Round motorized dampers 18 Size (in)
Round motorized dampers for HVAC systems. For automated control of airflow in round ductwork. Actuator-driven butterfly or louvered dampers available, shop now!
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![EWC Controls 18 URD 18 Inch Round Motorized Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sm_c01affdc-f39d-47a7-9a91-93b6d178b8d2_medium.gif?v=1713902400)
18 URD | 18 Inch Round Motorized Damper | EWC Controls
Brand: EWC Controls
SKU: 18 URD
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![EWC Controls 18 EBD 18 Inch Round Electronic Static Pressure Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/ebd-round_3ed7f0e6-5105-4a57-98bd-ba1f4dbeff39_medium.gif?v=1713902397)
18 EBD | 18 Inch Round Electronic Static Pressure Bypass Damper | EWC Controls
Brand: EWC Controls
SKU: 18 EBD
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![iO HVAC Controls EB-18 Electronic 18" Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-EB-XX_5f3444df-8e7a-4d03-8ea1-f011d69fa77c_medium.jpg?v=1708912460)
EB-18 | Electronic 18" Bypass Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: EB-18
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![iO HVAC Controls MD-18 MD Series 18" Round 3 Wire Damper PO/PC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-MDXX_5e8f68ab-3a59-43f9-ab55-e0967ffe4197_medium.jpg?v=1708912733)
MD-18 | MD Series 18" Round 3 Wire Damper PO / PC | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MD-18
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![Braeburn 129018 Round Damper | 18" Round Motorized Damper Spring Return - Normally Closed | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/PO_SR-Round_3cae4450-b02d-4d04-96c0-27418a93fba2_medium.jpg?v=1708892717)
129018 | Round Damper | 18" Round Motorized Damper Spring Return - Normally Closed | Braeburn
Brand: Braeburn
SKU: 129018
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![Braeburn 119018 Round Damper | 18" Round Motorized Damper Spring Return - Normally Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/PC_SR-Round_a85b2a5f-9223-441a-b744-027dcc9407bd_medium.jpg?v=1708892753)
119018 | Round Damper | 18" Round Motorized Damper Spring Return - Normally Open | Braeburn
Brand: Braeburn
SKU: 119018
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![Braeburn 109018 Round Damper | 18" Round Motorized Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/PO_PC-Round_1bb000ad-4c56-4d01-997b-fa97129f99b3_medium.jpg?v=1708892696)
109018 | Round Damper | 18" Round Motorized Damper | Braeburn
Brand: Braeburn
SKU: 109018
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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/products/urd-sm_ffde7a23-281d-4dc6-ae22-010a0280a4a7_medium.gif?v=1709054572)
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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![iO HVAC Controls RM-18 Rheem 18" Round Zone Damper, 35 second Belimo actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/RheemRound_d0f9969f-bc7e-400e-b79c-e1494a78d4f2_medium.jpg?v=1708912733)
RM-18 | Rheem 18" Round Zone Damper, 35 second Belimo actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: RM-18
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![iO HVAC Controls TD-18 Trane 18" Round Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-TDXX_f63216ad-f24b-4bad-b9e2-61c59efcfd8d_medium.jpg?v=1708912785)
TD-18 | Trane 18" Round Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TD-18
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![iO HVAC Controls D-Z1-18 Zone One 18" Damper Assembly | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-DZ-XX_web_c5fe9f2e-dde4-4dc7-b19d-ce5691ca617b_medium.jpg?v=1708912511)
D-Z1-18 | Zone One 18" Damper Assembly | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-Z1-18
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![iO HVAC Controls D-18-PO Round 18" Fresh Air Damper, 24V, PO/SC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DXX_eb95b627-c08d-4e81-bc82-2acbdb74ee4d_medium.jpg?v=1715804844)
D-18-PO | Round 18" Fresh Air Damper, 24V, PO / SC | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-18-PO
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![iO HVAC Controls D-18 Round 18" Zone Damper, 2 Wire,24V, PC/SO | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-DXX_e04f1533-5494-4c64-9270-93f9fc5683c7_medium.jpg?v=1715804864)
D-18 | Round 18" Zone Damper, 2 Wire, 24V, PC / SO | iO HVAC Controls
Brand: iO HVAC Controls
SKU: D-18
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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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