Ewc Round Shape
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 10 SID-15S 10 SID SLIP IN MA-15S DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/sid1_82b83ea5-57e7-4ff0-bc5c-072f6950669e_medium.gif?v=1720038865)
10 SID-15S | 10 SID SLIP IN MA-15S DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 10 SID-15S
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![EWC Controls 7 SID-15S 7 SID SLIP IN MA-15S DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/sid1_a2245fcf-9c58-4ccb-aff1-ef0f08da0a98_medium.gif?v=1720038865)
7 SID-15S | 7 SID SLIP IN MA-15S DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 7 SID-15S
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![EWC Controls 6 URD-15S 6 URD-15S ROUND MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sm_3fd1ebfe-3c5d-4159-9b8b-893a14fdeea2_medium.gif?v=1720038859)
6 URD-15S | 6 URD-15S ROUND MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 6 URD-15S
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![EWC Controls 9 URD-15S 9 URD-15S ROUND MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sm_135431dd-a76d-4e7c-8322-90dac4bf8352_medium.gif?v=1720038860)
9 URD-15S | 9 URD-15S ROUND MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 9 URD-15S
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![EWC Controls 4 URD-SRE120 NC 4 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_4f9cd851-bf37-4d43-a028-c981c7725a4f_medium.gif?v=1720038865)
4 URD-SRE120 NC | 4 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 4 URD-SRE120 NC
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![EWC Controls 8 URD-15S 8 URD-15S ROUND MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sm_cbfc54a4-0570-481a-8206-881895e38edf_medium.gif?v=1720038859)
8 URD-15S | 8 URD-15S ROUND MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 8 URD-15S
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![EWC Controls 12 URD-15S 12 URD-15S ROUND MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sm_9d180ef5-91fc-4f18-8d40-6d4cb76d1b9e_medium.gif?v=1720038862)
12 URD-15S | 12 URD-15S ROUND MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 12 URD-15S
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![EWC Controls 5 URD-SRE120 NO 5 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_941a8628-b5a1-4a0f-8daf-61e0525c075d_medium.gif?v=1720038858)
5 URD-SRE120 NO | 5 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 5 URD-SRE120 NO
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![EWC Controls 9 URD-SRE120 NC 9 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_47c7d2ee-1d25-4347-a3c2-7cba03a15dc5_medium.gif?v=1720038861)
9 URD-SRE120 NC | 9 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 9 URD-SRE120 NC
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![EWC Controls 7 URD-SRE120 NC 7 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_d3510444-dcb1-4cc1-81e1-3fb8bceb3d88_medium.gif?v=1720038862)
7 URD-SRE120 NC | 7 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 7 URD-SRE120 NC
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![EWC Controls 16 URD-15S 16 URD-15S ROUND MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sm_14213757-0df8-4461-92fa-6209c3ddb3a3_medium.gif?v=1720038860)
16 URD-15S | 16 URD-15S ROUND MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 16 URD-15S
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![EWC Controls 7 URD-SRE120 NO 7 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_c0a6441e-38ff-402c-98cd-743148c540f9_medium.gif?v=1720038858)
7 URD-SRE120 NO | 7 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 7 URD-SRE120 NO
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![EWC Controls 6 URD-SRE120 NO 6 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_1005a6dc-e940-491a-baf7-5bce88b15c76_medium.gif?v=1720038864)
6 URD-SRE120 NO | 6 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 6 URD-SRE120 NO
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![EWC Controls 20 URD-15S 20 URD-15S ROUND MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sm_74f8f80d-d78f-4f38-a9a8-83e4e005496e_medium.gif?v=1720038858)
20 URD-15S | 20 URD-15S ROUND MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 20 URD-15S
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![EWC Controls 8 URD-SRE120 NO 8 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_e6c56369-6633-4676-8067-990205684685_medium.gif?v=1720038863)
8 URD-SRE120 NO | 8 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 8 URD-SRE120 NO
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![EWC Controls 8 URD-SRE120 NC 8 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_b839a804-3264-4aa5-8405-78eacdc616be_medium.gif?v=1720038861)
8 URD-SRE120 NC | 8 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 8 URD-SRE120 NC
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![EWC Controls 6 URD-SRE120 NC 6 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_2a60f65b-cc34-41ba-b7b6-bc0eb5d598be_medium.gif?v=1720038862)
6 URD-SRE120 NC | 6 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 6 URD-SRE120 NC
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![EWC Controls 5 URD-SRE120 NC 5 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_1b51af3d-34c6-4c6e-a389-1e257d05d4c5_medium.gif?v=1720038861)
5 URD-SRE120 NC | 5 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 5 URD-SRE120 NC
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![EWC Controls 10 URD-SRE120 NC 10 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_e6cc34e9-02e0-46cc-b6a0-513026c53620_medium.gif?v=1720038862)
10 URD-SRE120 NC | 10 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 10 URD-SRE120 NC
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![EWC Controls 4 URD-SRE120 NO 4 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_9248dbcd-70cc-44f6-a95b-0e26cfc9f73f_medium.gif?v=1720038858)
4 URD-SRE120 NO | 4 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 4 URD-SRE120 NO
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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/files/urd-sm_31453907-512a-4d4d-a102-de34a9bc0b2b_medium.gif?v=1720038857)
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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![EWC Controls 14 URD-15S 14 URD-15S ROUND MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sm_6c774a0a-bc2c-4caf-88d4-b39f1eb32ec8_medium.gif?v=1720038862)
14 URD-15S | 14 URD-15S ROUND MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 14 URD-15S
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![EWC Controls 9 URD-SRE120 NO 9 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_c2faddd7-4a9a-46a9-ad18-7f757b4c73e5_medium.gif?v=1720038864)
9 URD-SRE120 NO | 9 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 9 URD-SRE120 NO
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![EWC Controls 7 URD-15S 7 URD-15S ROUND MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sm_eb48bfa2-ce0d-40d4-ab85-146203f06ad9_medium.gif?v=1720038861)
7 URD-15S | 7 URD-15S ROUND MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 7 URD-15S
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4 URD | 4 Inch Round Motorized Damper | EWC Controls
Brand: EWC Controls
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171CBU98090 | UNITY M1E SERIAL 232/485 | Square D by Schneider Electric
Brand: Square D
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R810-641-REV2 | Solid state relay with heatsink 600 V, 45 A | Viconics
Brand: Viconics
SKU: R810-641-REV2