Io hvac controls Non-spring return Spring return
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 BV-12 Vertical 12" Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-BH_20BV_20group_bb1ade32-5da2-4257-b84e-1a5ddfc93f62_medium.jpg?v=1708912347)
BV-12 | Vertical 12" Bypass Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: BV-12
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![iO HVAC Controls BV-08 Vertical 8" Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-BH_20BV_20group_6ae733bf-8370-4f24-9b6a-bdff0de50a4f_medium.jpg?v=1708912344)
BV-08 | Vertical 8" Bypass Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: BV-08
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![iO HVAC Controls BH-08 Round 8" Horizontal Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-BH_20BV_20group_2c2c3ef9-086b-45ea-ae39-1c4965f85c10_medium.jpg?v=1708912345)
BH-08 | Round 8" Horizontal Bypass Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: BH-08
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![iO HVAC Controls EB-3618 36 x 18 Heavy Duty Motorized Electronic Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-EB-XXXX_02d66543-0e89-402f-95f5-6f00965e43a5_medium.jpg?v=1708912501)
EB-3618 | 36 x 18 Heavy Duty Motorized Electronic Bypass Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: EB-3618
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![iO HVAC Controls EB-3614 36 x 14 Heavy Duty Motorized Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-EB-XXXX_353d5e91-04a3-4e68-88dd-a045e11c4fa0_medium.jpg?v=1708912501)
EB-3614 | 36 x 14 Heavy Duty Motorized Bypass Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: EB-3614
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![iO HVAC Controls EB-2624 26 x 24 Heavy Duty Motorized Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-EB-XXXX_06b92ee8-5657-449d-bad1-0b26fe7abeaf_medium.jpg?v=1708912447)
EB-2624 | 26 x 24 Heavy Duty Motorized Bypass Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: EB-2624
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![iO HVAC Controls EB-2422 24x20 Heavy Duty Motorized Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-EB-XXXX_fab376fb-8898-4e61-8ae2-640e82cea628_medium.jpg?v=1708912510)
EB-2422 | 24x20 Heavy Duty Motorized Bypass Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: EB-2422
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![iO HVAC Controls EB-1812-BM 18 x 12 Heavy Duty Motorized Bypass Damper - Bottom Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-EB-XXXX_19fa2b1f-0ccc-4727-af8f-9d3454b650c5_medium.jpg?v=1708912488)
EB-1812-BM | 18 x 12 Heavy Duty Motorized Bypass Damper - Bottom Mount | iO HVAC Controls
Brand: iO HVAC Controls
SKU: EB-1812-BM
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![iO HVAC Controls EB-1608-BM 16 x 08 Heavy Duty Motorized Bypass Damper - Bottom Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-EB-XXXX_71b88fbd-0725-44ef-9616-ed729d85c121_medium.jpg?v=1708912537)
EB-1608-BM | 16 x 08 Heavy Duty Motorized Bypass Damper - Bottom Mount | iO HVAC Controls
Brand: iO HVAC Controls
SKU: EB-1608-BM
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![iO HVAC Controls EB-1410-BM 14 x 10 Heavy Duty Motorized Bypass Damper - Bottom Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-EB-XXXX_df2bd892-a132-41a1-94c1-aa338aa38c49_medium.jpg?v=1708912442)
EB-1410-BM | 14 x 10 Heavy Duty Motorized Bypass Damper - Bottom Mount | iO HVAC Controls
Brand: iO HVAC Controls
SKU: EB-1410-BM
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![iO HVAC Controls EB-1210-BM 12 x 10 Heavy Duty Motorized Bypass Damper - Bottom Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-EB-XXXX_f87f4fd3-ce19-48a7-b277-21d1a8a02383_medium.jpg?v=1708912507)
EB-1210-BM | 12 x 10 Heavy Duty Motorized Bypass Damper - Bottom Mount | iO HVAC Controls
Brand: iO HVAC Controls
SKU: EB-1210-BM
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![iO HVAC Controls EB-1208-BM 12 x 08 Heavy Duty Motorized Bypass Damper - Bottom Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-EB-XXXX_cfa230d6-31b8-4fbc-bb5e-62dd5585f5ea_medium.jpg?v=1708912506)
EB-1208-BM | 12 x 08 Heavy Duty Motorized Bypass Damper - Bottom Mount | iO HVAC Controls
Brand: iO HVAC Controls
SKU: EB-1208-BM
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![iO HVAC Controls EB-1008-BM 10 x 08 Heavy Duty Motorized Bypass Damper - Bottom Mounted | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-EB-XXXX_5909e64c-7b81-45d2-a4ca-6d9089a08838_medium.jpg?v=1708912456)
