Damper actuators 28 x 28 Size (in)
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![EWC Controls 28X28 ND-RSD NO Rectangular Damper | 28X28 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_46683d15-4116-4ae9-918b-e0f935b11374_medium.png?v=1720000516)
28X28 ND-RSD NO | Rectangular Damper | 28X28 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 28X28 ND-RSD NO
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![EWC Controls 28X28 ND-RSD NC Rectangular Damper | 28X28 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_940522fe-e1cf-41d1-9c41-d58c7e094076_medium.png?v=1720000496)
28X28 ND-RSD NC | Rectangular Damper | 28X28 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 28X28 ND-RSD NC
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![EWC Controls 28X28 ND-15S 28X28 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_20b74036-faa9-4603-909f-9d9d7ef1b042_medium.png?v=1720094294)
28X28 ND-15S | 28X28 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 28X28 ND-15S
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AQW-ABBAAA1 | Analog, CO2, 2% RH | Senva Sensors (OBSOLETE)
Brand: Senva Sensors
SKU: AQW-ABBAAA1