zone dampers
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![iO HVAC Controls HD-2406-BM 24 x 06 Rectangular Two-Position Zone Damper - 2 Wire Actuator - Bottom Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-XXXX-BM_c7c28d4c-8320-4f43-b46a-09190dedc3c0_medium.jpg?v=1719992238)
HD-2406-BM | 24 x 06 Rectangular Two-Position Zone Damper - 2 Wire Actuator - Bottom Mount | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2406-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_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-BM-NA-1606 16 x 06 Two-Position Zone Damper - Bottom Mount-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_b931044e-aba9-45ae-aabd-e5f508917e44_medium.png?v=1719992238)
HD-BM-NA-1606 | 16 x 06 Two-Position Zone Damper - Bottom Mount-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-BM-NA-1606
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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-2828-PO 28 x 28 Rectangular Two-Position Zone Damper - 2 Wire Actuator - Powered Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-XXXX_61a53719-6338-4ea3-b0ea-9bf6dbbe77b2_medium.jpg?v=1719992232)
HD-2828-PO | 28 x 28 Rectangular Two-Position Zone Damper - 2 Wire Actuator - Powered Open | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2828-PO
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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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![iO HVAC Controls HD-0806 Rectangular 08 x 06 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_5105d636-4901-4c95-bc32-42f23df62276_medium.jpg?v=1719992227)
HD-0806 | Rectangular 08 x 06 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-0806
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![iO HVAC Controls HD-2406 24 x 06 Rectangular Two-Position Zone Damper - 2 Wire Actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_53f196f5-5185-44f4-be90-da6d6a1e809b_medium.jpg?v=1719992231)
HD-2406 | 24 x 06 Rectangular Two-Position Zone Damper - 2 Wire Actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2406
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![iO HVAC Controls HD-2814-BM Rectangular 28 x 14 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_a5397571-a4df-428d-90bc-85fb3d5c9a9f_medium.jpg?v=1719992227)
HD-2814-BM | Rectangular 28 x 14 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2814-BM
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![iO HVAC Controls D-Z1-2008-BM 20 x 08 Two-Position Zone One Damper Assembly - Bottom Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DZ-XXXX_web_5b884573-dec6-4df3-aa49-baf0d73f30a3_medium.jpg?v=1719992227)
D-Z1-2008-BM | 20 x 08 Two-Position Zone One Damper Assembly - Bottom Mount | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-Z1-2008-BM
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![iO HVAC Controls HD-2812-BM Rectangular 28 x 12 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_eb32448b-8ac8-459d-9932-89c7644ab36e_medium.jpg?v=1719992226)
HD-2812-BM | Rectangular 28 x 12 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2812-BM
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![iO HVAC Controls HD-2016-BM-PO 20x16 Two-Position Zone Damper - Bottom Mount - Powered Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_5c6a6abc-2039-4d33-a221-1b5110c2ea46_medium.jpg?v=1719992227)
HD-2016-BM-PO | 20x16 Two-Position Zone Damper - Bottom Mount - Powered Open | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2016-BM-PO
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![iO HVAC Controls HD-BM-NA-1406 14 x 06 Two-Position Zone Damper - Bottom Mount-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_9e96572f-793f-4fdd-9170-857b7ba7829d_medium.png?v=1719992232)
HD-BM-NA-1406 | 14 x 06 Two-Position Zone Damper - Bottom Mount-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-BM-NA-1406
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![iO HVAC Controls HD-2812 Rectangular 28 x 12 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_52aa6dae-84ea-4a35-818f-c46e82ee7a05_medium.jpg?v=1719992226)
HD-2812 | Rectangular 28 x 12 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2812
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![iO HVAC Controls HD-BM-NA-2018 20 x 18 Two-Position Zone - Damper Bottom Mount-No Actuator, 5/8-1/2 Shaft | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-NA-XXXX_952341cf-fe23-4746-b598-193327acbced_medium.png?v=1719992233)
HD-BM-NA-2018 | 20 x 18 Two-Position Zone - Damper Bottom Mount-No Actuator, 5 / 8-1 / 2 Shaft | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-BM-NA-2018
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![iO HVAC Controls HD-1210-BM-PO 12 x 10 Two-Position Zone Damper - Bottom Mount - Powered Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-XXXX-BM_09017261-b258-4d77-99ab-6b74424e4944_medium.jpg?v=1719992226)
HD-1210-BM-PO | 12 x 10 Two-Position Zone Damper - Bottom Mount - Powered Open | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1210-BM-PO
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