Zone dampers Rectangular dampers Type
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![iO HVAC Controls HD-1808-PO 18 x 8 Two-Position Zone Damper - Powered Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_541b1611-5975-4ee9-8d97-47cc91d3de90_medium.jpg?v=1719992160)
HD-1808-PO | 18 x 8 Two-Position Zone Damper - Powered Open | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1808-PO
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![iO HVAC Controls HD-3012-BM Rectangular 30 x 12 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_ed311038-65b1-4c0d-b002-dec09f0d6bbd_medium.jpg?v=1719992160)
HD-3012-BM | Rectangular 30 x 12 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-3012-BM
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![iO HVAC Controls HD-1814 Rectangular 18 x 14 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_65697c22-240f-4760-91c5-282fd6c6dd2a_medium.jpg?v=1719992160)
HD-1814 | Rectangular 18 x 14 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1814
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![iO HVAC Controls HD-2012-PO 20 x 12 Two-Position Zone Damper - Powered Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_6d8b8b03-1619-4473-a6f7-4733c0aea358_medium.jpg?v=1719992160)
HD-2012-PO | 20 x 12 Two-Position Zone Damper - Powered Open | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2012-PO
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![iO HVAC Controls HD-2220-PO 22 x 20 Two-Position Zone Damper - Powered Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_a71fa7a1-707f-48ac-8b38-08a1e02bf202_medium.jpg?v=1719992160)
HD-2220-PO | 22 x 20 Two-Position Zone Damper - Powered Open | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2220-PO
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![iO HVAC Controls HD-2420 Rectangular 24 x 20 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_4363cb8e-3197-4d5c-9c9c-401ab4e15ed6_medium.jpg?v=1719992166)
HD-2420 | Rectangular 24 x 20 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2420
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![iO HVAC Controls HD-1008-PO 10 x 08 Two-Position Zone Damper - Powered Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_a9f44d3e-201f-4f28-a4e5-6f96e1a371c4_medium.jpg?v=1719992160)
HD-1008-PO | 10 x 08 Two-Position Zone Damper - Powered Open | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1008-PO
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![iO HVAC Controls HD-2612-BM Rectangular 26 x 12 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_370b4314-5975-4972-a213-70bf3e2f11c1_medium.jpg?v=1719992156)
HD-2612-BM | Rectangular 26 x 12 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2612-BM
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![iO HVAC Controls HD-2822 Rectangular 28 x 22 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_e73685c3-2f5b-4c9e-ba50-761ec84d30e5_medium.jpg?v=1719992156)
HD-2822 | Rectangular 28 x 22 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2822
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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/files/iO-DZ-XXXX_web_7dd5c426-42f5-44e2-9b23-4ac5fdcf7b38_medium.jpg?v=1719992156)
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 HD-2008-BM Rectangular 20 x 08 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_df089880-a42e-4c75-808f-f6f9b115fd23_medium.jpg?v=1719992156)
HD-2008-BM | Rectangular 20 x 08 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2008-BM
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![iO HVAC Controls HD-2408-BM Rectangular 24 x 08 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_0136e88a-ce9b-45b1-95a9-dea1fa0cf63e_medium.jpg?v=1719992156)
HD-2408-BM | Rectangular 24 x 08 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2408-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/files/iO-DZ-XXXX_web_1551595a-2971-4e54-ad15-6b86a7a1f3bd_medium.jpg?v=1719992151)
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 HD-3408 Rectangular 34 x 08 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_464fdf09-6fa4-4a29-8555-9a73f0474704_medium.jpg?v=1719992155)
HD-3408 | Rectangular 34 x 08 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-3408
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![iO HVAC Controls D-Z1-1608-BM 16 x 08 Two-Position Zone One Damper Assembly - Bottom Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DZ-XXXX_web_1c6e165f-dc00-4bb9-96a6-f4d2a4a3fb6d_medium.jpg?v=1719992150)
D-Z1-1608-BM | 16 x 08 Two-Position Zone One Damper Assembly - Bottom Mount | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-Z1-1608-BM
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![iO HVAC Controls D-Z1-1606 16 x 06 Two-Position Zone One Damper Assembly | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DZ-XXXX_web_6278b937-7283-420b-9dcb-d1399b07b3db_medium.jpg?v=1719992146)
D-Z1-1606 | 16 x 06 Two-Position Zone One Damper Assembly | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-Z1-1606
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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/files/iO-DZ-XXXX_web_11e8c52f-b406-4795-a6d9-cfe7fbd520f9_medium.jpg?v=1719992150)
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-Z1-2210-BM 22 x 10 Two-Position Zone One Damper Assembly - Bottom Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DZ-XXXX_web_70b6b330-dd90-4d04-acbe-eb4d0b79c2d1_medium.jpg?v=1719992150)
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 CD-3410 Carrier 34 x 10 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_d977a2a0-0b8b-4a09-9043-a8c0d5ff28f9_medium.jpg?v=1719992146)
CD-3410 | Carrier 34 x 10 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-3410
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![iO HVAC Controls CD-2018 Carrier 20 x 18 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_d369e450-ab9d-4ab8-b68d-71a3e6a99468_medium.jpg?v=1719992146)
CD-2018 | Carrier 20 x 18 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2018
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![iO HVAC Controls CD-2608-BM Carrier 26 x 08 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_58d90801-6ad8-4b1d-873c-e787e2b05d48_medium.jpg?v=1719992145)
CD-2608-BM | Carrier 26 x 08 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2608-BM
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![iO HVAC Controls D-Z1-1410-BM 14 x 10 Two-Position Zone One Damper Assembly Bottom Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DZ-XXXX_web_3d36e6e7-5e50-4098-990b-e54a46127e59_medium.jpg?v=1719992145)
D-Z1-1410-BM | 14 x 10 Two-Position Zone One Damper Assembly Bottom Mount | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-Z1-1410-BM
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![iO HVAC Controls CD-2014-BM Carrier 20 x 14 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_a7a64d34-3c7d-402c-b088-017f7cbc4554_medium.jpg?v=1719992145)
CD-2014-BM | Carrier 20 x 14 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2014-BM
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![iO HVAC Controls CD-2210 Carrier 22 x 10 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-CDXXXX_5a55339e-5b91-4328-bb7e-685a211bd071_medium.jpg?v=1719992141)
CD-2210 | Carrier 22 x 10 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-2210
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