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Normally Closed (32)
Normally Open (32)

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(122)

Bottom Mount Dampers

129 items
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Product Image of 12" x 22" ND-RSD Motorized Spring Return Damper (Normally Open)
12" x 22" ND-RSD Motorized Spring Return Damper (Normally Open)
SKU: 12X22ND-RSD-NO
EWC Controls
SKU: 12X22ND-RSD-NO
Brand: EWC Controls
(1)
$269.28 each
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
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Product Image of 14" x 16" ND-RSD Motorized Spring Return Damper (Normally Open)
14" x 16" ND-RSD Motorized Spring Return Damper (Normally Open)
SKU: 14X16ND-RSD-NO
EWC Controls
SKU: 14X16ND-RSD-NO
Brand: EWC Controls
(1)
$258.06 each
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
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Product Image of 14" x 16" ND-RSD Motorized Spring Return Damper (Normally Closed)
14" x 16" ND-RSD Motorized Spring Return Damper (Normally Closed)
SKU: 14X16ND-RSD-NC
EWC Controls
SKU: 14X16ND-RSD-NC
Brand: EWC Controls
(1)
$258.06 each
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
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Product Image of 14" x 18" ND-RSD Motorized Spring Return Damper (Normally Closed)
14" x 18" ND-RSD Motorized Spring Return Damper (Normally Closed)
SKU: 14X18ND-RSD-NC
EWC Controls
SKU: 14X18ND-RSD-NC
Brand: EWC Controls
(1)
$260.10 each
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
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Product Image of 14" x 18" ND-RSD Motorized Spring Return Damper (Normally Open)
14" x 18" ND-RSD Motorized Spring Return Damper (Normally Open)
SKU: 14X18ND-RSD-NO
EWC Controls
SKU: 14X18ND-RSD-NO
Brand: EWC Controls
(1)
$260.10 each
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
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Product Image of 14" x 20" ND-RSD Motorized Spring Return Damper (Normally Closed)
14" x 20" ND-RSD Motorized Spring Return Damper (Normally Closed)
SKU: 14X20ND-RSD-NC
EWC Controls
SKU: 14X20ND-RSD-NC
Brand: EWC Controls
(1)
$262.65 each
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
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Product Image of 14" x 20" ND-RSD Motorized Spring Return Damper (Normally Open)
14" x 20" ND-RSD Motorized Spring Return Damper (Normally Open)
SKU: 14X20ND-RSD-NO
EWC Controls
SKU: 14X20ND-RSD-NO
Brand: EWC Controls
(1)
$262.65 each
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Compare
Product Image of 14" x 28" ND-RSD Motorized Spring Return Damper (Normally Closed)
14" x 28" ND-RSD Motorized Spring Return Damper (Normally Closed)
SKU: 14X28ND-RSD-NC
EWC Controls
SKU: 14X28ND-RSD-NC
Brand: EWC Controls
(1)
$630.87 each
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
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Product Image of 14" x 28" ND-RSD Motorized Spring Return Damper (Normally Open)
14" x 28" ND-RSD Motorized Spring Return Damper (Normally Open)
SKU: 14X28ND-RSD-NO
EWC Controls
SKU: 14X28ND-RSD-NO
Brand: EWC Controls
(1)
$630.87 each
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
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Product Image of 14" x 30" ND-RSD Motorized Spring Return Damper (Normally Open)
14" x 30" ND-RSD Motorized Spring Return Damper (Normally Open)
SKU: 14X30ND-RSD-NO
EWC Controls
SKU: 14X30ND-RSD-NO
Brand: EWC Controls
(1)
$648.91 each
