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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-2220-BM Manual Rectangular 22 x 20 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_1b3ba4ec-93a0-4461-88f0-fc1ca80dc0be_medium.jpg?v=1719992460)
MBD-2220-BM | Manual Rectangular 22 x 20 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-2220-BM
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![iO HVAC Controls MBD-2220 Manual Rectangular 22 x 20 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_50117dcb-0783-456c-9280-7dcfa71194b3_medium.jpg?v=1719992449)
MBD-2220 | Manual Rectangular 22 x 20 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-2220
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![iO HVAC Controls MBD-2218-BM Manual Rectangular 22 x 18 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_ae438110-68c1-402f-a9fd-fa5cf74d2352_medium.jpg?v=1719992411)
MBD-2218-BM | Manual Rectangular 22 x 18 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-2218-BM
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![iO HVAC Controls MBD-2218 Manual Rectangular 22 x 18 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_8a6f8fdf-ee10-4a9d-934c-4b445e5e0fd6_medium.jpg?v=1719992420)
MBD-2218 | Manual Rectangular 22 x 18 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-2218
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![iO HVAC Controls MBD-2216 Manual Rectangular 22 x 16 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_fabd6969-0813-4e24-aabd-14a7467478e3_medium.jpg?v=1719992459)
MBD-2216 | Manual Rectangular 22 x 16 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-2216
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![iO HVAC Controls MBD-2214-BM Manual Rectangular 22 x 14 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_20c4ca1a-6cc9-4de3-ae55-8d1bf59c2354_medium.jpg?v=1719992459)
MBD-2214-BM | Manual Rectangular 22 x 14 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-2214-BM
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![iO HVAC Controls MBD-2214 Manual Rectangular 22 x 14 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_b3a55ccb-0b1b-4e28-8222-493e9086b57f_medium.jpg?v=1719992480)
MBD-2214 | Manual Rectangular 22 x 14 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-2214
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![iO HVAC Controls MBD-2212-BM Manual Rectangular 22 x 12 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_6bc8c833-3e86-417e-9954-d9268f23817d_medium.jpg?v=1719992494)
MBD-2212-BM | Manual Rectangular 22 x 12 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-2212-BM
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![iO HVAC Controls MBD-2212 Manual Rectangular 22 x 12 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_a0738243-b133-4582-8f43-8a08ee69c842_medium.jpg?v=1719992429)
MBD-2212 | Manual Rectangular 22 x 12 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-2212
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![iO HVAC Controls MBD-2210-BM Manual Rectangular 22 x 10 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_e9761e23-6fd4-4638-80d6-d47e3ef9c1ef_medium.jpg?v=1719992395)
MBD-2210-BM | Manual Rectangular 22 x 10 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-2210-BM
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![iO HVAC Controls MBD-2210 Manual Rectangular 22 x 10 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_0e2421b6-8b87-42ce-a253-da24c4abef2e_medium.jpg?v=1719992368)
MBD-2210 | Manual Rectangular 22 x 10 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-2210
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![iO HVAC Controls MBD-2208-BM Manual Rectangular 22 x 08 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_38acc183-1a1b-4b9c-b195-e525f4396c4f_medium.jpg?v=1719992396)
MBD-2208-BM | Manual Rectangular 22 x 08 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-2208-BM
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![iO HVAC Controls MBD-2206 Manual Rectangular 22 x 06 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_bbc726fc-1cb4-4045-a4ed-d45dfb098143_medium.jpg?v=1719992434)
MBD-2206 | Manual Rectangular 22 x 06 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-2206
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![iO HVAC Controls MBD-2018-BM Manual Rectangular 20 x 18 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_89f9bf69-ae07-4e1b-a73b-ddb0648e4c47_medium.jpg?v=1719992464)
MBD-2018-BM | Manual Rectangular 20 x 18 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-2018-BM
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![iO HVAC Controls MBD-2018 Manual Rectangular 20 x 18 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_52a63cb1-8694-4e70-8675-f749cb3f8c2c_medium.jpg?v=1719992411)
MBD-2018 | Manual Rectangular 20 x 18 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-2018
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![iO HVAC Controls MBD-2016-BM Manual Rectangular 20 x 16 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_6e445703-b7aa-4efb-8456-c6d08553bf17_medium.jpg?v=1719992429)
MBD-2016-BM | Manual Rectangular 20 x 16 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-2016-BM
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![iO HVAC Controls MBD-2016 Manual Rectangular 20 x 16 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_bdbdbf95-029b-4761-addf-beabf8cf9252_medium.jpg?v=1719992386)
MBD-2016 | Manual Rectangular 20 x 16 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-2016
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![iO HVAC Controls MBD-2014-BM Manual Rectangular 20 x 14 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_abeb6835-11ba-4382-bb0f-911c929dcded_medium.jpg?v=1719992479)
MBD-2014-BM | Manual Rectangular 20 x 14 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-2014-BM
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![iO HVAC Controls MBD-2014 Manual Rectangular 20 x 14 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_5f8e785e-2412-44f3-a975-5185de61722e_medium.jpg?v=1719992390)
MBD-2014 | Manual Rectangular 20 x 14 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-2014
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![iO HVAC Controls MBD-2012-BM Manual Rectangular 20 x 12 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_a191ad56-c2f8-4474-a46d-82e5bf2f0a2f_medium.jpg?v=1719992372)
MBD-2012-BM | Manual Rectangular 20 x 12 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-2012-BM
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![iO HVAC Controls MBD-2012 Manual Rectangular 20 x 12 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_a01c8b94-9b48-4bf0-980a-321cdcfcdafa_medium.jpg?v=1719992378)
MBD-2012 | Manual Rectangular 20 x 12 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-2012
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![iO HVAC Controls MBD-2010-BM Manual Rectangular 20 x 10 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_5cd48f13-ec42-42e0-a9e3-e3fa4df76ac0_medium.jpg?v=1719992386)
MBD-2010-BM | Manual Rectangular 20 x 10 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-2010-BM
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![iO HVAC Controls MBD-2008-BM Manual Rectangular 20 x 08 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_e3008c42-ebc4-4881-af62-17a1cc420466_medium.jpg?v=1719992424)
MBD-2008-BM | Manual Rectangular 20 x 08 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-2008-BM
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![iO HVAC Controls MBD-2006-BM Manual Rectangular 20 x 06 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/balancing_damper_rect_7c9623dc-0d6e-427a-8ff1-ef176e470c01_medium.jpg?v=1719992464)
MBD-2006-BM | Manual Rectangular 20 x 06 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-2006-BM
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