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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 MD-2212 MD Series 22x12 (3) Wire Damper PO/PC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-MDXXXX_0e363540-e5f0-4b3f-abdf-3be88b2312d8_medium.jpg?v=1719992377)
MD-2212 | MD Series 22x12 (3) Wire Damper PO / PC | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MD-2212
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![iO HVAC Controls MD-2210 MD Series 22x10 (3) Wire Damper PO/PC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-MDXXXX_3d75f3e3-3479-4e44-8bcd-045cc75ca751_medium.jpg?v=1719992410)
MD-2210 | MD Series 22x10 (3) Wire Damper PO / PC | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MD-2210
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![iO HVAC Controls MD-2208-BM MD Series 22x08 (3) Wire Damper PO/PC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-MDXXXX_e745a2db-5038-4ef9-901c-84dcc604bd08_medium.jpg?v=1719992465)
MD-2208-BM | MD Series 22x08 (3) Wire Damper PO / PC | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MD-2208-BM
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![iO HVAC Controls MD-2208 MD Series 22x08 (3) Wire Damper PO/PC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-MDXXXX_44d80ec3-9d2f-4ce5-853f-97aeece52450_medium.jpg?v=1719992419)
MD-2208 | MD Series 22x08 (3) Wire Damper PO / PC | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MD-2208
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![iO HVAC Controls MD-2020 MD Series 20x20 (3) Wire Damper PO/PC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-MDXXXX_b40aa915-e9d4-4c31-a695-8fddb55e337a_medium.jpg?v=1719992498)
MD-2020 | MD Series 20x20 (3) Wire Damper PO / PC | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MD-2020
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![iO HVAC Controls MD-2018-BM MD Series 20x18 (3) Wire Damper PO/PC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-MDXXXX_f5eb9d95-6bd0-4acb-9168-2d6e25d4f63d_medium.jpg?v=1719992376)
MD-2018-BM | MD Series 20x18 (3) Wire Damper PO / PC | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MD-2018-BM
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![iO HVAC Controls MD-2018 MD Series 20x18 (3) Wire Damper PO/PC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-MDXXXX_947e8010-b574-4714-b0a3-724fcaf541c9_medium.jpg?v=1719992439)
MD-2018 | MD Series 20x18 (3) Wire Damper PO / PC | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MD-2018
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![iO HVAC Controls MD-2016-BM MD Series 20x16 (3) Wire Damper PO/PC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-MDXXXX_2d88bd62-cffc-4414-99a5-36657eed70ad_medium.jpg?v=1719992474)
MD-2016-BM | MD Series 20x16 (3) Wire Damper PO / PC | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MD-2016-BM
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![iO HVAC Controls MD-2016 MD Series 20x16 (3) Wire Damper PO/PC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-MDXXXX_fea43768-8230-461e-8e32-7513f4687b2a_medium.jpg?v=1719992459)
MD-2016 | MD Series 20x16 (3) Wire Damper PO / PC | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MD-2016
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![iO HVAC Controls MD-2014-BM MD Series 20x14 (3) Wire Damper PO/PC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-MDXXXX_b6fd6fd4-455c-45c8-a57a-1e1582450393_medium.jpg?v=1719992460)
MD-2014-BM | MD Series 20x14 (3) Wire Damper PO / PC | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MD-2014-BM
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![iO HVAC Controls MD-2014 MD Series 20x14 (3) Wire Damper PO/PC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-MDXXXX_31f1a1cb-abef-4ac0-8fdd-9099f3a03a91_medium.jpg?v=1719992410)
MD-2014 | MD Series 20x14 (3) Wire Damper PO / PC | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MD-2014
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![iO HVAC Controls MD-2012-BM MD Series 20x12 (3) Wire Damper PO/PC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-MDXXXX_6b67c6d4-3bc4-4be3-8a27-966ec498e12a_medium.jpg?v=1719992494)
MD-2012-BM | MD Series 20x12 (3) Wire Damper PO / PC | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MD-2012-BM
