Dampers (hidden without zone panels) Rectangular Shape
Zone dampers for HVAC systems without zone control panels. Order Individual 24V motorized dampers for creating HVAC zones today at Blackhawk Supply.
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![iO HVAC Controls HD-2220-BM Rectangular 22 x 20 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_eaf489cc-513b-429e-8cdb-65233d1b3a0a_medium.jpg?v=1715804893)
HD-2220-BM | Rectangular 22 x 20 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2220-BM
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![iO HVAC Controls HD-2220 Rectangular 22 x 20 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_865c83e1-443e-4457-8418-36d3154435ef_medium.jpg?v=1715804943)
HD-2220 | Rectangular 22 x 20 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2220
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![iO HVAC Controls HD-2218-BM Rectangular 22 x 18 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_ddd1a67e-fb9c-4f8b-8e96-5fb7718f513a_medium.jpg?v=1715804940)
HD-2218-BM | Rectangular 22 x 18 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2218-BM
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![iO HVAC Controls HD-2218 Rectangular 22 x 18 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_1e097d67-2bf0-4f41-a18d-8d4a042751e9_medium.jpg?v=1715804948)
HD-2218 | Rectangular 22 x 18 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2218
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![iO HVAC Controls HD-2216 Rectangular 22 x 16 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_131542a3-0d44-422c-8524-594cc2307cae_medium.jpg?v=1715804886)
HD-2216 | Rectangular 22 x 16 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2216
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![iO HVAC Controls HD-2214-BM Rectangular 22 x 14 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_12ff6b46-a46c-418b-b6ab-f9c4b3c89f45_medium.jpg?v=1715804916)
HD-2214-BM | Rectangular 22 x 14 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2214-BM
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![iO HVAC Controls HD-2214 Rectangular 22 x 14 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_e5f35a14-f5bd-4e21-88dc-108fba713482_medium.jpg?v=1715804939)
HD-2214 | Rectangular 22 x 14 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2214
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![iO HVAC Controls HD-2212-BM Rectangular 22 x 12 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_05225692-1bda-42bb-a5f4-92c64d12cef6_medium.jpg?v=1715804944)
HD-2212-BM | Rectangular 22 x 12 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2212-BM
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![iO HVAC Controls HD-2212 Rectangular 22 x 12 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_602d3420-4cfd-47ab-a480-a1d2b3b4b2ee_medium.jpg?v=1715804894)
HD-2212 | Rectangular 22 x 12 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2212
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![iO HVAC Controls HD-2208 Rectangular 22 x 08 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_c76254e2-6e89-47e5-a600-ac1f727a9942_medium.jpg?v=1715804854)
HD-2208 | Rectangular 22 x 08 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2208
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![iO HVAC Controls HD-2206 Rectangular 22 x 06 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_e83ee32f-267a-4440-9039-ca8ad3088c2d_medium.jpg?v=1715804884)
HD-2206 | Rectangular 22 x 06 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2206
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![iO HVAC Controls HD-2018-BM Rectangular 20 x 18 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_074ae68b-2b3a-4ff2-b5ea-8587a07ee1cc_medium.jpg?v=1715804939)
HD-2018-BM | Rectangular 20 x 18 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2018-BM
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![iO HVAC Controls HD-2018 Rectangular 20 x 18 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_6998cbd4-5c5e-4c3f-b659-1506a850667e_medium.jpg?v=1715804916)
HD-2018 | Rectangular 20 x 18 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2018
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![iO HVAC Controls HD-2016-BM Rectangular 20 x 16 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_7ad55d49-41fd-457d-80f3-0d4ca1c6fb47_medium.jpg?v=1715804874)
HD-2016-BM | Rectangular 20 x 16 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2016-BM
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![iO HVAC Controls HD-2016 Rectangular 20 x 16 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_02522ca9-1eb2-4831-88e2-9cd6dce5f2d1_medium.jpg?v=1715804939)
HD-2016 | Rectangular 20 x 16 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2016
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![iO HVAC Controls HD-2014-BM Rectangular 20 x 14 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_cc37af9e-df09-4e21-ac4e-f7ba2e12983b_medium.jpg?v=1715804911)
HD-2014-BM | Rectangular 20 x 14 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2014-BM
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![iO HVAC Controls HD-2014 Rectangular 20 x 14 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_411550b5-17c4-450b-9ba1-7d7ba9007bd8_medium.jpg?v=1715804912)
HD-2014 | Rectangular 20 x 14 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2014
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![iO HVAC Controls HD-2012-BM Rectangular 20 x 12 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_82a02500-cef4-449c-89ed-07849617807e_medium.jpg?v=1715804907)
HD-2012-BM | Rectangular 20 x 12 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2012-BM
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![iO HVAC Controls HD-2012 Rectangular 20 x 12 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_15a7b343-2baa-4763-8820-f223956d3973_medium.jpg?v=1715804944)
HD-2012 | Rectangular 20 x 12 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2012
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![iO HVAC Controls HD-2010 Rectangular 20 x 10 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_4dd2666b-a70c-4e1b-8668-3048e1ca666e_medium.jpg?v=1715804944)
HD-2010 | Rectangular 20 x 10 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2010
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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_eda6f1e8-09a5-4078-8270-16cdd5f7d62e_medium.jpg?v=1715804844)
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-2008 Rectangular 20 x 08 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_23e1d981-7636-45f9-a34f-64e38fd524db_medium.jpg?v=1715804892)
HD-2008 | Rectangular 20 x 08 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2008
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![iO HVAC Controls HD-2006-BM Rectangular 20 x 06 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_10070d7d-5895-4480-88c0-502256edc0d3_medium.jpg?v=1715804912)
HD-2006-BM | Rectangular 20 x 06 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2006-BM
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![iO HVAC Controls HD-2006 Rectangular 20 x 06 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_96ae6e8b-bfce-474a-8c76-e21335c3e04c_medium.jpg?v=1715804893)
HD-2006 | Rectangular 20 x 06 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2006
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