Resideo EARD8TZ Damper
The Resideo EARD8TZ Damper is an essential 8-inch round fresh air damper engineered for tight-seal ventilation and combustion makeup air applications. Featuring a 24V motor with a 2-wire configuration, this power open spring return assembly ensures failsafe operation, automatically closing during power loss to prevent unconditioned air infiltration. Constructed from galvanized steel, the single-blade design high-performance HVAC zone control by minimizing air leakage to less than 1% at 0.5 in. WC. The unit includes adjustable damper position range stops and a mechanical position indicator, allowing technicians to fine-tune ventilation rates for ASHRAE 62.2 compliance. Designed for versatility, the actuator can be top- or side-mounted and field-converted to power closed spring open operation to meet specific HVAC zoning system requirements.
Key Benefits- Enhanced Indoor Air Quality: Precisely controls fresh air intake to dilute indoor contaminants and manage building pressurization.
- Reliable Failsafe Performance: The spring-return actuator ensures the damper returns to its primary state during power cycles or system outages.
- Precision Airflow Management: Mechanical range stops allow for 30-second power-open and 10-second spring-return timing for responsive air handling.
- Simplified Installation: Features push-in terminals and crimped/uncrimped ends for direct integration with 8" round ductwork and 24Vac systems.
How do I wire the EARD8TZ for fresh air ventilation?
This 2-wire HVAC damper utilizes M1 (Power) and M6 (Common) terminals. It is typically integrated with a ventilation controller or the "Vent" terminals on a TrueZONE panel or smart thermostat to automate air exchange.
Can this damper be used for combustion air?
Yes, the EARD8TZ is heavy-duty and rated for combustion makeup air, ensuring boilers and furnaces have adequate oxygen for safe operation within sealed mechanical rooms.
What happens if the power goes out?
As a normally closed damper (when shipped), the internal spring will mechanically force the blade shut within 10 seconds of power loss, sealing the duct against outdoor drafts.
This item is not eligible for free shipping.
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.
Resideo EARD8TZ Damper
The Resideo EARD8TZ Damper is an essential 8-inch round fresh air damper engineered for tight-seal ventilation and combustion makeup air applications. Featuring a 24V motor with a 2-wire configuration, this power open spring return assembly ensures failsafe operation, automatically closing during power loss to prevent unconditioned air infiltration. Constructed from galvanized steel, the single-blade design high-performance HVAC zone control by minimizing air leakage to less than 1% at 0.5 in. WC. The unit includes adjustable damper position range stops and a mechanical position indicator, allowing technicians to fine-tune ventilation rates for ASHRAE 62.2 compliance. Designed for versatility, the actuator can be top- or side-mounted and field-converted to power closed spring open operation to meet specific HVAC zoning system requirements.
Key Benefits- Enhanced Indoor Air Quality: Precisely controls fresh air intake to dilute indoor contaminants and manage building pressurization.
- Reliable Failsafe Performance: The spring-return actuator ensures the damper returns to its primary state during power cycles or system outages.
- Precision Airflow Management: Mechanical range stops allow for 30-second power-open and 10-second spring-return timing for responsive air handling.
- Simplified Installation: Features push-in terminals and crimped/uncrimped ends for direct integration with 8" round ductwork and 24Vac systems.
How do I wire the EARD8TZ for fresh air ventilation?
This 2-wire HVAC damper utilizes M1 (Power) and M6 (Common) terminals. It is typically integrated with a ventilation controller or the "Vent" terminals on a TrueZONE panel or smart thermostat to automate air exchange.
Can this damper be used for combustion air?
Yes, the EARD8TZ is heavy-duty and rated for combustion makeup air, ensuring boilers and furnaces have adequate oxygen for safe operation within sealed mechanical rooms.
What happens if the power goes out?
As a normally closed damper (when shipped), the internal spring will mechanically force the blade shut within 10 seconds of power loss, sealing the duct against outdoor drafts.
This item is not eligible for free shipping.
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 Resideo EARD8TZ Damper is an essential 8-inch round fresh air damper engineered for tight-seal ventilation and combustion makeup air applications. Featuring a 24V motor with a 2-wire configuration, this power open spring return assembly ensures failsafe operation, automatically closing during power loss to prevent unconditioned air infiltration. Constructed from galvanized steel, the single-blade design high-performance HVAC zone control by minimizing air leakage to less than 1% at 0.5 in. WC. The unit includes adjustable damper position range stops and a mechanical position indicator, allowing technicians to fine-tune ventilation rates for ASHRAE 62.2 compliance. Designed for versatility, the actuator can be top- or side-mounted and field-converted to power closed spring open operation to meet specific HVAC zoning system requirements.
Key Benefits- Enhanced Indoor Air Quality: Precisely controls fresh air intake to dilute indoor contaminants and manage building pressurization.
- Reliable Failsafe Performance: The spring-return actuator ensures the damper returns to its primary state during power cycles or system outages.
- Precision Airflow Management: Mechanical range stops allow for 30-second power-open and 10-second spring-return timing for responsive air handling.
- Simplified Installation: Features push-in terminals and crimped/uncrimped ends for direct integration with 8" round ductwork and 24Vac systems.
How do I wire the EARD8TZ for fresh air ventilation?
This 2-wire HVAC damper utilizes M1 (Power) and M6 (Common) terminals. It is typically integrated with a ventilation controller or the "Vent" terminals on a TrueZONE panel or smart thermostat to automate air exchange.
Can this damper be used for combustion air?
Yes, the EARD8TZ is heavy-duty and rated for combustion makeup air, ensuring boilers and furnaces have adequate oxygen for safe operation within sealed mechanical rooms.
What happens if the power goes out?
As a normally closed damper (when shipped), the internal spring will mechanically force the blade shut within 10 seconds of power loss, sealing the duct against outdoor drafts.
This item is not eligible for free shipping.
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.
