Dampers (hidden without zone panels) Round 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 D-16 Round 16" Zone Damper, 2 Wire,24V, PC/SO | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DXX_829643c1-9f12-4fa8-b19f-a4fe6b71d13a_medium.jpg?v=1715804863)
D-16 | Round 16" Zone Damper, 2 Wire, 24V, PC / SO | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-16
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![iO HVAC Controls D-14 Round 14" Zone Damper, 2 Wire,24V, PC/SO | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DXX_dcfabd1a-b2c0-4dd8-850d-f4ab85237487_medium.jpg?v=1715804854)
D-14 | Round 14" Zone Damper, 2 Wire, 24V, PC / SO | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-14
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![iO HVAC Controls D-12 Round 12" Zone Damper, 2 Wire,24V, PC/SO | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DXX_98523b01-3882-4deb-925d-58607923ccda_medium.jpg?v=1715804844)
D-12 | Round 12" Zone Damper, 2 Wire, 24V, PC / SO | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-12
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![iO HVAC Controls D-10 Round 10" Zone Damper, 2 Wire,24V, PC/SO | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DXX_4b101ece-ced0-466f-a97b-d517891d1eca_medium.jpg?v=1715804893)
D-10 | Round 10" Zone Damper, 2 Wire, 24V, PC / SO | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-10
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![iO HVAC Controls D-09 Round 9" Zone Damper, 2 Wire, 24V, PC/SO | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DXX_9b41e3d0-f731-49c1-bd68-f83e492b615d_medium.jpg?v=1715804854)
D-09 | Round 9" Zone Damper, 2 Wire, 24V, PC / SO | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-09
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![iO HVAC Controls D-08 Round 8" Zone Damper, 2 Wire, 24V, PC/SO | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DXX_555ec716-9439-493b-9054-2cc6d1d3f3fa_medium.jpg?v=1715804854)
D-08 | Round 8" Zone Damper, 2 Wire, 24V, PC / SO | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-08
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![iO HVAC Controls D-07 Round 7" Zone Damper, 2 Wire, 24V, PC/SO | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DXX_65c23c0c-7098-4e28-aa09-7b1f871dc421_medium.jpg?v=1715804854)
D-07 | Round 7" Zone Damper, 2 Wire, 24V, PC / SO | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-07
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![iO HVAC Controls D-06 Round 6" Zone Damper, 2 Wire, 24V, PC/SO | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DXX_6a73a06a-a767-4e8f-a65f-984348e20198_medium.jpg?v=1715804844)
D-06 | Round 6" Zone Damper, 2 Wire, 24V, PC / SO | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-06
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![iO HVAC Controls D-04 Round 4" Zone Damper, 2 Wire, 24V, PC/SO | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DXX_14de849f-a8cb-4f90-83cf-7a34c9849b00_medium.jpg?v=1715804864)
D-04 | Round 4" Zone Damper, 2 Wire, 24V, PC / SO | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-04
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![iO HVAC Controls CRD-10 Carrier Compatible 10" Retro Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-CRDXX_d807ce38-a204-47ea-95e4-c76755851abb_medium.jpg?v=1708912370)
CRD-10 | Carrier Compatible 10" Retro Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CRD-10
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![iO HVAC Controls CRD-09 Carrier Compatible 9" Retro Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-CRDXX_14cfc480-4b06-49b3-8ad6-8ae44c809726_medium.jpg?v=1708912374)
CRD-09 | Carrier Compatible 9" Retro Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CRD-09
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![iO HVAC Controls CRD-08 Carrier Compatible 8" Retro Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-CRDXX_e551f1c2-d1e7-4037-8020-4117c9181c9f_medium.jpg?v=1708912419)
CRD-08 | Carrier Compatible 8" Retro Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CRD-08
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![iO HVAC Controls CRD-07 Carrier Compatible 7" Retro Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-CRDXX_b5e23606-ef4b-467d-afde-ec4df646d478_medium.jpg?v=1708912411)
CRD-07 | Carrier Compatible 7" Retro Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CRD-07
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![iO HVAC Controls CRD-05 Carrier Compatible 5" Retro Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-CRDXX_9755bc67-c26e-46b1-8a5c-e3544a1840f7_medium.jpg?v=1708912384)
CRD-05 | Carrier Compatible 5" Retro Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CRD-05
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![iO HVAC Controls CD-20 Carrier 20" Round Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-CDXX_5a0fe8eb-95ea-442a-9e87-1694aaf713b5_medium.jpg?v=1708912411)
CD-20 | Carrier 20" Round Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-20
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![iO HVAC Controls CD-18 Carrier 18" Round Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-CDXX_39f03b31-8be1-477f-af75-465032cd31cc_medium.jpg?v=1708912365)
CD-18 | Carrier 18" Round Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-18
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![iO HVAC Controls CD-16 Carrier 16" Round Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-CDXX_medium.jpg?v=1708912374)
CD-16 | Carrier 16" Round Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-16
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![iO HVAC Controls CD-09 Carrier 9" Round Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-CDXX_e6026338-2f6d-4ba6-bf1c-88089ff217cf_medium.jpg?v=1708912365)
CD-09 | Carrier 9" Round Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-09
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![iO HVAC Controls CD-04 Carrier 4" Round Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-CDXX_18500c4f-d7dc-46b8-8ec1-e9a827d878cd_medium.jpg?v=1708912347)
CD-04 | Carrier 4" Round Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-04
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![iO HVAC Controls BH-16 Round 16" Horizontal Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-BH_20BV_20group_3393e8db-f48e-4b48-9b57-d71fdf5bf692_medium.jpg?v=1708912343)
BH-16 | Round 16" Horizontal Bypass Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: BH-16
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![iO HVAC Controls BH-14 Round 14" Horizontal Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-BH_20BV_20group_5dba14df-aef7-4a5d-97a8-679bfd3f6a3e_medium.jpg?v=1708912340)
BH-14 | Round 14" Horizontal Bypass Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: BH-14
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![iO HVAC Controls BH-12 Round 12" Horizontal Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-BH_20BV_20group_0ec1780f-9882-42ae-a676-51bc8d76a4d4_medium.jpg?v=1708912340)
BH-12 | Round 12" Horizontal Bypass Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: BH-12
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![iO HVAC Controls BH-09 Round 9" Horizontal Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-BH_20BV_20group_a96c3c5a-7af0-4c36-9d44-6f39a240538f_medium.jpg?v=1708912340)
BH-09 | Round 9" Horizontal Bypass Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: BH-09
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![iO HVAC Controls BH-07 Round 7" Horizontal Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-BH_20BV_20group_9d0e0d10-bdef-40b7-9f4e-ba74d1bdac09_medium.jpg?v=1708912340)
BH-07 | Round 7" Horizontal Bypass Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: BH-07
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