Dampers Spring return (no) 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 HD-1814-BM Rectangular 18 x 14 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_866ea3db-4f74-42c0-9ece-b5ec11bf6274_medium.jpg?v=1715804961)
HD-1814-BM | Rectangular 18 x 14 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1814-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_0114cc13-ebc0-40b6-802a-3d6e4f5d6dd3_medium.jpg?v=1715804854)
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-1812-BM Rectangular 18 x 12 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_710666a3-e773-4a0a-98b2-e4c17f696c54_medium.jpg?v=1715804957)
HD-1812-BM | Rectangular 18 x 12 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1812-BM
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![iO HVAC Controls HD-1812 Rectangular 18 x 12 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_3f486fb7-57fa-4d40-8501-c1fe86760f5b_medium.jpg?v=1715804962)
HD-1812 | Rectangular 18 x 12 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1812
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![iO HVAC Controls HD-1808 Rectangular 18 x 08 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_0291f07c-ca39-4b19-8b38-b3a0ad03cf8b_medium.jpg?v=1715804966)
HD-1808 | Rectangular 18 x 08 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1808
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![iO HVAC Controls HD-1806-BM Rectangular 18 x 06 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_8af7bbfd-64f6-467f-91a3-7d341894f3db_medium.jpg?v=1715804874)
HD-1806-BM | Rectangular 18 x 06 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1806-BM
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![iO HVAC Controls HD-1806 Rectangular 18 x 06 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_e17c7453-66b6-4486-9042-a23c434368d4_medium.jpg?v=1715804854)
HD-1806 | Rectangular 18 x 06 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1806
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![iO HVAC Controls HD-1616 Rectangular 16 x 16 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_2e684f32-0974-4119-a173-1908a06fef10_medium.jpg?v=1715804934)
HD-1616 | Rectangular 16 x 16 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1616
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![iO HVAC Controls HD-1614-BM Rectangular 16 x 14 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_850ce9fb-6a3c-40fe-8d83-a1506755ff7d_medium.jpg?v=1715804902)
HD-1614-BM | Rectangular 16 x 14 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1614-BM
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![iO HVAC Controls HD-1614 Rectangular 16 x 14 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_73c2f746-421b-412c-a825-e15e0850fd25_medium.jpg?v=1715804898)
HD-1614 | Rectangular 16 x 14 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1614
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![iO HVAC Controls HD-1612 Rectangular 16 x 12 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_ccecf996-d162-493a-935f-47136d912f24_medium.jpg?v=1715804902)
HD-1612 | Rectangular 16 x 12 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1612
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![iO HVAC Controls HD-1610 Rectangular 16 x 10 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_f632104b-aa86-4c1a-b757-fdf3293e84de_medium.jpg?v=1715804893)
HD-1610 | Rectangular 16 x 10 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1610
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![iO HVAC Controls HD-1608 Rectangular 16 x 08 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_22ca6d0f-8c97-414b-9b2b-90544c351262_medium.jpg?v=1715804898)
HD-1608 | Rectangular 16 x 08 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1608
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![iO HVAC Controls HD-1606-BM Rectangular 16 x 06 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_1a572801-04cf-4708-b531-972f1168e36a_medium.jpg?v=1715804874)
HD-1606-BM | Rectangular 16 x 06 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1606-BM
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![iO HVAC Controls HD-1412-BM Rectangular 14 x 12 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_2a71e7d0-dd53-401d-870d-5e3d9dee1ec9_medium.jpg?v=1715804944)
HD-1412-BM | Rectangular 14 x 12 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1412-BM
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![iO HVAC Controls HD-1412 Rectangular 14 x 12 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_2c1ccdfa-2590-4d40-b283-aa370aec1948_medium.jpg?v=1715804948)
HD-1412 | Rectangular 14 x 12 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1412
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![iO HVAC Controls HD-1408 Rectangular 14 x 08 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_f5391ed4-6cd2-4bfd-9a88-155100163f39_medium.jpg?v=1715804926)
HD-1408 | Rectangular 14 x 08 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1408
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![iO HVAC Controls HD-1406-BM Rectangular 14 x 06 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_14dbbe65-7435-44e4-ad3b-e073bf589d1c_medium.jpg?v=1715804885)
HD-1406-BM | Rectangular 14 x 06 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1406-BM
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![iO HVAC Controls HD-1212 Rectangular 12 x 12 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_4670de95-82aa-4a0d-8490-e881c39f0376_medium.jpg?v=1715804917)
HD-1212 | Rectangular 12 x 12 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1212
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![iO HVAC Controls HD-1210 Rectangular 12 x 10 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_cc72bd13-cd55-44b4-b5ef-e6f980798a32_medium.jpg?v=1715804899)
HD-1210 | Rectangular 12 x 10 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1210
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![iO HVAC Controls HD-1208 Rectangular 12 x 08 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_3d5e013e-76a2-4d79-b0df-5548cd72b415_medium.jpg?v=1715804935)
HD-1208 | Rectangular 12 x 08 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1208
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![iO HVAC Controls HD-1206-BM Rectangular 12 x 06 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_8238d376-e3bd-43fd-93df-7c59878fb86f_medium.jpg?v=1715804940)
HD-1206-BM | Rectangular 12 x 06 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1206-BM
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![iO HVAC Controls HD-1206 Rectangular 12 x 06 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_bac1973b-e39c-4aa2-9313-0227ebe46ef4_medium.jpg?v=1715804936)
HD-1206 | Rectangular 12 x 06 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1206
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![iO HVAC Controls HD-1008 Rectangular 10 x 08 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_5b47e864-ed16-4875-bdca-e5c6ea61c0f6_medium.jpg?v=1715804912)
HD-1008 | Rectangular 10 x 08 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1008
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