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![iO HVAC Controls MD-2012 MD Series 20x12 (3) Wire Damper PO/PC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-MDXXXX_3088330c-c5e5-4d72-9827-3305e3288a86_medium.jpg?v=1719992493)
MD-2012 | MD Series 20x12 (3) Wire Damper PO / PC | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MD-2012
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![iO HVAC Controls MD-2008-BM MD Series 20x08 (3) Wire Damper PO/PC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-MDXXXX_cf9f24f4-c246-4928-80d7-665f32bf2bee_medium.jpg?v=1719992433)
MD-2008-BM | MD Series 20x08 (3) Wire Damper PO / PC | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MD-2008-BM
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![iO HVAC Controls MD-2008 MD Series 20x08 (3) Wire Damper PO/PC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-MDXXXX_df2f5385-87f2-416c-973d-4a870114551e_medium.jpg?v=1719992459)
MD-2008 | MD Series 20x08 (3) Wire Damper PO / PC | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MD-2008
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![iO HVAC Controls MD-2006-BM MD Series 20x06 (3) Wire Damper PO/PC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-MDXXXX_6679662d-4652-45fa-a4e0-8bca5e50bf03_medium.jpg?v=1719992455)
MD-2006-BM | MD Series 20x06 (3) Wire Damper PO / PC | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MD-2006-BM
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![iO HVAC Controls MD-2006 MD Series 20x06 (3) Wire Damper PO/PC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-MDXXXX_24f71b13-85e7-4cff-8834-4190646eb63a_medium.jpg?v=1719992400)
MD-2006 | MD Series 20x06 (3) Wire Damper PO / PC | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MD-2006
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![iO HVAC Controls MD-20 MD Series 20" Round 3 Wire Damper PO/PC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-MDXX_4fd72eb5-5afa-4943-ba86-8d38f5206d89_medium.jpg?v=1719992465)
MD-20 | MD Series 20" Round 3 Wire Damper PO / PC | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MD-20
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![iO HVAC Controls MD-1818 MD Series 18x18 (3) Wire Damper PO/PC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-MDXXXX_cf582e6e-d37f-47c1-bee1-980024b737a2_medium.jpg?v=1719992464)
MD-1818 | MD Series 18x18 (3) Wire Damper PO / PC | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MD-1818
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![iO HVAC Controls MD-1816-BM MD Series 18x16 (3) Wire Damper PO/PC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-MDXXXX_0ffbad79-80f2-409b-a5d3-45488c37c3cc_medium.jpg?v=1719992470)
MD-1816-BM | MD Series 18x16 (3) Wire Damper PO / PC | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MD-1816-BM
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![iO HVAC Controls MD-1816 MD Series 18x16 (3) Wire Damper PO/PC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-MDXXXX_ba103ec1-7c30-4c8c-97c2-120edc002ec4_medium.jpg?v=1719992424)
MD-1816 | MD Series 18x16 (3) Wire Damper PO / PC | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MD-1816
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![iO HVAC Controls MD-1814-BM MD Series 18x14 (3) Wire Damper PO/PC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-MDXXXX_d1f2ef52-7a2a-4ca9-9009-46514c21b8d1_medium.jpg?v=1719992464)
MD-1814-BM | MD Series 18x14 (3) Wire Damper PO / PC | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MD-1814-BM
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![iO HVAC Controls MD-1814 MD Series 18x14 (3) Wire Damper PO/PC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-MDXXXX_c1eb3aae-c510-45af-bf99-1b5147d608ec_medium.jpg?v=1719992390)
MD-1814 | MD Series 18x14 (3) Wire Damper PO / PC | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MD-1814
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![iO HVAC Controls MD-1812-BM MD Series 18x12 (3) Wire Damper PO/PC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-MDXXXX_8e60edc3-1d65-471d-8cc3-fec4997fbae6_medium.jpg?v=1719992459)
MD-1812-BM | MD Series 18x12 (3) Wire Damper PO / PC | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MD-1812-BM
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