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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![Midland Metal Mfg. 62478B1 2 1000# T-304 BARSTOCK CAP | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/62470B1_7019fa23-b51b-4536-bc59-eb598d559e24_medium.jpg?v=1708960144)
62478B1 | 2 1000# T-304 BARSTOCK CAP | Midland Metal Mfg.
Brand: Midland Metal Mfg.
SKU: 62478B1
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![Midland Metal Mfg. 62477B1 1-1/2 1000# T-304 BARSTOCK CAP | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/62470B1_8372a322-27c9-4975-a9e2-58644a5cf0bd_medium.jpg?v=1708960259)
62477B1 | 1-1 / 2 1000# T-304 BARSTOCK CAP | Midland Metal Mfg.
Brand: Midland Metal Mfg.
SKU: 62477B1
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![Midland Metal Mfg. 62476B1 1-1/4 1000# T-304 BARSTOCK CAP | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/62470B1_d5f88e29-82ff-4690-9141-242e06166c9a_medium.jpg?v=1708960158)
62476B1 | 1-1 / 4 1000# T-304 BARSTOCK CAP | Midland Metal Mfg.
Brand: Midland Metal Mfg.
SKU: 62476B1
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![Midland Metal Mfg. 62475B1 1 1000# T-304 BARSTOCK CAP | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/62470B1_457adacb-689a-4bc8-b6eb-ae26816cdcf8_medium.jpg?v=1708960144)
62475B1 | 1 1000# T-304 BARSTOCK CAP | Midland Metal Mfg.
Brand: Midland Metal Mfg.
SKU: 62475B1
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![Midland Metal Mfg. 62473B1 1/2 1000# T-304 BARSTOCK CAP | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/62470B1_f99dcfd0-e4a6-441c-91a7-484bdb8a5477_medium.jpg?v=1708960158)
62473B1 | 1 / 2 1000# T-304 BARSTOCK CAP | Midland Metal Mfg.
Brand: Midland Metal Mfg.
SKU: 62473B1
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![Midland Metal Mfg. 62472B1 3/8 1000# T-304 BARSTOCK CAP | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/62470B1_medium.jpg?v=1708960231)
62472B1 | 3 / 8 1000# T-304 BARSTOCK CAP | Midland Metal Mfg.
Brand: Midland Metal Mfg.
SKU: 62472B1
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![Midland Metal Mfg. 62471B1 1/4 1000# T-304 BARSTOCK CAP | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/62470B1_7edc20fd-83d6-4b75-a581-b4e4126ae9e1_medium.jpg?v=1708960137)
62471B1 | 1 / 4 1000# T-304 BARSTOCK CAP | Midland Metal Mfg.
Brand: Midland Metal Mfg.
SKU: 62471B1
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![Midland Metal Mfg. 62470B1 1/8 1000# T-304 BARSTOCK CAP | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/62470B1_dee7d470-bb8a-46f4-82ac-a19ac2c0896d_medium.jpg?v=1708960157)
62470B1 | 1 / 8 1000# T-304 BARSTOCK CAP | Midland Metal Mfg.
Brand: Midland Metal Mfg.
SKU: 62470B1
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![EWC Controls 16 PRD-RD 16 Inch Round Manual Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/bypass1_9267efb0-8221-488c-966b-0ab300f961cd_medium.jpg?v=1713902469)
16 PRD-RD | 16 Inch Round Manual Bypass Damper | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 16 PRD-RD
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![EWC Controls 12 PRD-RD 12 Inch Round Manual Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/bypass1_c41b012f-638d-4262-afd2-5182d519d2a0_medium.jpg?v=1713902348)
12 PRD-RD | 12 Inch Round Manual Bypass Damper | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 12 PRD-RD
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![EWC Controls 8 PRD-RD 8 Inch Round Manual Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/bypass1_a0ef42ce-9fe2-455c-9eac-0d5e396419d7_medium.jpg?v=1713902490)
8 PRD-RD | 8 Inch Round Manual Bypass Damper | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 8 PRD-RD
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![EWC Controls 9 SID 9 Inch Slip In Retrofit Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/sid1_medium.gif?v=1713902498)
9 SID | 9 Inch Slip In Retrofit Damper | EWC Controls
Brand: EWC Controls
SKU: 9 SID
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![EWC Controls 7 SID 7 Inch Slip In Retrofit Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/sid1_554b1c4d-6157-4260-b9a6-f5c644a7a56f_medium.gif?v=1713902519)
7 SID | 7 Inch Slip In Retrofit Damper | EWC Controls
Brand: EWC Controls
SKU: 7 SID
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![EWC Controls 5 SID 5 Inch Slip In Retrofit Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/sid1_cb8217e4-4694-43c2-8aae-04c9fce0fb4a_medium.gif?v=1713902510)
5 SID | 5 Inch Slip In Retrofit Damper | EWC Controls
Brand: EWC Controls
SKU: 5 SID
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![EWC Controls 9 URD-SRE120 N.C. 9 Inch 120V Round Motorized Spring Return Damper Normally Closed | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_389564bf-17f7-4de1-a505-df43cf46a529_medium.gif?v=1713902515)
9 URD-SRE120 N.C. | 9 Inch 120V Round Motorized Spring Return Damper Normally Closed | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 9 URD-SRE120 N.C.
