Rectangular motorized dampers 30 x 20 Size (in)
Over 1,500 rectangular motorized duct dampers by Braeburn, Honeywell, iO HVAC Controls, and EWC Controls in our stock are available to purchase.
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![EWC Controls 30X20 ND Rectangular Damper | 30X20 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/nd_42fc6889-7eeb-4acb-933b-2ac2061e2f5e_medium.png?v=1710946405)
30X20 ND | Rectangular Damper | 30X20 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 30X20 ND
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![EWC Controls 30X20 ND-RSD NC Rectangular Damper | 30X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_2b050bcc-2b10-4410-9a29-e8a74b6837fd_medium.png?v=1713902480)
30X20 ND-RSD NC | Rectangular Damper | 30X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 30X20 ND-RSD NC
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![EWC Controls 30X20 ND-15S 30X20 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_2c50bf10-15d9-4c0f-b9ef-ee3593b22240_medium.png?v=1713902244)
30X20 ND-15S | 30X20 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 30X20 ND-15S
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![iO HVAC Controls MD-3020-BM 30" x 20" Rectangular 2 Position Zone- Bottom Mount Damper - Belimo 3 Wire Actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-MDXXXX_ad458c72-004c-4d0a-b7f8-6f349e8e25b4_medium.jpg?v=1708912739)
MD-3020-BM | 30" x 20" Rectangular 2 Position Zone- Bottom Mount Damper - Belimo 3 Wire Actuator | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MD-3020-BM
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![iO HVAC Controls HD-3020-PO 30 x 20 Two-Position Zone Damper Powered Open/Spring Closed | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_351ff66a-e62e-4851-af57-a6cda58433f6_medium.jpg?v=1715804961)
HD-3020-PO | 30 x 20 Two-Position Zone Damper Powered Open / Spring Closed | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-3020-PO
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![iO HVAC Controls TD-3020 Trane 30 x 20 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-TDXXXX_90b47b10-f1e5-4334-af45-95e51838ea2d_medium.jpg?v=1708912794)
TD-3020 | Trane 30 x 20 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: TD-3020
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![iO HVAC Controls MD-3020 MD Series 30x20 (3) Wire Damper PO/PC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-MDXXXX_75a7837d-0153-433f-b67b-2ad7c68d9524_medium.jpg?v=1708912738)
MD-3020 | MD Series 30x20 (3) Wire Damper PO / PC | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MD-3020
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![iO HVAC Controls HD-3020-BM Rectangular 30 x 20 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_d36f8ae2-598b-4dd6-b661-77b30fb1d8fe_medium.jpg?v=1715804893)
HD-3020-BM | Rectangular 30 x 20 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-3020-BM
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![iO HVAC Controls HD-3020 Rectangular 30 x 20 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/iO-HDXXXX_a8cbcc35-2ef7-4d92-948f-608ff42009a3_medium.jpg?v=1715804953)
HD-3020 | Rectangular 30 x 20 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: HD-3020
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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 CD-3020-BM Carrier 30 x 20 Rectangular Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-CDXXXX_a0da6236-216b-4fc9-8cf0-ad9ede2bf3ef_medium.jpg?v=1708912387)
CD-3020-BM | Carrier 30 x 20 Rectangular Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: CD-3020-BM
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![EWC Controls 30X20 ND-RSD NO Rectangular Damper | 30X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_b57f2c73-793c-4a63-b3dd-be19e6e179ca_medium.png?v=1713902493)
30X20 ND-RSD NO | Rectangular Damper | 30X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 30X20 ND-RSD NO
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