Description
Honeywell MARD-10 10″ Round Zone Damper Overview
The Honeywell MARD-10 is a 10-inch round zone damper engineered for reliable, precise airflow control in residential and light commercial HVAC zoning systems. Featuring a 24Vac power open/power closed floating actuator, this damper delivers positive blade positioning in both directions — ensuring tight shutoff and accurate airflow modulation without relying on spring-return mechanisms.
Key Features
- 10-inch round duct damper for standard round duct applications
- 24Vac operating voltage — compatible with standard HVAC zone control panels and thermostats
- Power open / power closed (POPC) operation for positive two-directional blade control
- Three-wire floating actuator design for dependable, responsive positioning
- Suitable for residential and light commercial HVAC zoning applications
- Designed for use with Honeywell and compatible zone control systems
Power Open / Power Closed Advantage
Unlike spring-return dampers, the MARD-10’s power open/power closed actuator actively drives the blade to both the open and closed positions. This provides more reliable shutoff, eliminates spring fatigue over time, and ensures consistent performance throughout the life of the system.
Three-Wire Floating Actuator
The three-wire floating control interface allows the zone controller to command the damper to open, close, or hold at any intermediate position. This makes the MARD-10 an excellent choice for systems requiring modulating airflow control or precise zone balancing.
Application
- Residential multi-zone forced-air HVAC systems
- Light commercial zoning applications
- New construction and retrofit duct zoning installations
- Compatible with 24Vac zone control panels and thermostats
Specifications
- Model: MARD-10
- Duct Size: 10″ Round
- Voltage: 24Vac
- Actuator Type: Floating, Three-Wire
- Operation: Power Open / Power Closed (POPC)
- Brand: Honeywell
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