Ewc Spring return (nc) Spring return
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 18X14 ND-RSD NC Rectangular Damper | 18X14 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_00a86510-767c-414f-ba93-d5026ab9fbda_medium.png?v=1720000468)
18X14 ND-RSD NC | Rectangular Damper | 18X14 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 18X14 ND-RSD NC
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![EWC Controls 18X10 ND-RSD NC Rectangular Damper | 18X10 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_25ecdc06-fc55-4f87-806a-0ec8d16cd0f6_medium.png?v=1720000481)
18X10 ND-RSD NC | Rectangular Damper | 18X10 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 18X10 ND-RSD NC
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![EWC Controls 18X6 ND-RSD NC Rectangular Damper | 18X6 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_97020746-7291-43e3-95aa-5b8c20b7481a_medium.png?v=1720000497)
18X6 ND-RSD NC | Rectangular Damper | 18X6 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 18X6 ND-RSD NC
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![EWC Controls 16X14 ND-RSD NC Rectangular Damper | 16X14 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_2785b0fd-3811-4035-8ada-9de8c8933d7a_medium.png?v=1720000477)
16X14 ND-RSD NC | Rectangular Damper | 16X14 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 16X14 ND-RSD NC
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![EWC Controls 16X12 ND-RSD NC Rectangular Damper | 16X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_d3b2ef36-c3fb-40f4-957f-e878547a32b9_medium.png?v=1720000446)
16X12 ND-RSD NC | Rectangular Damper | 16X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 16X12 ND-RSD NC
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![EWC Controls 16X6 ND-RSD NC Rectangular Damper | 16X6 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_e0574163-c4aa-427f-9ab2-cf159bb206a4_medium.png?v=1720000447)
16X6 ND-RSD NC | Rectangular Damper | 16X6 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 16X6 ND-RSD NC
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![EWC Controls 12X6 ND-RSD NC Rectangular Damper | 12X6 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_40f6aa37-a437-4f8d-83dc-41040f73f758_medium.png?v=1720000403)
12X6 ND-RSD NC | Rectangular Damper | 12X6 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 12X6 ND-RSD NC
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