Dampers
From precision airflow to automatic pressure relief, our full range of dampers keeps your system balanced and efficient—no matter the zone count.
Round Supply Air Damper [POC (6-20)]
Our round dampers are designed for precision and reliability, featuring:
- Power Open/Power Close Mechanism – Ensures efficient airflow control.
- 24V AC Actuator with LED Indicators – Red and green LEDs show when the damper is fully open or closed.
- Easy-to-Use Screw Terminals – Reliable connections for hassle-free installation.
- Adjustable Minimum Close Position – Customize airflow as needed.
- 99% Shut-Off Efficiency – Rigid foam seal provides near-total air blockage.
- Durable ½” Solid Aluminum Shaft – Built for long-lasting strength and performance.
- Secure Blade Attachment – Two bolts with neoprene nuts keep the damper blade firmly connected to the shaft.
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Round Supply Air Damper [SRD (6-20)]
Built for durability and efficiency, this round damper features:
- Rigid Stitch-Welded Construction – Ensures strength and maintains roundness for optimal performance.
- Power Close, Spring Open Mechanism – Automatically opens in case of power loss for fail-safe operation.
- Insulated Hat Section – Helps prevent condensation buildup around the motor.
- Screwless Connections – Provides secure, hassle-free installation.
- LED Power Indicator – Displays when the motor is actively powered.
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Round Supply Air Damper [ARD (4-20)]:
Built for durability and efficiency, this round damper features:
- Rigid Stitch-Welded Construction – Ensures strength and maintains roundness for optimal performance.
- Power Close, Spring Open Mechanism – Automatically opens in case of power loss for fail-safe operation.
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- Economical alternative for Residential New Construction.
Round Fresh Air Damper [FAD (5-18)]
Built for durability and efficiency, this round damper features:
- Coming Soon
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Round Fresh Air Damper [FRD (4-16)]
Built for durability and efficiency, this round damper features:
- Fail‐safe spring close design
- Simple, 2‐wire connections
- Available sizes: 4”, 5”, 6”, 8”, 9”, 10”, 12”, 14”, 16”
- Heavy‐duty actuator
- Power open/spring close
- 5 year factory warranty
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Rectangular Dampers [(8×8 thru 30×30) – Custom Sizes Available]
Designed for durability and precision, our rectangular dampers feature:
- Extruded Aluminum Frame with Mitered Corners – Maintains duct dimensions for a secure fit.
- L Brackets for Secure Mounting – Ensures stability inside rectangular ducts.
- Multiple Operation Modes:
- Power Open/Power Close – Provides full control over airflow.
- Power Open/Close/Modulating – Allows for precise airflow adjustments.
- Power Close/Spring Open & Power Open/Spring Close – Fail-safe operation in case of power loss.
- LED Indicators for Status Monitoring:
- Power Open/Power Close Models – Red and green LEDs indicate full open or closed positions.
- Spring Return Models – Red LED signals when the damper is powered.
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Round Bypass Damper (BBD) [(8-16)]
Engineered for efficient air pressure relief, the Round Bypass Damper features:
- Automatic Pressure Relief – Opens when fewer zones are active, ensuring balanced airflow.
- Adjustable Weighted Arm – An 8” bolt with weight is secured into a threaded donut for precise control.
- Flexible Mounting Options – Can be installed in vertical or horizontal positions by adjusting the donut and weighted arm.
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Round Modulating Bypass Damper [MBD (6-20)]
Designed for precise pressure control, the Round Modulating Bypass Damper features:
- Power Open/Power Close Operation – Controlled by a static pressure switch for automated airflow regulation.
- Responsive Pressure Adjustment – Closes when pressure drops and opens when pressure rises to maintain system balance.
- Integrated Pitot Tube – Measures supply plenum pressure and reports it to the high side of the pressure diaphragm.
- Atmospheric Pressure Compensation – The opposite side of the diaphragm remains open to ensure accurate readings.
- Adjustable Pressure Control – A built-in adjustment knob allows fine-tuning to maintain damper closure when all zones are open.
- Automatic Pressure Regulation – Opens as zones close to prevent excess pressure buildup in the plenum.
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Static Pressure Controller (SPC)
Engineered for precise airflow regulation, the Static Pressure Controller features:
- 24V Automatic Control – Activates circuits to close the damper when pressure drops and open it when pressure rises.
- Integrated Pitot Tube – Measures supply plenum pressure for accurate system adjustments.
- Dual-Side Pressure Monitoring – High-side pressure is reported to the diaphragm, while the other side remains open to the atmosphere for balance.
- Adjustable Pressure Control – A built-in adjustment knob fine-tunes pressure levels to maintain damper closure when all zones are open.
- Automatic Pressure Management – When zones close and pressure increases, the controller signals the bypass damper to open, ensuring stable plenum pressure.
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Round Supply Air Damper [DAMPRND (6 – 18)]
For Carrier Infinity & Bryant Evolution Zoning Systems
Built for seamless integration and reliable performance, this round damper features:
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Modulating Open/Close Function – Ensures precise airflow control.
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Reliable Screw Connections – Provides secure and hassle-free installation.
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99% Shut-Off Efficiency – Rigid foam seal minimizes air leakage.
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Durable ½” Solid Aluminum Shaft – Designed for long-lasting strength and reliability.
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Secure Blade Attachment – Two bolts with neoprene nuts firmly connect the damper blade to the shaft for dependable operation.
The DAMPRND damper series carries a full 10 year factory parts warranty. No registration required.
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Rectangular Supply Air Damper (DAMPSLS/DAMPSLB)
(8×8 thru 30×30) – Custom Sizes Available
For Carrier Infinity & Bryant Evolution Zoning Systems
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Modulating Open/Close Function – Provides efficient and precise airflow regulation.
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Reliable Screw Connections – Ensures secure and easy installation.
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99% Shut-Off Efficiency – Opposing blades minimize air leakage for optimal performance.
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Molded Nylon Gears – Delivers smooth operation and long-lasting reliability.
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Precision-Fit Extruded Aluminum Construction – Guarantees durability and a secure fit within duct systems.
The DAMPSLS & DAMPSLB damper series carries a full 10 year factory parts warranty. No registration required.
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