EB-1008-BM | 10 x 08 Heavy Duty Motorized Bypass Damper - Bottom Mounted | iO HVAC Controls
Brand: iO HVAC Controls
SKU: EB-1008-BM
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![iO HVAC Controls EB-07 7" Heavy Duty Motorized Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-EB-XX_cf608979-a3d7-463d-8fc8-34cef74bf748_medium.jpg?v=1708912502)
EB-07 | 7" Heavy Duty Motorized Bypass Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: EB-07
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![iO HVAC Controls D-Z1-3410-BM 34 x 10 Two-Position Zone One Damper Assembly - Bottom Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-DZ-XXXX_web_3b7185e4-7f86-4901-8cc9-3a3a803e4aa8_medium.jpg?v=1708912478)
D-Z1-3410-BM | 34 x 10 Two-Position Zone One Damper Assembly - Bottom Mount | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-Z1-3410-BM
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![iO HVAC Controls D-Z1-2810 28 x 10 Two-Position Zone One Damper Assembly | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-DZ-XXXX_web_c3bbdf77-7dca-4e67-bb9a-531dc52d5d1c_medium.jpg?v=1708912425)
D-Z1-2810 | 28 x 10 Two-Position Zone One Damper Assembly | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-Z1-2810
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![iO HVAC Controls D-Z1-2420-BM 24 x 20 Two-Position Zone One Damper Assembly - Bottom Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-DZ-XXXX_web_d78bea07-9587-47ec-aa2b-e2931e7dc67e_medium.jpg?v=1708912537)
D-Z1-2420-BM | 24 x 20 Two-Position Zone One Damper Assembly - Bottom Mount | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-Z1-2420-BM
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![iO HVAC Controls D-Z1-2414-BM 24 x 14 Two-Position Zone One Damper Assembly - Bottom Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-DZ-XXXX_web_46e65a34-ff48-407d-80b9-2a6646e9fbe1_medium.jpg?v=1708912420)
D-Z1-2414-BM | 24 x 14 Two-Position Zone One Damper Assembly - Bottom Mount | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-Z1-2414-BM
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![iO HVAC Controls D-Z1-2410-BM 24 x 10 Two-Position Zone One Damper Assembly - Bottom Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-DZ-XXXX_web_94cf0e3e-4e13-4b72-ad48-a5136c36c69d_medium.jpg?v=1708912429)
D-Z1-2410-BM | 24 x 10 Two-Position Zone One Damper Assembly - Bottom Mount | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-Z1-2410-BM
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![iO HVAC Controls D-Z1-2408-BM 24 x 08 Two-Position Zone One Damper Assembly - Bottom Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-DZ-XXXX_web_50464da7-dc5a-400b-bc25-460f295294c3_medium.jpg?v=1708912496)
D-Z1-2408-BM | 24 x 08 Two-Position Zone One Damper Assembly - Bottom Mount | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-Z1-2408-BM
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![iO HVAC Controls D-Z1-2212-BM 22 x 12 Two-Position Zone One Damper Assembly - Bottom Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-DZ-XXXX_web_1bbcaccc-9b6c-487d-9948-34825073024e_medium.jpg?v=1708912542)
D-Z1-2212-BM | 22 x 12 Two-Position Zone One Damper Assembly - Bottom Mount | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-Z1-2212-BM
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![iO HVAC Controls D-Z1-2210-BM 22 x 10 Two-Position Zone One Damper Assembly - Bottom Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-DZ-XXXX_web_544c1989-bc48-47e7-a2d4-3d3efd7a9790_medium.jpg?v=1708912420)
D-Z1-2210-BM | 22 x 10 Two-Position Zone One Damper Assembly - Bottom Mount | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-Z1-2210-BM
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![iO HVAC Controls D-Z1-2208-BM 22 x 08 Two-Position Zone One Damper Assembly - Bottom Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-DZ-XXXX_web_0b536254-409a-48ac-8007-50958f5e09fe_medium.jpg?v=1708912520)
D-Z1-2208-BM | 22 x 08 Two-Position Zone One Damper Assembly - Bottom Mount | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-Z1-2208-BM
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![iO HVAC Controls D-Z1-2008-BM 20 x 08 Two-Position Zone One Damper Assembly - Bottom Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-DZ-XXXX_web_f439b11f-0361-4811-88f4-a26d41bc8e18_medium.jpg?v=1708912429)
D-Z1-2008-BM | 20 x 08 Two-Position Zone One Damper Assembly - Bottom Mount | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-Z1-2008-BM
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