round dampers
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![iO HVAC Controls RM-14 Rheem 14" Round Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RheemRound_981dbd27-0f0f-4e0a-8fb8-5b233d649904_medium.jpg?v=1719992470)
RM-14 | Rheem 14" Round Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-14
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![iO HVAC Controls RM-10 Rheem 10" Round Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RheemRound_2955d0f6-cdc4-404b-9796-9c5bb22d210f_medium.jpg?v=1719992424)
RM-10 | Rheem 10" Round Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-10
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![iO HVAC Controls MD-2210-BM MD Series 22x10 (3) Wire Damper PO/PC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-MDXXXX_fcb6b7fb-24b6-4dc1-8b7a-d7be2239dd7a_medium.jpg?v=1719992419)
MD-2210-BM | MD Series 22x10 (3) Wire Damper PO / PC | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MD-2210-BM
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![iO HVAC Controls RM-05 Rheem 5" Round Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RheemRound_medium.jpg?v=1719992371)
RM-05 | Rheem 5" Round Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-05
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![iO HVAC Controls MBD-09 iO HVAC Controls Manual Balancing Damper 9 Round with locking quad | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/MBD-09_medium.jpg?v=1719992331)
MBD-09 | iO HVAC Controls Manual Balancing Damper 9 Round with locking quad | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-09
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![iO HVAC Controls EB-1212 Electronic 12 x 12 Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-EB-XXXX_3abe391d-7ba9-40d2-94d9-5bb8dcc830a6_medium.jpg?v=1719992237)
EB-1212 | Electronic 12 x 12 Bypass Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: EB-1212
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![iO HVAC Controls D-10-120V 10", 2 Wire Damper with 120V Actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DXX_ea244713-26e5-45ac-92ea-1455eeac203e_medium.jpg?v=1719992106)
D-10-120V | 10", 2 Wire Damper with 120V Actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-10-120V
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![EWC Controls 7 URD-SRE24 VOLT N.C. 7 URD-SRE24 24V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_9c626dc7-b74a-48d9-a6fc-7f51053c488d_medium.gif?v=1719987539)
7 URD-SRE24 VOLT N.C. | 7 URD-SRE24 24V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 7 URD-SRE24 VOLT N.C.
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![EWC Controls 18X24 ND-15S 18X24 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_141e800f-7c87-40c5-a53b-5c14df478fe0_medium.png?v=1720000365)
18X24 ND-15S | 18X24 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 18X24 ND-15S
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![EWC Controls 16X16 ND-15S 16X16 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_0e7e235f-0592-4596-9164-28cfb4213ad8_medium.png?v=1720000371)
16X16 ND-15S | 16X16 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 16X16 ND-15S
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![EWC Controls 18 URD-15S 18 URD-15S ROUND MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sm_31453907-512a-4d4d-a102-de34a9bc0b2b_medium.gif?v=1720038857)
18 URD-15S | 18 URD-15S ROUND MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 18 URD-15S
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![EWC Controls 16 URD-15S 16 URD-15S ROUND MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sm_14213757-0df8-4461-92fa-6209c3ddb3a3_medium.gif?v=1720038860)
16 URD-15S | 16 URD-15S ROUND MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 16 URD-15S
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![EWC Controls 8 URD-15S 8 URD-15S ROUND MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sm_cbfc54a4-0570-481a-8206-881895e38edf_medium.gif?v=1720038859)
8 URD-15S | 8 URD-15S ROUND MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 8 URD-15S
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![EWC Controls 10 URD-15S 10 URD-15S ROUND MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sm_57cf131f-5249-42e2-8844-ba86fc7f6ac8_medium.gif?v=1720038860)
10 URD-15S | 10 URD-15S ROUND MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 10 URD-15S
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![EWC Controls 7 URD-15S 7 URD-15S ROUND MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sm_eb48bfa2-ce0d-40d4-ab85-146203f06ad9_medium.gif?v=1720038861)
7 URD-15S | 7 URD-15S ROUND MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 7 URD-15S
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![EWC Controls 8 URD-SRE120 NC 8 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_b839a804-3264-4aa5-8405-78eacdc616be_medium.gif?v=1720038861)
8 URD-SRE120 NC | 8 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 8 URD-SRE120 NC
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![EWC Controls 8 URD-SRE24 VOLT NO 8 URD-SRE24 24V ROUND SPRING RETURN DAMPER – NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_a136cc2a-448d-4645-b84d-94d6818de4cc_medium.gif?v=1720038865)
8 URD-SRE24 VOLT NO | 8 URD-SRE24 24V ROUND SPRING RETURN DAMPER – NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 8 URD-SRE24 VOLT NO
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![HONEYWELL HOME MARD6/U Automatic Damper MARD Modulating 1 Blade 6 Inch Round Side or Top Galvanized Steel Floating | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/463434_4dffcf2c-9843-4d91-ab2b-9acae165f04c_medium.jpg?v=1720041013)
MARD6 / U | Automatic Damper MARD Modulating 1 Blade 6 Inch Round Side or Top Galvanized Steel Floating | HONEYWELL HOME
Brand: HONEYWELL HOME
SKU: MARD6/U
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![HONEYWELL HOME MARD10/U Automatic Damper MARD Modulating 1 Blade 10 Inch Round Side or Top Galvanized Steel Floating | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/379404_medium.jpg?v=1720041014)
MARD10 / U | Automatic Damper MARD Modulating 1 Blade 10 Inch Round Side or Top Galvanized Steel Floating | HONEYWELL HOME
Brand: HONEYWELL HOME
SKU: MARD10/U
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![Johnson Controls JDR-B4 DOOR,SBB-B4,WINDOW,BLACK | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_jci1_a057fc2a-93d8-4ef1-9e63-f769c50b73fc_medium.jpg?v=1720042760)
JDR-B4 | DOOR, SBB-B4, WINDOW, BLACK | Johnson Controls
Brand: Johnson Controls
SKU: JDR-B4
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![Johnson Controls 49HF-APPLC HIFISPKRAPPLONLYCEILING | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_jci1_f6f1de7a-a115-4f52-9210-3fd8109cd630_medium.jpg?v=1720042080)
49HF-APPLC | HIFISPKRAPPLONLYCEILING | Johnson Controls
Brand: Johnson Controls
SKU: 49HF-APPLC
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![iO HVAC Controls HD-1206-BM-PO 12 x 06 Two-Position Zone Damper -Bottom Mounted, Powered Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-XXXX-BM_d20ae319-2592-4411-aeb1-f207da9d7808_medium.jpg?v=1720041104)
HD-1206-BM-PO | 12 x 06 Two-Position Zone Damper -Bottom Mounted, Powered Open | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1206-BM-PO
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![iO HVAC Controls HD-1406-BM-PO 14 x 06 Two-Position Zone Damper - Bottom Mount - Powered Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-XXXX-BM_7f9f4001-6eae-4697-8758-b7a8915bb91f_medium.jpg?v=1720041100)
HD-1406-BM-PO | 14 x 06 Two-Position Zone Damper - Bottom Mount - Powered Open | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-1406-BM-PO
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![iO HVAC Controls HD-2018-BM-PO 20 x 18 Two-Position Zone Damper - Bottom Mount - Powered Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/HD-XXXX-BM_de57e79b-fed9-4b54-9aa5-631724ba051a_medium.jpg?v=1720041105)
HD-2018-BM-PO | 20 x 18 Two-Position Zone Damper - Bottom Mount - Powered Open | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-2018-BM-PO
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