dampers
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![EWC Controls 16X20 ND-RSD NC Rectangular Damper | 16X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_d57493af-7a8d-4a99-b40e-3b21dd539540_medium.png?v=1720000428)
16X20 ND-RSD NC | Rectangular Damper | 16X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 16X20 ND-RSD NC
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![EWC Controls 12X6 ND-RSD NO Rectangular Damper | 12X6 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_01a7f190-cae7-4313-8e8d-673d42cbf06e_medium.png?v=1720000423)
12X6 ND-RSD NO | Rectangular Damper | 12X6 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 12X6 ND-RSD NO
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![EWC Controls 12X10 ND Rectangular Damper | 12X10 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_ae8e5569-78cb-4ff5-b9ba-0b0392fa0e73_medium.png?v=1720000424)
12X10 ND | Rectangular Damper | 12X10 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 12X10 ND
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![EWC Controls 12 RSD 12 Inch Round Motorized Spring Return Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/rsd_medium.png?v=1720000423)
12 RSD | 12 Inch Round Motorized Spring Return Damper | EWC Controls
Brand: EWC Controls
SKU: 12 RSD
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![EWC Controls 8X20 ND-15S 8X20 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_aaca50ad-5b11-43d1-8c64-eeeb2296bf9e_medium.png?v=1720000423)
8X20 ND-15S | 8X20 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 8X20 ND-15S
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![EWC Controls 10X6 ND-RSD NO Rectangular Damper | 10X6 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_43e85a78-af35-4508-9310-555d51fea5d5_medium.png?v=1720000419)
10X6 ND-RSD NO | Rectangular Damper | 10X6 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 10X6 ND-RSD NO
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![EWC Controls 14X20 ND-RSD NC Rectangular Damper | 14X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_b8ffafe2-7fef-418d-a7fb-57b0796cdccf_medium.png?v=1720000414)
14X20 ND-RSD NC | Rectangular Damper | 14X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 14X20 ND-RSD NC
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![EWC Controls 12X18 ND-RSD NC Rectangular Damper | 12X18 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_74f25bad-3048-49cf-a6c6-ac8bf459e97c_medium.png?v=1720000404)
12X18 ND-RSD NC | Rectangular Damper | 12X18 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 12X18 ND-RSD NC
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![EWC Controls 10X22 ND Rectangular Damper | 10X22 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_6d3d2f87-d0fd-4b8b-9565-6b27960f92ac_medium.png?v=1720000403)
10X22 ND | Rectangular Damper | 10X22 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 10X22 ND
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![EWC Controls 12X20 ND Rectangular Damper | 12X20 ND MOTORIZED DAMPER | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_93b28d2b-25ae-4785-8c61-5738c3e6340b_medium.png?v=1720000403)
12X20 ND | Rectangular Damper | 12X20 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 12X20 ND
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![EWC Controls 10 SID 10 Inch Slip In Retrofit Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/sid1_6933244f-d8ff-461c-978c-0df37c90b5e2_medium.gif?v=1720000388)
10 SID | 10 Inch Slip In Retrofit Damper | EWC Controls
Brand: EWC Controls
SKU: 10 SID
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![EWC Controls 10X12 ND-RSD NO Rectangular Damper | 10X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_94a9ea21-1871-4b4e-985a-ed3acc34a964_medium.png?v=1720000387)
10X12 ND-RSD NO | Rectangular Damper | 10X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls
Brand: EWC Controls
SKU: 10X12 ND-RSD NO
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![EWC Controls 10X12 ND-RSD NC Rectangular Damper | 10X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_379d6605-c8ff-4cef-b3e7-27afb95847b2_medium.png?v=1720094298)
10X12 ND-RSD NC | Rectangular Damper | 10X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 10X12 ND-RSD NC
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![EWC Controls 10 RSD 10 Inch Round Motorized Spring Return Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/rsd_cd2af79a-a40a-4bf4-9f28-4454ba9502e3_medium.png?v=1720000371)
10 RSD | 10 Inch Round Motorized Spring Return Damper | EWC Controls
Brand: EWC Controls
SKU: 10 RSD
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![EWC Controls 12X18 ND-15S 12X18 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_61f801dd-bd72-4cd8-a483-a41d5abc06ba_medium.png?v=1720000330)
12X18 ND-15S | 12X18 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 12X18 ND-15S
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![EWC Controls 10X8 ND-15S 10X8 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd_10c2e013-861d-4ea6-a600-07dd17bd2873_medium.png?v=1720000326)
10X8 ND-15S | 10X8 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 10X8 ND-15S
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![Johnson Controls M9220-BGA-3 DAMPER ACTUATOR 20 NM SR; 20 NM SR ACTUATOR ON-OFF 24 VAC 50/60 HZ 24 VDC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/M9220-BGA-3_9911a88b-8743-46ca-ab61-f302e4f6a2fc_medium.png?v=1719993303)
M9220-BGA-3 | DAMPER ACTUATOR 20 NM SR; 20 NM SR ACTUATOR ON-OFF 24 VAC 50 / 60 HZ 24 VDC | Johnson Controls
Brand: Johnson Controls
SKU: M9220-BGA-3
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![Johnson Controls M9220-HGA-3 DAMPER ACTUATOR 20 NM SR; 20 NM SR DPR ACT 0 TO 20 VDC ADJ START & SPAN 24 VAC 50/60 HZ 24 VDC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/M9220-HGA-3_52630c62-c95b-43c0-8e0a-68656715fb5d_medium.png?v=1719993303)
M9220-HGA-3 | DAMPER ACTUATOR 20 NM SR; 20 NM SR DPR ACT 0 TO 20 VDC ADJ START & SPAN 24 VAC 50 / 60 HZ 24 VDC | Johnson Controls
Brand: Johnson Controls
SKU: M9220-HGA-3
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![Johnson Controls M9104-GGA-3SG M9104-GGA-3S; M9104-GGA-3S | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/M9104-GGA-3SG_9c095662-ad1d-4436-8377-10a8d1b1e5e6_medium.png?v=1719993212)
M9104-GGA-3SG | M9104-GGA-3S; M9104-GGA-3S | Johnson Controls
Brand: Johnson Controls
SKU: M9104-GGA-3SG
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![Johnson Controls M9104-GGA-3S DAMPER ACTUATOR 4 NM NSR; 4 NM DPR ACT 0 TO 10 VDC 24 VAC 50/60 HZ TERMINAL SCREWS | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/M9104-GGA-3S_f78bdc82-5ac7-4ea8-9029-7cf8c5e42f50_medium.png?v=1719993207)
M9104-GGA-3S | DAMPER ACTUATOR 4 NM NSR; 4 NM DPR ACT 0 TO 10 VDC 24 VAC 50 / 60 HZ TERMINAL SCREWS | Johnson Controls
Brand: Johnson Controls
SKU: M9104-GGA-3S
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![Johnson Controls M9102-AGA-3S ROTARY ACTUATOR; 18 IN-LB; NSR; 30 SEC; 90 DEG; 24 VAC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/M9102-AGA-3S_medium.png?v=1719993207)
M9102-AGA-3S | ROTARY ACTUATOR; 18 IN-LB; NSR; 30 SEC; 90 DEG; 24 VAC | Johnson Controls
Brand: Johnson Controls
SKU: M9102-AGA-3S
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547-323A | RCM FM BAC +/-.25"wc(62.5Pa)0.5%FS | Siemens
Brand: Siemens
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