Dampers (hidden without zone panels) Non-spring return Spring return
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 TD-08 Trane 8" Round Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-TDXX_58f510fc-f2e6-4acb-8302-c6fb332a6bc9_medium.jpg?v=1708912755)
TD-08 | Trane 8" Round Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TD-08
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![iO HVAC Controls TD-07 Trane 7" Round Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-TDXX_c66ae53d-5a9a-43d0-a38c-f8db04d89e2a_medium.jpg?v=1708912778)
TD-07 | Trane 7" Round Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TD-07
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![iO HVAC Controls TD-0606 Trane 06 x 06 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-TDXXXX_1c473faf-b2bf-47a8-8804-fafb1a53ce33_medium.jpg?v=1708912781)
TD-0606 | Trane 06 x 06 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TD-0606
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![iO HVAC Controls TD-06 Trane 6" Round Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-TDXX_636afe39-7795-484e-afa1-184e2d5849a6_medium.jpg?v=1708912755)
TD-06 | Trane 6" Round Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TD-06
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![iO HVAC Controls TD-05 Trane 5" Round Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-TDXX_b9b44ad7-e053-4790-a903-17789da90b1e_medium.jpg?v=1708912777)
TD-05 | Trane 5" Round Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TD-05
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![iO HVAC Controls TD-04 Trane 4" Round Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-TDXX_a57c31bd-d487-432a-9d98-da63b1ea81d1_medium.jpg?v=1708912781)
TD-04 | Trane 4" Round Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TD-04
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![iO HVAC Controls RD-09 Round 9" Retro Damper, 3 wire actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-RD_6263e00a-babb-45ec-b980-52a3d3670ddc_medium.jpg?v=1708912636)
RD-09 | Round 9" Retro Damper, 3 wire actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RD-09
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![iO HVAC Controls RD-08 Round 8" Retro Damper, 3 wire actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-RD_medium.jpg?v=1708912689)
RD-08 | Round 8" Retro Damper, 3 wire actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RD-08
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![iO HVAC Controls RD-05 Round 5" Retro Damper, 3 wire actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-RD_97be8684-d71c-4a55-8d1d-a31acebf7b8d_medium.jpg?v=1708912645)
RD-05 | Round 5" Retro Damper, 3 wire actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RD-05
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![iO HVAC Controls MZR-1404-B-PO Motorized 14 x 04 Zone Register - Brown | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-MZR_web_a1947135-31c0-47e1-bd9a-253d9ac1e3e1_medium.jpg?v=1708912658)
MZR-1404-B-PO | Motorized 14 x 04 Zone Register - Brown | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MZR-1404-B-PO
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![iO HVAC Controls MZR-1204-W-PC Motorized 12 x 04 Zone Register - White | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-MZR_web_66bf94a0-7080-45b2-89e4-ba148802a98a_medium.jpg?v=1708912635)
MZR-1204-W-PC | Motorized 12 x 04 Zone Register - White | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MZR-1204-W-PC
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![iO HVAC Controls EB-3624 Electronic 36 x 24 Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-EB-XXXX_073c2460-dca3-4589-83c8-5b2e281ee579_medium.jpg?v=1708912447)
EB-3624 | Electronic 36 x 24 Bypass Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: EB-3624
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![iO HVAC Controls EB-3612 Electronic 36 x 12 Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-EB-XXXX_7523f8e0-4b93-4a1a-9d62-96c87b30b8fb_medium.jpg?v=1708912506)
EB-3612 | Electronic 36 x 12 Bypass Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: EB-3612
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![iO HVAC Controls EB-3026 Electronic 30 x 26 Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-EB-XXXX_d1fe3086-600b-4e76-bbe7-c93b68823d1d_medium.jpg?v=1708912488)
EB-3026 | Electronic 30 x 26 Bypass Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: EB-3026
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![iO HVAC Controls EB-3024 Electronic 30 x 24 Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-EB-XXXX_67f575ce-3221-4b65-b682-754dc4cecb18_medium.jpg?v=1708912459)
EB-3024 | Electronic 30 x 24 Bypass Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: EB-3024
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![iO HVAC Controls EB-3020 Electronic 30 x 20 Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-EB-XXXX_79e5518b-8f64-4366-9693-3f4294086316_medium.jpg?v=1708912456)
EB-3020 | Electronic 30 x 20 Bypass Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: EB-3020
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![iO HVAC Controls EB-3018 Electronic 30 x 18 Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-EB-XXXX_f33de04e-d12e-45e6-a4c7-07a354b4399d_medium.jpg?v=1708912542)
EB-3018 | Electronic 30 x 18 Bypass Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: EB-3018
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![iO HVAC Controls EB-3016 Electronic 30 x 16 Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-EB-XXXX_8df172de-e53a-4086-9ce8-bb189bd3f507_medium.jpg?v=1708912479)
EB-3016 | Electronic 30 x 16 Bypass Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: EB-3016
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![iO HVAC Controls EB-3014 Electronic 30 x 14 Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-EB-XXXX_e8cb8a25-f15b-4c8d-b648-3a913bbbe3dd_medium.jpg?v=1708912533)
EB-3014 | Electronic 30 x 14 Bypass Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: EB-3014
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![iO HVAC Controls EB-3012 Electronic 30 x 12 Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-EB-XXXX_10fb5d1a-19eb-40fe-80ea-65c30c3efb5f_medium.jpg?v=1708912479)
EB-3012 | Electronic 30 x 12 Bypass Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: EB-3012
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![iO HVAC Controls EB-3008 Electronic 30 x 08 Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-EB-XXXX_bf24f6eb-04d3-43c3-a403-bc5447920b10_medium.jpg?v=1708912552)
EB-3008 | Electronic 30 x 08 Bypass Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: EB-3008
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![iO HVAC Controls EB-2822 Electronic 28 x 22 Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-EB-XXXX_6e15b247-a980-4c32-9a3c-54bb3f34503e_medium.jpg?v=1708912447)
EB-2822 | Electronic 28 x 22 Bypass Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: EB-2822
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![iO HVAC Controls EB-2818 Electronic 28 x 18 Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-EB-XXXX_1511260a-0934-4a69-813d-cd934e47e289_medium.jpg?v=1708912497)
EB-2818 | Electronic 28 x 18 Bypass Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: EB-2818
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![iO HVAC Controls EB-2812 Electronic 28 x 12 Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-EB-XXXX_198dec99-35b0-4b48-8963-29577510f75d_medium.jpg?v=1708912456)
EB-2812 | Electronic 28 x 12 Bypass Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: EB-2812
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