
ZoneFirst AOBD-20X10 Damper
The ZoneFirst AOBD-20X10 Damper is a professional-grade automatic opposed blade damper engineered for precision bypass and zone control in high-demand residential and commercial ductwork. This 20" wide by 10" high unit features an anodized extruded aluminum frame and blades, ensuring a low-profile footprint that fits into 3-inch slots for streamlined side-mount installation. Each blade is connected via a stainless steel draw bar and nickel-plated linkage for reliable operation under static pressure up to 0.75" W.C.
Driven by a 24Vac power open/power closed actuator, the motor facilitates a consistent 30-second cycle time between positions. This three-wire configuration includes built-in end switches, allowing for seamless electrical interlocking with zoning system panels or auxiliary equipment without additional relays. The opposed blade design provides superior linear airflow control compared to parallel alternatives, reducing turbulence and air noise at the registers. For technicians, the side-mounted motor positioning on the 10" dimension simplifies accessibility when integrated into horizontal HVAC ductwork where vertical clearance is limited.
- Precision 24V Control: Features a high-torque hvac actuator that only draws power during its 30-second movement, enhancing motor longevity.
- Integrated End Switches: Simplifies hvac zoning system wiring by providing direct feedback for burner or compressor engagement.
- Opposed Blade Efficiency: Maximizes airflow management and minimizes static pressure drops when the zone dampers are fully open.
- Rugged Aluminum Construction: Corrosion-resistant anodized aluminum build maintains structural integrity in high-humidity environments.
Common Questions
Is the AOBD compatible with 3-wire zoning panels?
Yes, the AOBD-20X10 is designed specifically for 3-wire, power-open/power-closed hvac control boards and provides an internal end switch for system confirmation.
Can this damper be used as a replacement for spring-return models?
Because this is a power-open/power-closed motor, it requires a constant common and switched legs for both directions. Converting from a 2-wire spring-return involves verifying your hvac technician has access to the appropriate wiring terminals on the zone panel.
Does it support vertical and horizontal installation?
The AOBD series is primarily a side-mount configuration. For horizontal ducting, ensure the blades are oriented to prevent sagging, though the patented gear design assists in maintaining consistent blade positioning.
This item is not eligible for free shipping.
Item is Non Cancelable / Non Returnable
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
ZoneFirst AOBD-20X10 Damper
The ZoneFirst AOBD-20X10 Damper is a professional-grade automatic opposed blade damper engineered for precision bypass and zone control in high-demand residential and commercial ductwork. This 20" wide by 10" high unit features an anodized extruded aluminum frame and blades, ensuring a low-profile footprint that fits into 3-inch slots for streamlined side-mount installation. Each blade is connected via a stainless steel draw bar and nickel-plated linkage for reliable operation under static pressure up to 0.75" W.C.
Driven by a 24Vac power open/power closed actuator, the motor facilitates a consistent 30-second cycle time between positions. This three-wire configuration includes built-in end switches, allowing for seamless electrical interlocking with zoning system panels or auxiliary equipment without additional relays. The opposed blade design provides superior linear airflow control compared to parallel alternatives, reducing turbulence and air noise at the registers. For technicians, the side-mounted motor positioning on the 10" dimension simplifies accessibility when integrated into horizontal HVAC ductwork where vertical clearance is limited.
- Precision 24V Control: Features a high-torque hvac actuator that only draws power during its 30-second movement, enhancing motor longevity.
- Integrated End Switches: Simplifies hvac zoning system wiring by providing direct feedback for burner or compressor engagement.
- Opposed Blade Efficiency: Maximizes airflow management and minimizes static pressure drops when the zone dampers are fully open.
- Rugged Aluminum Construction: Corrosion-resistant anodized aluminum build maintains structural integrity in high-humidity environments.
Common Questions
Is the AOBD compatible with 3-wire zoning panels?
Yes, the AOBD-20X10 is designed specifically for 3-wire, power-open/power-closed hvac control boards and provides an internal end switch for system confirmation.
Can this damper be used as a replacement for spring-return models?
Because this is a power-open/power-closed motor, it requires a constant common and switched legs for both directions. Converting from a 2-wire spring-return involves verifying your hvac technician has access to the appropriate wiring terminals on the zone panel.
Does it support vertical and horizontal installation?
The AOBD series is primarily a side-mount configuration. For horizontal ducting, ensure the blades are oriented to prevent sagging, though the patented gear design assists in maintaining consistent blade positioning.
This item is not eligible for free shipping.
Item is Non Cancelable / Non Returnable
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The ZoneFirst AOBD-20X10 Damper is a professional-grade automatic opposed blade damper engineered for precision bypass and zone control in high-demand residential and commercial ductwork. This 20" wide by 10" high unit features an anodized extruded aluminum frame and blades, ensuring a low-profile footprint that fits into 3-inch slots for streamlined side-mount installation. Each blade is connected via a stainless steel draw bar and nickel-plated linkage for reliable operation under static pressure up to 0.75" W.C.
Driven by a 24Vac power open/power closed actuator, the motor facilitates a consistent 30-second cycle time between positions. This three-wire configuration includes built-in end switches, allowing for seamless electrical interlocking with zoning system panels or auxiliary equipment without additional relays. The opposed blade design provides superior linear airflow control compared to parallel alternatives, reducing turbulence and air noise at the registers. For technicians, the side-mounted motor positioning on the 10" dimension simplifies accessibility when integrated into horizontal HVAC ductwork where vertical clearance is limited.
- Precision 24V Control: Features a high-torque hvac actuator that only draws power during its 30-second movement, enhancing motor longevity.
- Integrated End Switches: Simplifies hvac zoning system wiring by providing direct feedback for burner or compressor engagement.
- Opposed Blade Efficiency: Maximizes airflow management and minimizes static pressure drops when the zone dampers are fully open.
- Rugged Aluminum Construction: Corrosion-resistant anodized aluminum build maintains structural integrity in high-humidity environments.
Common Questions
Is the AOBD compatible with 3-wire zoning panels?
Yes, the AOBD-20X10 is designed specifically for 3-wire, power-open/power-closed hvac control boards and provides an internal end switch for system confirmation.
Can this damper be used as a replacement for spring-return models?
Because this is a power-open/power-closed motor, it requires a constant common and switched legs for both directions. Converting from a 2-wire spring-return involves verifying your hvac technician has access to the appropriate wiring terminals on the zone panel.
Does it support vertical and horizontal installation?
The AOBD series is primarily a side-mount configuration. For horizontal ducting, ensure the blades are oriented to prevent sagging, though the patented gear design assists in maintaining consistent blade positioning.
This item is not eligible for free shipping.
Item is Non Cancelable / Non Returnable
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.










