Ewc No Motorized
We offer over 70 EWC HVAC products, including Bypass Dampers, Damper Controls & Accessories, Rectangular Dampers, Round Dampers, and Zoning Panels.
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![EWC Controls 20X8 ND-HD 20X8 ND-HD HAND DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_hd_9bc1cc9b-90ff-4329-83d0-466ef66f829b_medium.png?v=1720000512)
20X8 ND-HD | 20X8 ND-HD HAND DAMPER | EWC Controls
Brand: EWC Controls
SKU: 20X8 ND-HD
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![EWC Controls 14 CLBD 14 CLBD CONSTANT LOAD BY-PASS DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/clbd_3a3490db-3d26-461f-815c-a2daa64a154a_medium.png?v=1720000463)
14 CLBD | 14 CLBD CONSTANT LOAD BY-PASS DAMPER | EWC Controls
Brand: EWC Controls
SKU: 14 CLBD
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![EWC Controls 16 CLBD 16 CLBD CONSTANT LOAD BY-PASS DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/clbd_b61563ba-a200-4cf1-a3de-1bbb4ff41a9b_medium.png?v=1720000428)
16 CLBD | 16 CLBD CONSTANT LOAD BY-PASS DAMPER | EWC Controls
Brand: EWC Controls
SKU: 16 CLBD
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![EWC Controls 20X10 ND-HD 20X10 ND-HD HAND DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_hd_7f0be4e2-d1a9-4340-8f2e-1b98919ae7c5_medium.png?v=1720000473)
20X10 ND-HD | 20X10 ND-HD HAND DAMPER | EWC Controls
Brand: EWC Controls
SKU: 20X10 ND-HD
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![EWC Controls 20X8 PRD 20X8 Rectangular Manual Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/prd_5892f856-e9aa-42e8-9448-8e06abaaedb5_medium.gif?v=1720000477)
20X8 PRD | 20X8 Rectangular Manual Bypass Damper | EWC Controls
Brand: EWC Controls
SKU: 20X8 PRD
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![EWC Controls 12 CLBD 12 CLBD CONSTANT LOAD BY-PASS DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/clbd_5f3aca49-6e08-4a03-837e-f66fe6ffab93_medium.png?v=1720000398)
12 CLBD | 12 CLBD CONSTANT LOAD BY-PASS DAMPER | EWC Controls
Brand: EWC Controls
SKU: 12 CLBD
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![EWC Controls 12X8 ND-HD 12X8 ND-HD HAND DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_hd_08c21dc3-6675-4780-aace-0b4b316baaea_medium.png?v=1720000402)
12X8 ND-HD | 12X8 ND-HD HAND DAMPER | EWC Controls
Brand: EWC Controls
SKU: 12X8 ND-HD
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![EWC Controls 10 CLBD 10 CLBD CONSTANT LOAD BY-PASS DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/clbd_68509d98-dac0-49ec-9aea-9f188b6cd038_medium.png?v=1720000388)
10 CLBD | 10 CLBD CONSTANT LOAD BY-PASS DAMPER | EWC Controls
Brand: EWC Controls
SKU: 10 CLBD
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![EWC Controls 8 CLBD 8 CLBD CONSTANT LOAD BY-PASS DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/clbd_medium.png?v=1720000552)
8 CLBD | 8 CLBD CONSTANT LOAD BY-PASS DAMPER | EWC Controls
Brand: EWC Controls
SKU: 8 CLBD
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![EWC Controls 20X12 ND-HD 20X12 ND-HD HAND DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_hd_8b5f61ce-b652-43d9-8f22-19c1c5955960_medium.png?v=1720000487)
20X12 ND-HD | 20X12 ND-HD HAND DAMPER | EWC Controls
Brand: EWC Controls
SKU: 20X12 ND-HD
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![EWC Controls 12X12 ND-HD 12X12 ND-HD HAND DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_hd_fa1a31ad-8623-4b14-96c8-d99f9230e349_medium.png?v=1720000413)
12X12 ND-HD | 12X12 ND-HD HAND DAMPER | EWC Controls
Brand: EWC Controls
SKU: 12X12 ND-HD
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![EWC Controls 12X12 PRD 12X12 Rectangular Manual Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/prd_91021d16-9a35-4f42-bbde-c6ad273c539d_medium.gif?v=1720000447)
12X12 PRD | 12X12 Rectangular Manual Bypass Damper | EWC Controls
Brand: EWC Controls
SKU: 12X12 PRD
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![EWC Controls 12X8 PRD 12X8 Rectangular Manual Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/prd_2083d65d-33b7-4422-a0e0-2843c84baf02_medium.gif?v=1720000437)
12X8 PRD | 12X8 Rectangular Manual Bypass Damper | EWC Controls
Brand: EWC Controls
SKU: 12X8 PRD
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![EWC Controls 20X10 PRD 20X10 Rectangular Manual Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/prd_2a659cc6-0407-47a1-9e93-6f841051ba87_medium.gif?v=1720000463)
20X10 PRD | 20X10 Rectangular Manual Bypass Damper | EWC Controls
Brand: EWC Controls
SKU: 20X10 PRD
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![EWC Controls 10 PRD-RD 10 Inch Round Manual Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/bypass1_59c2469d-f9d8-450f-a14f-7765666156c8_medium.jpg?v=1720000418)
10 PRD-RD | 10 Inch Round Manual Bypass Damper | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 10 PRD-RD
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![EWC Controls 20X12 PRD 20X12 Rectangular Manual Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/prd_73c64b74-d884-4f16-aa1e-1fc72db51388_medium.gif?v=1720000487)
20X12 PRD | 20X12 Rectangular Manual Bypass Damper | EWC Controls
Brand: EWC Controls
SKU: 20X12 PRD
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![EWC Controls 12X10 PRD 12X10 Rectangular Manual Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/prd_medium.gif?v=1720000409)
12X10 PRD | 12X10 Rectangular Manual Bypass Damper | EWC Controls
Brand: EWC Controls
SKU: 12X10 PRD
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![EWC Controls 12 PRD-RD 12 Inch Round Manual Bypass Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/bypass1_dd493878-bd82-4df1-9ae8-213216dccdde_medium.jpg?v=1720000432)
12 PRD-RD | 12 Inch Round Manual Bypass Damper | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 12 PRD-RD
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