Dampers Spring return (nc) Spring return
From rectangular to motorized dampers, from bypass dampers to zoning panels: we’ve got it all! Find what you are looking for in our stock of over 2,000 products.
View Details
![EWC Controls 16X16 ND-RSD NC Rectangular Damper | 16X16 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_d2f2aa29-b130-4626-9a5f-378642bd07a4_medium.png?v=1713902380)
16X16 ND-RSD NC | Rectangular Damper | 16X16 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 16X16 ND-RSD NC
View Details
![iO HVAC Controls MBD-1608 Manual Rectangular 16 x 08 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/balancing_damper_rect_5247b0f0-b3da-4f07-9658-5d4eab68b9cc_medium.jpg?v=1708912622)
MBD-1608 | Manual Rectangular 16 x 08 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-1608
View Details
![EWC Controls 12X12 ND-RSD NC Rectangular Damper | 12X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_273ccc33-54cb-47f3-8954-a75bf0dcc9dd_medium.png?v=1713902338)
12X12 ND-RSD NC | Rectangular Damper | 12X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 12X12 ND-RSD NC
View Details
![iO HVAC Controls MBD-12 iO HVAC Controls Manual Balancing Damper 12 Round with locking quad | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/MBD-12_medium.jpg?v=1708912583)
MBD-12 | iO HVAC Controls Manual Balancing Damper 12 Round with locking quad | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-12
View Details
![iO HVAC Controls MBD-1408 Manual Rectangular 14 x 08 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/balancing_damper_rect_7529a6db-4d0a-4035-87cb-9b498082541d_medium.jpg?v=1708912619)
MBD-1408 | Manual Rectangular 14 x 08 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-1408
View Details
![EWC Controls 6 URD-SRE120 N.C. 6 Inch 120V Round Motorized Spring Return Damper Normally Closed | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_b739c307-590f-48db-91c0-6c35950f1550_medium.gif?v=1713902490)
6 URD-SRE120 N.C. | 6 Inch 120V Round Motorized Spring Return Damper Normally Closed | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 6 URD-SRE120 N.C.
View Details
![iO HVAC Controls MBD-14 iO HVAC Controls Manual Balancing Damper 14 Round with locking quad | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/MBD-14_medium.jpg?v=1708912613)
MBD-14 | iO HVAC Controls Manual Balancing Damper 14 Round with locking quad | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-14
View Details
![EWC Controls 10 URD-SRE120 N.C. 10 Inch 120V Round Motorized Spring Return Damper Normally Closed | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_e184f5f4-a412-47f9-be88-922502c98d05_medium.gif?v=1713902285)
10 URD-SRE120 N.C. | 10 Inch 120V Round Motorized Spring Return Damper Normally Closed | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 10 URD-SRE120 N.C.
View Details
![EWC Controls 8 URD-SRE120 N.C. 8 Inch 120V Round Motorized Spring Return Damper Normally Closed | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_ed234d17-166f-4f96-b676-a76313b53b04_medium.gif?v=1713902502)
8 URD-SRE120 N.C. | 8 Inch 120V Round Motorized Spring Return Damper Normally Closed | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 8 URD-SRE120 N.C.
View Details
![EWC Controls 20X20 ND-RSD NC Rectangular Damper | 20X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_a57e7483-c85b-4e72-9c9d-c7f90c3d59d6_medium.png?v=1713902406)
20X20 ND-RSD NC | Rectangular Damper | 20X20 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 20X20 ND-RSD NC
View Details
![EWC Controls 18X12 ND-RSD NC Rectangular Damper | 18X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_cfe9b3f8-9959-45db-85b2-dd4516e24455_medium.png?v=1713902404)
18X12 ND-RSD NC | Rectangular Damper | 18X12 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 18X12 ND-RSD NC
View Details
![iO HVAC Controls MBD-04 iO HVAC Controls Manual Balancing Damper 4 Round with locking quad | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/MBD-04_medium.jpg?v=1708912589)
MBD-04 | iO HVAC Controls Manual Balancing Damper 4 Round with locking quad | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-04
View Details
![iO HVAC Controls MBD-1616 Manual Rectangular 16 x 16 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/balancing_damper_rect_8ba412c3-09c2-4625-91dc-6bb5db8161d6_medium.jpg?v=1708912606)
MBD-1616 | Manual Rectangular 16 x 16 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-1616
View Details
![iO HVAC Controls MBD-1608-BM Manual Rectangular 16 x 08 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/balancing_damper_rect_991d9e07-8ace-4ede-baee-377c5e3cab8a_medium.jpg?v=1708912623)
MBD-1608-BM | Manual Rectangular 16 x 08 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-1608-BM
View Details
![iO HVAC Controls MBD-1408-BM Manual Rectangular 14 x 08 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/balancing_damper_rect_8a80e7ce-34b9-4c5f-a1a2-9de60fe1861b_medium.jpg?v=1708912623)
MBD-1408-BM | Manual Rectangular 14 x 08 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-1408-BM
View Details
![iO HVAC Controls MBD-1210 Manual Rectangular 12 x 10 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/balancing_damper_rect_61f49c32-ffb9-4ea0-af4b-82e727c1c51a_medium.jpg?v=1708912622)
