Description
The ZoneFirst RDS-10 is a 10-inch round zone damper engineered for dependable, precise airflow control in residential and light commercial HVAC zoning systems. Paired with an integrated 24Vac two-position, two-wire, spring return actuator, this damper delivers fail-safe operation — automatically returning to its default position whenever power is removed, ensuring system safety and consistent zone performance.
Product Overview
Designed for use in round ductwork, the RDS-10 integrates seamlessly into single- or multi-zone HVAC systems. Its two-wire, two-position actuator simplifies wiring and reduces installation time, making it an ideal choice for both new construction and retrofit applications. The spring return mechanism provides reliable fail-safe positioning without the need for additional controls or wiring.
Key Features
- 10-inch round damper for standard round duct installations
- 24Vac two-position actuator for straightforward zone control integration
- Two-wire wiring configuration simplifies installation and reduces labor
- Spring return mechanism ensures fail-safe damper positioning on power loss
- Compact, low-profile design fits easily within duct runs
- Compatible with most residential and light commercial zone control panels
- Durable construction built for long-term, reliable HVAC zoning performance
Specifications
- Brand: ZoneFirst
- Model: RDS-10
- Duct Size: 10 inches (round)
- Actuator Voltage: 24Vac
- Actuator Type: Two-Position, Spring Return
- Wiring: Two-Wire
- Application: Residential & Light Commercial HVAC Zoning
Applications
The RDS-10 is well-suited for multi-zone forced-air systems where individual room or area temperature control is required. It works in conjunction with zone control panels and thermostats to open and close airflow to designated zones, improving comfort and energy efficiency throughout the building.







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