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
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Product Image of 14" x 30" ND-RSD Motorized Spring Return Damper (Normally Closed)
14" x 30" ND-RSD Motorized Spring Return Damper (Normally Closed)
SKU: 14X30ND-RSD-NC
EWC Controls
SKU: 14X30ND-RSD-NC
Brand: EWC Controls
(1)
$648.91 each
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
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Product Image of 16" x 26" ND-RSD Motorized Spring Return Damper (Normally Closed)
16" x 26" ND-RSD Motorized Spring Return Damper (Normally Closed)
SKU: 16X26ND-RSD-NC
EWC Controls
SKU: 16X26ND-RSD-NC
Brand: EWC Controls
(1)
$639.02 each
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
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Product Image of 16" x 26" ND-RSD Motorized Spring Return Damper (Normally Open)
16" x 26" ND-RSD Motorized Spring Return Damper (Normally Open)
SKU: 16X26ND-RSD-NO
EWC Controls
SKU: 16X26ND-RSD-NO
Brand: EWC Controls
(1)
$639.02 each
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Compare
Product Image of 16" x 28" ND-RSD Motorized Spring Return Damper (Normally Closed)
16" x 28" ND-RSD Motorized Spring Return Damper (Normally Closed)
SKU: 16X28ND-RSD-NC
EWC Controls
SKU: 16X28ND-RSD-NC
Brand: EWC Controls
(1)
$644.84 each
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
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Product Image of 16" x 28" ND-RSD Motorized Spring Return Damper (Normally Open)
16" x 28" ND-RSD Motorized Spring Return Damper (Normally Open)
SKU: 16X28ND-RSD-NO
EWC Controls
SKU: 16X28ND-RSD-NO
Brand: EWC Controls
(1)
$644.84 each
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Compare
Product Image of 16" x 30" ND-RSD Motorized Spring Return Damper (Normally Closed)
16" x 30" ND-RSD Motorized Spring Return Damper (Normally Closed)
SKU: 16X30ND-RSD-NC
EWC Controls
SKU: 16X30ND-RSD-NC
Brand: EWC Controls
(1)
$669.86 each
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Compare
Product Image of 16" x 30" ND-RSD Motorized Spring Return Damper (Normally Open)
16" x 30" ND-RSD Motorized Spring Return Damper (Normally Open)
SKU: 16X30ND-RSD-NO
EWC Controls
SKU: 16X30ND-RSD-NO
Brand: EWC Controls
(1)
$669.86 each
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Compare
Product Image of 18" x 24" ND-RSD Motorized Spring Return Damper (Normally Closed)
18" x 24" ND-RSD Motorized Spring Return Damper (Normally Closed)
SKU: 18X24ND-RSD-NC
EWC Controls
SKU: 18X24ND-RSD-NC
Brand: EWC Controls
(1)
$634.36 each
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Compare
Product Image of 18" x 24" ND-RSD Motorized Spring Return Damper (Normally Open)
18" x 24" ND-RSD Motorized Spring Return Damper (Normally Open)
SKU: 18X24ND-RSD-NO
EWC Controls
SKU: 18X24ND-RSD-NO
Brand: EWC Controls
(1)
$634.36 each
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Compare
Product Image of 18" x 26" ND-RSD Motorized Spring Return Damper (Normally Closed)
18" x 26" ND-RSD Motorized Spring Return Damper (Normally Closed)
SKU: 18X26ND-RSD-NC
EWC Controls
SKU: 18X26ND-RSD-NC
Brand: EWC Controls
(1)
$649.49 each
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Compare
Product Image of 18" x 26" ND-RSD Motorized Spring Return Damper (Normally Open)
18" x 26" ND-RSD Motorized Spring Return Damper (Normally Open)
SKU: 18X26ND-RSD-NO
EWC Controls
SKU: 18X26ND-RSD-NO
Brand: EWC Controls
(1)
$649.49 each
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Compare
