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Temperature inconsistencies between floors and rooms frustrate building occupants and waste energy. Zone dampers solve this challenge by dividing ductwork into independently controlled sections that respond to individual thermostat calls. These motorized devices open and close within your HVAC distribution system to direct heated or cooled air precisely where comfort demands it.

Blackhawk Supply carries zone dampers for HVAC installations ranging from two-zone residential retrofits to multizone commercial projects requiring sophisticated climate management.

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Rectangular Dampers

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iO HVAC Controls MD-3220-BM 32" x 20" Rectangular 2 Position Zone Damper - Belimo 3 Wire Actuator - Bottom Mount | Blackhawk Supply

MD-3220-BM | 32" x 20" Rectangular 2 Position Zone Damper - Belimo 3 Wire Actuator - Bottom Mount | iO HVAC Controls

Brand: iO HVAC Controls

SKU: MD-3220-BM

iO HVAC Controls MD-3616 36" x 16" Rectangular 2 Position Zone Damper - Belimo 3 Wire Actuator | Blackhawk Supply

MD-3616 | 36" x 16" Rectangular 2 Position Zone Damper - Belimo 3 Wire Actuator | iO HVAC Controls

Brand: iO HVAC Controls

SKU: MD-3616

iO HVAC Controls MD-2624 26 x 24 Rectangular Two-Position Zone Damper - Belimo 3 Wire Actuator | Blackhawk Supply

MD-2624 | 26 x 24 Rectangular Two-Position Zone Damper - Belimo 3 Wire Actuator | iO HVAC Controls

Brand: iO HVAC Controls

SKU: MD-2624

iO HVAC Controls MD-2822 28" x 22" Rectangular 2 Position Zone Damper - Belimo 3 Wire Actuator | Blackhawk Supply

MD-2822 | 28" x 22" Rectangular 2 Position Zone Damper - Belimo 3 Wire Actuator | iO HVAC Controls

Brand: iO HVAC Controls

SKU: MD-2822

iO HVAC Controls MD-2820-BM 28" x 20" Rectangular 2 Position Zone- Bottom Mount Damper - Belimo 3 Wire Actuator | Blackhawk Supply

MD-2820-BM | 28" x 20" Rectangular 2 Position Zone- Bottom Mount Damper - Belimo 3 Wire Actuator | iO HVAC Controls

Brand: iO HVAC Controls

SKU: MD-2820-BM

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Belimo AFB24-SR Damper Actuator | 180 in-lb | Spg Rtn | 24V | Modulating | Blackhawk Supply

AFB24-SR | Damper Actuator | 180 in-lb | Spg Rtn | 24V | Modulating | Belimo

Brand: Belimo

SKU: AFB24-SR

Belimo AMB24-3 Damper Actuator | 180 in-lb | Non-Spg Rtn | 24V | On/Off/Floating Point | Blackhawk Supply

AMB24-3 | Damper Actuator | 180 in-lb | Non-Spg Rtn | 24V | On/Off/Floating Point | Belimo

Brand: Belimo

SKU: AMB24-3

Belimo LF120 US Damper Actuator | 35 in-lb | Spg Rtn | 120V | On/Off | Blackhawk Supply

LF120 US | Damper Actuator | 35 in-lb | Spg Rtn | 120V | On/Off | Belimo

Brand: Belimo

SKU: LF120 US

Belimo LMB24-3-T Damper Actuator | 45 in-lb | Non-Spg Rtn | 24V | On/Off/Floating Point | Blackhawk Supply

LMB24-3-T | Damper Actuator | 45 in-lb | Non-Spg Rtn | 24V | On/Off/Floating Point | Belimo

Brand: Belimo

SKU: LMB24-3-T

Contemporary Controls EISK5-100T 5-port 10BASE-T/100BASE-TX Skorpion switch, DIN-rail mount | Blackhawk Supply

EISK5-100T | 5-port 10BASE-T/100BASE-TX Skorpion switch, DIN-rail mount | Contemporary Controls

Brand: Contemporary Controls

SKU: EISK5-100T

iO HVAC Controls iO-WR Wireless Relay | Blackhawk Supply

iO-WR | Wireless Relay | iO HVAC Controls

Brand: iO HVAC Controls

SKU: iO-WR

Johnson Controls A421ABC-02C Single Stage Temp Controller with Sensor, 120/240VAC, NEMA1, 6' 6" lead, -40 to 212F, HTG/CLG | Blackhawk Supply

A421ABC-02C | Single Stage Temp Controller with Sensor, 120/240VAC, NEMA1, 6' 6" lead, -40 to 212F, HTG/CLG | Johnson Controls

Brand: Johnson Controls

SKU: A421ABC-02C

Veris H221 Split Core | Span Adj. | Range: 0-300AAC | Output: 4-20mA | Loop | Blackhawk Supply

H221 | Split Core | Span Adj. | Range: 0-300AAC | Output: 4-20mA | Loop | Veris

Brand: Veris

SKU: H221

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