ewc
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 20X12 SBD 20X12 SBD SMART BYPASS DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/sbd_nd_df137108-32dd-4510-9332-95555c83008e_medium.png?v=1720000478)
20X12 SBD | 20X12 SBD SMART BYPASS DAMPER | EWC Controls
Brand: EWC Controls
SKU: 20X12 SBD
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![EWC Controls 14 SBD 14 SBD SMART BYPASS DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/sbd_5f25659d-5b24-4bf1-b7d3-afd2e46bbd68_medium.png?v=1713902360)
14 SBD | 14 SBD SMART BYPASS DAMPER | EWC Controls
Brand: EWC Controls
SKU: 14 SBD
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![EWC Controls 18 SBD 18 SBD SMART BYPASS DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/sbd_0da99637-e9f0-450f-afcf-62069e8cf99d_medium.png?v=1713902390)
18 SBD | 18 SBD SMART BYPASS DAMPER | EWC Controls
Brand: EWC Controls
SKU: 18 SBD
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![EWC Controls 12X10 SBD 12X10 SBD SMART BYPASS DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/sbd_nd_e9258a05-f7fd-4528-a8e8-44e037082a1b_medium.png?v=1720000399)
12X10 SBD | 12X10 SBD SMART BYPASS DAMPER | EWC Controls
Brand: EWC Controls
SKU: 12X10 SBD
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![EWC Controls 9 URD-SRE24 VOLT N.C. 9 URD-SRE24 24V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_b556d550-2d3d-4add-a4b0-7476750f68d8_medium.gif?v=1720000546)
9 URD-SRE24 VOLT N.C. | 9 URD-SRE24 24V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 9 URD-SRE24 VOLT N.C.
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![EWC Controls 12 RD-HD 12 RD-HD HAND DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/rd_hd_1986d312-c34a-463a-8d41-8fa3d6fce91f_medium.png?v=1713902325)
12 RD-HD | 12 RD-HD HAND DAMPER | EWC Controls
Brand: EWC Controls
SKU: 12 RD-HD
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![EWC Controls 16 URD-MA15S 16 URD-MA15S ROUND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sm_47271371-12d5-4333-a340-9ccd3ccd4639_medium.gif?v=1713902382)
16 URD-MA15S | 16 URD-MA15S ROUND MOTORIZED DAMPER | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 16 URD-MA15S
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![EWC Controls 20X8 SBD 20X8 SBD SMART BYPASS DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/sbd_nd_95a62268-5cd9-405f-a425-451c03bbb471_medium.png?v=1720000522)
20X8 SBD | 20X8 SBD SMART BYPASS DAMPER | EWC Controls
Brand: EWC Controls
SKU: 20X8 SBD
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![EWC Controls 20 SBD 20 SBD SMART BYPASS DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/sbd_9a0570bd-6615-439c-bb0d-11afd7f56bd7_medium.png?v=1713902400)
20 SBD | 20 SBD SMART BYPASS DAMPER | EWC Controls
Brand: EWC Controls
SKU: 20 SBD
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![EWC Controls 16 SBD 16 SBD SMART BYPASS DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/sbd_28ffa049-eabe-445f-bb19-046c19f4b793_medium.png?v=1713902376)
16 SBD | 16 SBD SMART BYPASS DAMPER | EWC Controls
Brand: EWC Controls
SKU: 16 SBD
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![EWC Controls 10 SBD 10 SBD SMART BYPASS DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/sbd_medium.png?v=1713902325)
10 SBD | 10 SBD SMART BYPASS DAMPER | EWC Controls
Brand: EWC Controls
SKU: 10 SBD
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![EWC Controls 6 URD-SRE24 VOLT N.C. 6 URD-SRE24 24V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_549fa919-ad03-446a-827c-040fca423027_medium.gif?v=1720000556)
6 URD-SRE24 VOLT N.C. | 6 URD-SRE24 24V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 6 URD-SRE24 VOLT N.C.
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![EWC Controls 5 URD-SRE24 VOLT N.C. 5 URD-SRE24 24V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_6ea9c934-9d57-4c07-aa72-1c98cb65cdd4_medium.gif?v=1720094304)
5 URD-SRE24 VOLT N.C. | 5 URD-SRE24 24V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 5 URD-SRE24 VOLT N.C.
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![EWC Controls 4 URD-SRE24 VOLT N.C. 4 URD-SRE24 24V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_2470d5e0-37e2-45f1-9488-d37ea0f7ab7e_medium.gif?v=1720000522)
4 URD-SRE24 VOLT N.C. | 4 URD-SRE24 24V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 4 URD-SRE24 VOLT N.C.
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![EWC Controls 6 URD-SRE24 VOLT N.O. 6 URD-SRE24 24V ROUND SPRING RETURN DAMPER – NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_1d3705fd-5698-4875-a650-a25f1e418882_medium.gif?v=1720000526)
6 URD-SRE24 VOLT N.O. | 6 URD-SRE24 24V ROUND SPRING RETURN DAMPER – NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 6 URD-SRE24 VOLT N.O.
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![EWC Controls 5 URD-SRE24 VOLT N.O. 5 URD-SRE24 24V ROUND SPRING RETURN DAMPER – NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_9fd8b38b-5de7-4fe2-bb4d-19e875aa448a_medium.gif?v=1720000557)
5 URD-SRE24 VOLT N.O. | 5 URD-SRE24 24V ROUND SPRING RETURN DAMPER – NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 5 URD-SRE24 VOLT N.O.
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![EWC Controls 18 URD-MA15S 18 URD-MA15S ROUND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sm_d6f6cc21-629e-410f-8e8b-553585556854_medium.gif?v=1713902400)
18 URD-MA15S | 18 URD-MA15S ROUND MOTORIZED DAMPER | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 18 URD-MA15S
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![EWC Controls ECONET-3 RHEEM ECONET-3 CONTROL PANEL | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/ewc_e29e3e75-43b0-4940-8f0b-dc170edb6902_medium.gif?v=1713902519)
ECONET-3 | RHEEM ECONET-3 CONTROL PANEL | EWC Controls
Brand: EWC Controls
SKU: ECONET-3
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![EWC Controls MA-SRE24 MA-SRE 2 Wire Spring Return Motor / 24V | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/access6_medium.jpg?v=1713902503)
MA-SRE24 | MA-SRE 2 Wire Spring Return Motor / 24V | EWC Controls
Brand: EWC Controls
SKU: MA-SRE24
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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_5d7660fa-0781-41c2-867d-faa03f84791e_medium.gif?v=1720000560)
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_1ac64925-c313-44de-b14c-2565792096b0_medium.gif?v=1719987489)
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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