO HVAC Controls MBD-2808-BM Manual Rectangular 28 x 08 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_52a05f2b-67e7-4835-a134-ecfc86863dcc_medium.jpg?v=1719992454)
MBD-2808-BM | Manual Rectangular 28 x 08 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-2808-BM
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![iO HVAC Controls MBD-2808 Manual Rectangular 28 x 08 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_e90d7f70-eed1-4504-ae08-08444c13d2d2_medium.jpg?v=1719992372)
MBD-2808 | Manual Rectangular 28 x 08 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-2808
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![iO HVAC Controls MBD-2626 Manual Rectangular 26 x 26 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_477a5b59-9ca6-4b1d-8a9d-a120f4ed59a7_medium.jpg?v=1719992377)
MBD-2626 | Manual Rectangular 26 x 26 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-2626
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![iO HVAC Controls MBD-2624 Manual Rectangular 26 x 20 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_9b9603ea-e07e-43f8-b928-50c12d3b421a_medium.jpg?v=1719992381)
MBD-2624 | Manual Rectangular 26 x 20 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-2624
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![iO HVAC Controls MBD-2618-BM Manual Rectangular 26 x 18 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_24c04acb-6dde-4421-abc9-527e3a50ccc7_medium.jpg?v=1719992424)
MBD-2618-BM | Manual Rectangular 26 x 18 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-2618-BM
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![iO HVAC Controls MBD-2618 Manual Rectangular 26 x 18 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_99ecbf47-310a-4ffe-9657-682cfd51d1c0_medium.jpg?v=1719992395)
MBD-2618 | Manual Rectangular 26 x 18 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-2618
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![iO HVAC Controls MBD-2616-BM Manual Rectangular 26 x 16 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_83249266-3b06-4d0d-a08f-6bd454fb2df3_medium.jpg?v=1719992386)
MBD-2616-BM | Manual Rectangular 26 x 16 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-2616-BM
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