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![EWC Controls 7 URD-SRE120 N.C. 7 Inch 120V Round Motorized Spring Return Damper Normally Closed | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_076914a0-0603-4789-ad3e-bb5c79da3ee8_medium.gif?v=1713902527)
7 URD-SRE120 N.C. | 7 Inch 120V Round Motorized Spring Return Damper Normally Closed | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 7 URD-SRE120 N.C.
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![EWC Controls 5 URD-SRE120 N.C. 5 Inch 120V Round Motorized Spring Return Damper Normally Closed | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_b59bf5c6-392a-49d0-8402-2d92eabe628c_medium.gif?v=1713902490)
5 URD-SRE120 N.C. | 5 Inch 120V Round Motorized Spring Return Damper Normally Closed | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 5 URD-SRE120 N.C.
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![EWC Controls 4 URD-SRE120 N.C. 4 Inch 120V Round Motorized Spring Return Damper Normally Closed | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_d13e9463-bd37-43ac-8970-60221ea9cf75_medium.gif?v=1713902452)
4 URD-SRE120 N.C. | 4 Inch 120V Round Motorized Spring Return Damper Normally Closed | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 4 URD-SRE120 N.C.
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![EWC Controls 10 URD-SRE120 N.O. 10 Inch 120V Round Motorized Spring Return Damper Normally Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_209ea005-1b16-42a9-8dfa-1c28fb794f74_medium.gif?v=1713902272)
10 URD-SRE120 N.O. | 10 Inch 120V Round Motorized Spring Return Damper Normally Open | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 10 URD-SRE120 N.O.
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![EWC Controls 9 URD-SRE120 N.O. 9 Inch 120V Round Motorized Spring Return Damper Normally Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_e597fae0-139c-4a62-996c-1875a25cf942_medium.gif?v=1713902507)
9 URD-SRE120 N.O. | 9 Inch 120V Round Motorized Spring Return Damper Normally Open | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 9 URD-SRE120 N.O.
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![EWC Controls 8 URD-SRE120 N.O. 8 Inch 120V Round Motorized Spring Return Damper Normally Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_8a090870-284c-4309-b240-e2b5e8ef1374_medium.gif?v=1713902519)
8 URD-SRE120 N.O. | 8 Inch 120V Round Motorized Spring Return Damper Normally Open | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 8 URD-SRE120 N.O.
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![EWC Controls 7 URD-SRE120 N.O. 7 Inch 120V Round Motorized Spring Return Damper Normally Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_b3b790ee-a40d-4b5c-bab9-a375ce0c857f_medium.gif?v=1713902494)
7 URD-SRE120 N.O. | 7 Inch 120V Round Motorized Spring Return Damper Normally Open | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 7 URD-SRE120 N.O.
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![EWC Controls 4 URD-SRE120 N.O. 4 Inch 120V Round Motorized Spring Return Damper Normally Open | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_0d9819ba-fb66-48ba-a63a-cedb944b9578_medium.gif?v=1713902480)
4 URD-SRE120 N.O. | 4 Inch 120V Round Motorized Spring Return Damper Normally Open | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 4 URD-SRE120 N.O.
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![iO HVAC Controls EB-07 7" Heavy Duty Motorized Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/iO-EB-XX_cf608979-a3d7-463d-8fc8-34cef74bf748_medium.jpg?v=1708912502)
EB-07 | 7" Heavy Duty Motorized Bypass Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: EB-07
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