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We offer over 70 EWC HVAC products, including Bypass Dampers, Damper Controls & Accessories, Rectangular Dampers, Round Dampers, and Zoning Panels.
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View Details EWC Controls 10X18 ND-15S 10X18 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply
10X18 ND-15S | 10X18 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 10X18 ND-15S
$270.81 each
View Details EWC Controls MA-SBD SBD REPLACEMENT MOTOR | Blackhawk Supply
MA-SBD | SBD REPLACEMENT MOTOR | EWC Controls
Brand: EWC Controls
SKU: MA-SBD
$334.05 each
View Details EWC Controls 8 CLBD 8 CLBD CONSTANT LOAD BY-PASS DAMPER | Blackhawk Supply
8 CLBD | 8 CLBD CONSTANT LOAD BY-PASS DAMPER | EWC Controls
Brand: EWC Controls
SKU: 8 CLBD
$127.63 each
View Details EWC Controls T-40VA-PT T-40Va Transformer 24V 40Va Plate Mount | Blackhawk Supply
T-40VA-PT | T-40Va Transformer 24V 40Va Plate Mount | EWC Controls
Brand: EWC Controls
SKU: T-40VA-PT
$30.56 each
View Details EWC Controls 18 EBD 18 Inch Round Electronic Static Pressure Bypass Damper | Blackhawk Supply
18 EBD | 18 Inch Round Electronic Static Pressure Bypass Damper | EWC Controls
Brand: EWC Controls
SKU: 18 EBD
$598.23 each
View Details EWC Controls 12X8 PRD 12X8 Rectangular Manual Bypass Damper | Blackhawk Supply
12X8 PRD | 12X8 Rectangular Manual Bypass Damper | EWC Controls
Brand: EWC Controls
SKU: 12X8 PRD
$115.38 each
View Details EWC Controls 18X12 ND-RSD NC Rectangular Damper | 18X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply
18X12 ND-RSD NC | Rectangular Damper | 18X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 18X12 ND-RSD NC
$248.37 each
View Details EWC Controls 12X8 ND-RSD NC Rectangular Damper | 12X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply
12X8 ND-RSD NC | Rectangular Damper | 12X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 12X8 ND-RSD NC
$216.24 each
View Details EWC Controls 16X24 ND Rectangular Damper | 16X24 ND MOTORIZED DAMPER | Blackhawk Supply
16X24 ND | Rectangular Damper | 16X24 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 16X24 ND
$302.94 each
View Details EWC Controls 12X18 ND Rectangular Damper | 12X18 ND MOTORIZED DAMPER | Blackhawk Supply
12X18 ND | Rectangular Damper | 12X18 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 12X18 ND
$258.06 each
View Details EWC Controls 30X18 ND Rectangular Damper | 30X18 ND MOTORIZED DAMPER | Blackhawk Supply
30X18 ND | Rectangular Damper | 30X18 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 30X18 ND
$354.96 each
View Details EWC Controls 28X12 ND Rectangular Damper | 28X12 ND MOTORIZED DAMPER | Blackhawk Supply
28X12 ND | Rectangular Damper | 28X12 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 28X12 ND
$284.07 each
View Details EWC Controls 24X14 ND Rectangular Damper | 24X14 ND MOTORIZED DAMPER | Blackhawk Supply
24X14 ND | Rectangular Damper | 24X14 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 24X14 ND
$279.99 each
View Details EWC Controls 24X12 ND Rectangular Damper | 24X12 ND MOTORIZED DAMPER | Blackhawk Supply
24X12 ND | Rectangular Damper | 24X12 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 24X12 ND
$267.24 each
View Details EWC Controls 24X8 ND Rectangular Damper | 24X8 ND MOTORIZED DAMPER | Blackhawk Supply
24X8 ND | Rectangular Damper | 24X8 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 24X8 ND
$238.68 each
View Details EWC Controls 20X20 ND Rectangular Damper | 20X20 ND MOTORIZED DAMPER | Blackhawk Supply
20X20 ND | Rectangular Damper | 20X20 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 20X20 ND
$289.17 each
View Details EWC Controls 20X16 ND Rectangular Damper | 20X16 ND MOTORIZED DAMPER | Blackhawk Supply
20X16 ND | Rectangular Damper | 20X16 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 20X16 ND
$269.28 each
View Details EWC Controls 16X16 ND Rectangular Damper | 16X16 ND MOTORIZED DAMPER | Blackhawk Supply
16X16 ND | Rectangular Damper | 16X16 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 16X16 ND
$258.06 each
View Details EWC Controls 14X12 ND Rectangular Damper | 14X12 ND MOTORIZED DAMPER | Blackhawk Supply
14X12 ND | Rectangular Damper | 14X12 ND MOTORIZED DAMPER | EWC Controls
Brand: EWC Controls
SKU: 14X12 ND
$239.19 each
View Details EWC Controls 18 RD-HD 18 HAND DAMPER | Blackhawk Supply
18 RD-HD | 18 HAND DAMPER | EWC Controls
Brand: EWC Controls
SKU: 18 RD-HD
$95.69 each
View Details EWC Controls DAPC DISTRIBUTED AIR PRESSURE CONTROLLER | Blackhawk Supply
DAPC | DISTRIBUTED AIR PRESSURE CONTROLLER | EWC Controls
Brand: EWC Controls
SKU: DAPC
$305.49 each
View Details EWC Controls 14X10 ND-15S 14X10 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN/POWER CLOSE | Blackhawk Supply
14X10 ND-15S | 14X10 ND-15S MOTORIZED DAMPER 15 SECOND POWER OPEN / POWER CLOSE | EWC Controls
Brand: EWC Controls
SKU: 14X10 ND-15S
$257.04 each
View Details EWC Controls RAS Return Air Sensor | Blackhawk Supply
RAS | Return Air Sensor | EWC Controls
Brand: EWC Controls
SKU: RAS
$43.25 each
View Details EWC Controls 12X10 PRD 12X10 Rectangular Manual Bypass Damper | Blackhawk Supply
12X10 PRD | 12X10 Rectangular Manual Bypass Damper | EWC Controls
Brand: EWC Controls
SKU: 12X10 PRD
$121.50 each
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