Zone dampers Yes Motorized
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![iO HVAC Controls HD-3606 Rectangular 36 x 06 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_0c534177-7f31-4de3-aa70-ee6e49d8093a_medium.jpg?v=1719992256)
HD-3606 | Rectangular 36 x 06 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-3606
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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_59744ca5-f004-4362-86e5-eac34b18ee05_medium.jpg?v=1719992247)
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-2212-BM Rectangular 22 x 12 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_1370e60b-d8f4-45fa-a477-9932a5bff68a_medium.jpg?v=1719992247)
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-2214 Rectangular 22 x 14 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_11750cd9-d962-4b67-a9c9-d49b7e58b4e3_medium.jpg?v=1719992247)
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-2218 Rectangular 22 x 18 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_d8c82bf9-81be-49e5-833d-b172000779be_medium.jpg?v=1719992247)
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-2018-BM Rectangular 20 x 18 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_fac37ec3-fe24-4a4e-8225-107ee741d8a2_medium.jpg?v=1719992246)
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-2420-PO 24 x 20 Heavy-Duty Zone Damper - Powered Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_638a88c9-b506-4e0a-a9e8-c5b368d2797b_medium.jpg?v=1719992241)
HD-2420-PO | 24 x 20 Heavy-Duty Zone Damper - Powered Open | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2420-PO
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![iO HVAC Controls HD-2008-PO 20 x 08 Two-Position Zone Damper - Powered Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_379c0212-5b01-4e5d-8ebb-9d6a4b8b299f_medium.jpg?v=1719992246)
HD-2008-PO | 20 x 08 Two-Position Zone Damper - Powered Open | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2008-PO
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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_35beb3ab-35b7-458f-bafd-2428d333cc58_medium.jpg?v=1719992246)
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-2820-BM 28 x 20 Rectangular Two-Position Zone Damper - 2 Wire Actuator - Bottom Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_0ed85245-f8e2-4cd9-bf65-324cb91c513f_medium.jpg?v=1719992242)
HD-2820-BM | 28 x 20 Rectangular Two-Position Zone Damper - 2 Wire Actuator - Bottom Mount | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2820-BM
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![iO HVAC Controls HD-2412 Rectangular 24 x 12 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_f87ecfee-c3bd-49fd-b37a-95bd1c8af55d_medium.jpg?v=1719992241)
HD-2412 | Rectangular 24 x 12 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2412
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![iO HVAC Controls HD-2610 Rectangular 26 x 10 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_2e7f6d5e-2ceb-406c-bfe6-99c1c09abbaf_medium.jpg?v=1719992236)
HD-2610 | Rectangular 26 x 10 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2610
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![iO HVAC Controls HD-2626 Rectangular 26 x 26 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_1237bf3b-6054-4b6b-a1e0-523982180ea3_medium.jpg?v=1719992241)
HD-2626 | Rectangular 26 x 26 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2626
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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_9e9dba38-8089-43eb-9ac8-d4c584074d7f_medium.jpg?v=1719992241)
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-2016-BM Rectangular 20 x 16 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_51857f3c-63ed-4313-bf40-dde79bbb545a_medium.jpg?v=1719992237)
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-3208 Rectangular 32 x 08 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_2fce5599-7eb5-40a1-a5ff-c104365a6b30_medium.jpg?v=1719992237)
HD-3208 | Rectangular 32 x 08 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-3208
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![iO HVAC Controls HD-3018 30 x 18 Rectangular Two-Position Zone Damper - 2 Wire Actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_5717d190-da1e-4ff6-958d-3a72df75d1fd_medium.jpg?v=1719992236)
HD-3018 | 30 x 18 Rectangular Two-Position Zone Damper - 2 Wire Actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-3018
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![iO HVAC Controls HD-2824 28 x 24 Rectangular Two-Position Zone Damper - 2 Wire Actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_e3fd2c48-b92e-4770-abaa-83ae579e272c_medium.jpg?v=1719992232)
HD-2824 | 28 x 24 Rectangular Two-Position Zone Damper - 2 Wire Actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2824
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![iO HVAC Controls HD-2420-BM Rectangular 24 x 20 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_9d6b44ba-6875-491d-b62b-2c9d944d8e2c_medium.jpg?v=1719992232)
HD-2420-BM | Rectangular 24 x 20 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2420-BM
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![iO HVAC Controls HD-1812-PO 18 x 12 Rectangular Two-Position Zone Damper - 2 Wire Actuator HD-1812-PO | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_febbc14b-2b60-400b-8785-5ecbf770944f_medium.jpg?v=1719992231)
HD-1812-PO | 18 x 12 Rectangular Two-Position Zone Damper - 2 Wire Actuator HD-1812-PO | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1812-PO
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![iO HVAC Controls HD-1212-PO 12 x 12 Two-Position Zone Damper - Powered Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_6cb55732-026a-42cf-a162-6d01b1609c6e_medium.jpg?v=1719992232)
HD-1212-PO | 12 x 12 Two-Position Zone Damper - Powered Open | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1212-PO
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![iO HVAC Controls HD-1806-PO 18 x 06 Rectangular Two-Position Zone Damper - Powered Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_4bf8aecb-acec-4592-8fd1-7f17284760a7_medium.jpg?v=1719992227)
HD-1806-PO | 18 x 06 Rectangular Two-Position Zone Damper - Powered Open | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1806-PO
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![iO HVAC Controls HD-3810-BM Rectangular 38 x 10 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_5e6e8835-7ea7-4382-ab30-ff78a898a5e2_medium.jpg?v=1719992231)
HD-3810-BM | Rectangular 38 x 10 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-3810-BM
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![iO HVAC Controls HD-2818 Rectangular 28 x 18 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_548cf349-6d68-4e2e-9164-d1e156f14eef_medium.jpg?v=1719992231)
HD-2818 | Rectangular 28 x 18 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2818
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