Product Image of 20" x 22" ND-RSD Motorized Spring Return Damper (Normally Closed)
20" x 22" ND-RSD Motorized Spring Return Damper (Normally Closed)
SKU: 20X22ND-RSD-NC
EWC Controls
SKU: 20X22ND-RSD-NC
Brand: EWC Controls
(1)
$647.16 each
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Compare
Product Image of 20" x 22" ND-RSD Motorized Spring Return Damper (Normally Open)
20" x 22" ND-RSD Motorized Spring Return Damper (Normally Open)
SKU: 20X22ND-RSD-NO
EWC Controls
SKU: 20X22ND-RSD-NO
Brand: EWC Controls
(1)
$647.16 each
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Compare
Product Image of 20" x 24" ND-RSD Motorized Spring Return Damper (Normally Open)
20" x 24" ND-RSD Motorized Spring Return Damper (Normally Open)
SKU: 20X24ND-RSD-NO
EWC Controls
SKU: 20X24ND-RSD-NO
Brand: EWC Controls
(1)
$648.33 each
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Compare
Product Image of 20" x 24" ND-RSD Motorized Spring Return Damper (Normally Closed)
20" x 24" ND-RSD Motorized Spring Return Damper (Normally Closed)
SKU: 20X24ND-RSD-NC
EWC Controls
SKU: 20X24ND-RSD-NC
Brand: EWC Controls
(1)
$648.33 each
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Compare
Product Image of 8" x 6" ND Motorized Damper w/ 15 Second Motor
8" x 6" ND Motorized Damper w/ 15 Second Motor
SKU: 8X6ND-MA15S
EWC Controls
SKU: 8X6ND-MA15S
Brand: EWC Controls
(36)
$231.54 each
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
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Product Image of 10" x 6" ND Motorized Damper w/ 15 Second Motor
10" x 6" ND Motorized Damper w/ 15 Second Motor
SKU: 10X6ND-MA15S
EWC Controls
SKU: 10X6ND-MA15S
Brand: EWC Controls
(36)
$232.56 each
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Compare
Product Image of 10" x 10" ND Motorized Damper w/ 15 Second Motor
10" x 10" ND Motorized Damper w/ 15 Second Motor
SKU: 10X10ND-MA15S
EWC Controls
SKU: 10X10ND-MA15S
Brand: EWC Controls
$237.66 each
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Compare
Product Image of 10" x 18" ND Motorized Damper w/ 15 Second Motor
10" x 18" ND Motorized Damper w/ 15 Second Motor
SKU: 10X18ND-MA15S
EWC Controls
SKU: 10X18ND-MA15S
Brand: EWC Controls
$270.81 each
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Compare
Product Image of 10" x 12" ND Motorized Damper w/ 15 Second Motor
10" x 12" ND Motorized Damper w/ 15 Second Motor
SKU: 10X12ND-MA15S
EWC Controls
SKU: 10X12ND-MA15S
Brand: EWC Controls
$262.14 each
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Backorder
Get it by Tue, Aug 4 - Tue, Sep 1
Compare
Product Image of 10" x 16" Rectangular 15 Sec ND Motorized Damper
10" x 16" Rectangular 15 Sec ND Motorized Damper
SKU: 10X16ND-15S
EWC Controls
SKU: 10X16ND-15S
Brand: EWC Controls
(36)
$268.77 each
Out of Stock
Get it by Tue, Jul 21 - Tue, Jul 28
Out of Stock
Get it by Tue, Jul 21 - Tue, Jul 28
Compare
Product Image of 16" x 10" Rectangular 15 Sec Motorized Damper, Side Mount
16" x 10" Rectangular 15 Sec Motorized Damper, Side Mount
SKU: 16X10ND-15S
EWC Controls
SKU: 16X10ND-15S
Brand: EWC Controls
(36)
$262.65 each
Out of Stock
Get it by Tue, Jul 21 - Tue, Jul 28
Out of Stock
Get it by Tue, Jul 21 - Tue, Jul 28
Compare
Product Image of 10" x 8" Motorized Rectangular Damper (15 sec Open)
10" x 8" Motorized Rectangular Damper (15 sec Open)
SKU: 10X8ND-15S
EWC Controls
SKU: 10X8ND-15S
Brand: EWC Controls
(36)
$236.13 each
Out of Stock
Get it by Tue, Jul 21 - Tue, Jul 28
Out of Stock
Get it by Tue, Jul 21 - Tue, Jul 28
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