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 18X16 ND Rectangular Damper | 18X16 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_a8246adb-c370-44f4-8c32-7bfec4d2fa46_medium.png?v=1720000474)
18X16 ND | Rectangular Damper | 18X16 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 18X16 ND
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![EWC Controls 10X8 ND Rectangular Damper | 10X8 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_1c9bfb1f-ffa6-4a44-b73a-9ce3a06e79ec_medium.png?v=1720000409)
10X8 ND | Rectangular Damper | 10X8 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 10X8 ND
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![EWC Controls 9 SID-15S 9 SID SLIP IN MA-15S DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/sid1_800b4a09-3b61-43c5-9dee-c8cb10445c02_medium.gif?v=1720038867)
9 SID-15S | 9 SID SLIP IN MA-15S DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 9 SID-15S
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![EWC Controls 4 URD-SRE24 VOLT NO 4 URD-SRE24 24V ROUND SPRING RETURN DAMPER – NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_a2e89ffb-54b6-496c-bd8c-3b8a7b4195b5_medium.gif?v=1720038867)
4 URD-SRE24 VOLT NO | 4 URD-SRE24 24V ROUND SPRING RETURN DAMPER – NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 4 URD-SRE24 VOLT NO
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![EWC Controls 5 URD-SRE24 VOLT NC 5 URD-SRE24 24V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_205b4348-ad9b-4a2a-b53b-a4e0f4306007_medium.gif?v=1720038868)
5 URD-SRE24 VOLT NC | 5 URD-SRE24 24V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 5 URD-SRE24 VOLT NC
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![EWC Controls PS4 PS-4 PRESSURE SWITCH | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/wpe5_12b178d3-8a1f-40e1-85cc-fcc90819f7af_medium.jpg?v=1709054611)
PS4 | PS-4 PRESSURE SWITCH | EWC Controls
Brand: EWC Controls
SKU: PS4
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![EWC Controls 5 URD-SRE24 VOLT NO 5 URD-SRE24 24V ROUND SPRING RETURN DAMPER – NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_0aa66517-4517-4e5a-9cb9-cad0ce66b35d_medium.gif?v=1720038866)
5 URD-SRE24 VOLT NO | 5 URD-SRE24 24V ROUND SPRING RETURN DAMPER – NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 5 URD-SRE24 VOLT NO
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![EWC Controls 6 SID-15S 6 SID SLIP IN MA-15S DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/sid1_4cc56026-a22c-494c-9397-c606963fbda6_medium.gif?v=1720038864)
6 SID-15S | 6 SID SLIP IN MA-15S DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 6 SID-15S
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![EWC Controls 9 URD-SRE24 VOLT NC 9 URD-SRE24 24V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_58deeee4-c39c-41c0-b031-cbf03113983f_medium.gif?v=1720038867)
9 URD-SRE24 VOLT NC | 9 URD-SRE24 24V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 9 URD-SRE24 VOLT NC
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![EWC Controls 4 SID-15S 4 SID SLIP IN MA-15S DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/sid1_61c50968-fdef-416f-b37d-1a6878dc296e_medium.gif?v=1720038864)
4 SID-15S | 4 SID SLIP IN MA-15S DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 4 SID-15S
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![EWC Controls 8 SID-15S 8 SID SLIP IN MA-15S DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/sid1_4f1dc4aa-8fbc-4b92-aff4-27e16fb961bb_medium.gif?v=1720038868)
8 SID-15S | 8 SID SLIP IN MA-15S DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 8 SID-15S
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![EWC Controls 5 SID-15S 5 SID SLIP IN MA-15S DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/sid1_33846554-1e42-41db-8a3f-7da5557f9223_medium.gif?v=1720038868)
5 SID-15S | 5 SID SLIP IN MA-15S DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 5 SID-15S
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![EWC Controls 10 URD-15S 10 URD-15S ROUND MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sm_57cf131f-5249-42e2-8844-ba86fc7f6ac8_medium.gif?v=1720038860)
10 URD-15S | 10 URD-15S ROUND MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 10 URD-15S
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![EWC Controls 7 URD-SRE24 VOLT NC 7 URD-SRE24 24V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_1806ac02-f9a6-4589-ad7e-3850c45359c0_medium.gif?v=1720038868)
7 URD-SRE24 VOLT NC | 7 URD-SRE24 24V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 7 URD-SRE24 VOLT NC
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![EWC Controls 8 URD-SRE24 VOLT NC 8 URD-SRE24 24V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_9b446b95-a714-4399-9dc3-9d2cb762e765_medium.gif?v=1720038867)
8 URD-SRE24 VOLT NC | 8 URD-SRE24 24V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 8 URD-SRE24 VOLT NC
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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 10 URD-SRE24 VOLT NC 10 URD-SRE24 24V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_01519d69-89a7-450f-96ed-8474f3cc76ae_medium.gif?v=1720038864)
10 URD-SRE24 VOLT NC | 10 URD-SRE24 24V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 10 URD-SRE24 VOLT NC
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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 4 URD-SRE24 VOLT NC 4 URD-SRE24 24V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_70ba00a2-4e37-4851-b5ca-e4f8dad5bf36_medium.gif?v=1720038866)
4 URD-SRE24 VOLT NC | 4 URD-SRE24 24V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 4 URD-SRE24 VOLT NC
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![EWC Controls 6 URD-SRE24 VOLT NC 6 URD-SRE24 24V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_0e9f3e28-dbb3-4731-8496-c1dfde9ab9ca_medium.gif?v=1720038865)
6 URD-SRE24 VOLT NC | 6 URD-SRE24 24V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 6 URD-SRE24 VOLT NC
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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 10 URD-SRE24 VOLT NO 10 URD-SRE24 24V ROUND SPRING RETURN DAMPER – NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_b86ef8cd-f810-4289-9497-453b80f9444c_medium.gif?v=1720038867)
10 URD-SRE24 VOLT NO | 10 URD-SRE24 24V ROUND SPRING RETURN DAMPER – NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 10 URD-SRE24 VOLT NO
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CWLSXX | CO2 | Wall | LCD | Veris (OBSOLETE)
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