MBD-1210 | Manual Rectangular 12 x 10 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-1210
View Details
![Braeburn 129016 Round Damper | 16" Round Motorized Damper Spring Return - Normally Closed | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/PO_SR-Round_baedc300-e418-4f48-bfd0-6307feecfe47_medium.jpg?v=1708892690)
129016 | Round Damper | 16" Round Motorized Damper Spring Return - Normally Closed | Braeburn
Brand: Braeburn
SKU: 129016
View Details
![Braeburn 129010 Round Damper | 10" Round Motorized Damper Spring Return - Normally Closed | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/PO_SR-Round_c9aea36a-5b50-4c11-9413-350caf52fcb9_medium.jpg?v=1708892725)
129010 | Round Damper | 10" Round Motorized Damper Spring Return - Normally Closed | Braeburn
Brand: Braeburn
SKU: 129010
View Details
![EWC Controls 16X8 ND-RSD NC Rectangular Damper | 16X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_b237fe7e-9751-437b-989b-8c0b6871c9e3_medium.png?v=1713902389)
16X8 ND-RSD NC | Rectangular Damper | 16X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 16X8 ND-RSD NC
View Details
![EWC Controls 8X8 ND-RSD NC Rectangular Damper | 8X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/nd-rsd_3042d926-8f86-4729-82f9-d1993e0fde01_medium.png?v=1713902506)
8X8 ND-RSD NC | Rectangular Damper | 8X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 8X8 ND-RSD NC
View Details
![iO HVAC Controls MBD-16 iO HVAC Controls Manual Balancing Damper 16 Round with locking quad | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/MBD-16_medium.jpg?v=1708912613)
MBD-16 | iO HVAC Controls Manual Balancing Damper 16 Round with locking quad | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-16
View Details
![iO HVAC Controls MBD-08 iO HVAC Controls Manual Balancing Damper 8 Round with locking quad | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/MBD-08_medium.jpg?v=1708912584)
MBD-08 | iO HVAC Controls Manual Balancing Damper 8 Round with locking quad | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-08
View Details
![iO HVAC Controls MBD-1410 Manual Rectangular 14 x 10 Zone Damper | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/balancing_damper_rect_937d8150-abe2-4aeb-b800-c855dd571426_medium.jpg?v=1708912623)
MBD-1410 | Manual Rectangular 14 x 10 Zone Damper | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-1410
View Details
![iO HVAC Controls MBD-1208-BM Manual Rectangular 12 x 08 Zone Damper-BM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/balancing_damper_rect_76521c11-be01-4817-9b03-457f8bab828d_medium.jpg?v=1708912589)
MBD-1208-BM | Manual Rectangular 12 x 08 Zone Damper-BM | iO HVAC Controls
Brand: iO HVAC Controls
SKU: MBD-1208-BM
Committed to customer satisfaction
as experts in Dampers
Recently Viewed
Popular Products
View all →![Siemens QFM3160 Duct RH and Temp Sensor, 2 percent (high) accuracy, RH: 0-10 Vdc, T: 0-10 Vdc | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/QFM3160_large.jpg?v=1692723024)
QFM3160 | Duct RH and Temp Sensor, 2 percent (high) accuracy, RH: 0-10 Vdc, T: 0-10 Vdc | Siemens
Brand: Siemens
SKU: QFM3160![Saginaw SCE-36H3612LP NEMA 3R, 12, 4 | Nema 4 LP Enclosure, 36H x 36W x 12D | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/sce-36h3612lp_large.png?v=1692624116)
SCE-36H3612LP | NEMA 3R, 12, 4 | Nema 4 LP Enclosure, 36H x 36W x 12D | Saginaw
Brand: Saginaw
SKU: SCE-36H3612LP![Siemens 147-2000 Positioning Relay, Pneumatic, Adj Start Point and Span, Rapid Response | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/147-2000_large.jpg?v=1692718555)
147-2000 | Positioning Relay, Pneumatic, Adj Start Point and Span, Rapid Response | Siemens
Brand: Siemens
SKU: 147-2000![Veris E51C2 Bi-Directional DIN Energy Meter | Modbus | Pulse Out | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/E50B1_133fa895-f07d-4e0c-903d-c666ee67875b_large.jpg?v=1719241877)
E51C2 | Bi-Directional DIN Energy Meter | Modbus | Pulse Out | Veris
Brand: Veris
SKU: E51C2![Graco D11021 Husky 205 AC Pump, PP Center Section, AC Balls & PTFE Diaphragm | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/D11021-Graco-Husky-205-Plastic-Air-Operated-Double-Diaphragm-Pump-486320_4b7f4380-0c81-46cf-8733-e0bb3b70723d_large.jpg?v=1705596867)
D11021 | Husky 205 AC Pump, PP Center Section, AC Balls & PTFE Diaphragm | Graco
Brand: Graco
SKU: D11021![Schneider Electric MA-418-500 Act (MA-418-500): Elec, 2Pos, SR, 120 VAC, TB, 60 in-lb, Rotary, Auxiliary Switch: 1 SPDT, N1, Erie | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/MA-4_cbeba398-a3d0-4c4f-abe5-f01c00c8509e_large.jpg?v=1717434807)
MA-418-500 | Act (MA-418-500): Elec, 2Pos, SR, 120 VAC, TB, 60 in-lb, Rotary, Auxiliary Switch: 1 SPDT, N1, Erie | Schneider Electric
Brand: Schneider Electric
SKU: MA-418-500![Schneider Electric MA-418 Act (MA-418): Elec, 2Pos, SR, 120 VAC, TB, 60 in-lb, Rotary, N1, Erie | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/MA-4_large.jpg?v=1719328597)
MA-418 | Act (MA-418): Elec, 2Pos, SR, 120 VAC, TB, 60 in-lb, Rotary, N1, Erie | Schneider Electric
Brand: Schneider Electric
SKU: MA-418