Dampers Non-spring return Spring return
From rectangular to motorized dampers, from bypass dampers to zoning panels: we’ve got it all! Find what you are looking for in our stock of over 2,000 products.
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![iO HVAC Controls TD-3014 Trane 30 x 14 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-TDXXXX_5128799e-62a7-4079-aaa6-fd4f1ccef081_medium.jpg?v=1708912794)
TD-3014 | Trane 30 x 14 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TD-3014
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![iO HVAC Controls TD-3012-BM Trane 30 x 12 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-TDXXXX_af39630b-5f26-47d3-892f-72f94dd339b7_medium.jpg?v=1708912799)
TD-3012-BM | Trane 30 x 12 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TD-3012-BM
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![iO HVAC Controls TD-3012 Trane 30 x 12 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-TDXXXX_92e6839b-f8b1-483c-986d-b8c4ea65f06a_medium.jpg?v=1708912798)
TD-3012 | Trane 30 x 12 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TD-3012
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![iO HVAC Controls TD-3010-BM Trane 30 x 10 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-TDXXXX_ba6f0ed2-8317-4db6-ac01-455e3a5154b3_medium.jpg?v=1708912790)
TD-3010-BM | Trane 30 x 10 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TD-3010-BM
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![iO HVAC Controls TD-3010 Trane 30 x 10 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-TDXXXX_e3c2b24a-6cac-45a4-b01b-8fe4a4a3b087_medium.jpg?v=1708912790)
TD-3010 | Trane 30 x 10 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TD-3010
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![iO HVAC Controls TD-3008-BM Trane 30 x 08 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-TDXXXX_8da14f3d-ed1a-4227-80bc-be6ff4f09351_medium.jpg?v=1708912818)
TD-3008-BM | Trane 30 x 08 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TD-3008-BM
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![iO HVAC Controls TD-3008 Trane 30 x 08 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-TDXXXX_e2474c64-8e88-45ff-9af8-1cc66a2e24d0_medium.jpg?v=1708912826)
TD-3008 | Trane 30 x 08 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TD-3008
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![iO HVAC Controls TD-2820 Trane 28 x 20 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-TDXXXX_eb254aaa-12e7-46f7-8b1d-a2351772a84e_medium.jpg?v=1708912822)
TD-2820 | Trane 28 x 20 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TD-2820
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![iO HVAC Controls TD-2818 Trane 28 x 18 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-TDXXXX_6e06ebe5-3df4-4929-b1f8-4e96a6823dd1_medium.jpg?v=1708912803)
TD-2818 | Trane 28 x 18 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TD-2818
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![iO HVAC Controls TD-2816 Trane 28 x 16 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-TDXXXX_9c4b59b6-0f97-4bd8-9ee3-a022a690e124_medium.jpg?v=1708912786)
TD-2816 | Trane 28 x 16 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TD-2816
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![iO HVAC Controls TD-2814-BM Trane 28 x 14 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-TDXXXX_361c86c3-8bc6-470e-9f92-9c9b0223036c_medium.jpg?v=1708912808)
TD-2814-BM | Trane 28 x 14 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TD-2814-BM
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![iO HVAC Controls TD-2814 Trane 28 x 14 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-TDXXXX_5b58f0db-f251-45c6-b62e-86c15c8b13f2_medium.jpg?v=1708912773)
TD-2814 | Trane 28 x 14 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TD-2814
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![iO HVAC Controls TD-2812 Trane 28 x 12 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-TDXXXX_a230a607-7a3d-47fc-ba56-ac095c79d499_medium.jpg?v=1708912781)
TD-2812 | Trane 28 x 12 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TD-2812
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![iO HVAC Controls TD-2810-BM Trane 28 x 10 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-TDXXXX_aef67963-3f7b-4aa0-87bf-aa941bed5078_medium.jpg?v=1708912802)
TD-2810-BM | Trane 28 x 10 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TD-2810-BM
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![iO HVAC Controls TD-2810 Trane 28 x 10 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-TDXXXX_542f20b7-6249-4cdc-a966-aabbccb67812_medium.jpg?v=1708912782)
TD-2810 | Trane 28 x 10 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TD-2810
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![iO HVAC Controls TD-2808-BM Trane 28 x 08 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-TDXXXX_5fb0cda9-bb30-4d48-8f5e-5d765a82baac_medium.jpg?v=1708912778)
TD-2808-BM | Trane 28 x 08 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TD-2808-BM
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![iO HVAC Controls TD-2808 Trane 28 x 08 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-TDXXXX_af1166a8-555b-4077-8128-8abcce5b5b61_medium.jpg?v=1708912773)
TD-2808 | Trane 28 x 08 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TD-2808
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![iO HVAC Controls TD-2626 Trane 26 x 26 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-TDXXXX_07a0812c-8ae7-4937-ad61-52526bbc74f2_medium.jpg?v=1708912773)
TD-2626 | Trane 26 x 26 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TD-2626
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![iO HVAC Controls TD-2620 Trane 26 x 20 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-TDXXXX_0d71d8b2-0579-4fcb-8ab6-0e94bc245130_medium.jpg?v=1708912774)
TD-2620 | Trane 26 x 20 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TD-2620
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![iO HVAC Controls TD-2618 Trane 26 x 18 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-TDXXXX_4c15faf8-8f82-4881-a8d7-bfe3c122c904_medium.jpg?v=1708912778)
TD-2618 | Trane 26 x 18 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TD-2618
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![iO HVAC Controls TD-2616-BM Trane 26 x 16 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-TDXXXX_b46a0f86-4903-4dad-b273-306f7473f11d_medium.jpg?v=1708912814)
TD-2616-BM | Trane 26 x 16 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TD-2616-BM
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![iO HVAC Controls TD-2616 Trane 26 x 16 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-TDXXXX_05f47a27-8eb3-46fe-ab21-7154efcb2018_medium.jpg?v=1708912785)
TD-2616 | Trane 26 x 16 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TD-2616
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![iO HVAC Controls TD-2614-BM Trane 26 x 14 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-TDXXXX_7c1791d9-0d12-4d2d-9c53-de14ca73a3d9_medium.jpg?v=1708912781)
TD-2614-BM | Trane 26 x 14 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TD-2614-BM
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![iO HVAC Controls TD-2614 Trane 26 x 14 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-TDXXXX_55106548-e76b-46c0-9b86-e75f9ad1777f_medium.jpg?v=1708912795)
TD-2614 | Trane 26 x 14 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TD-2614
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147-2000 | Positioning Relay, Pneumatic, Adj Start Point and Span, Rapid Response | Siemens
Brand: Siemens
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