Resideo - Honeywell Home ARD20TZ

Resideo - Honeywell Home ARD20TZ is a 24V Automatic Round Damper (Normally Open) with a 20" diameter designed for Truezone HVAC control. This damper enables precise airflow balancing across multiple zones, improving comfort and reducing energy consumption in residential systems. Engineered for standard HVAC control boards and Truezone zoning, it responds quickly to thermostat calls and modulates airflow where it’s needed most. The Normally Open configuration ensures reliable operation in typical heating and cooling setups, while its robust construction delivers quiet performance and long service life. Ideal for retrofits or new installs, the ARD20TZ integrates smoothly with existing ductwork and supports efficient zoning strategies that target conditioned air only to occupied spaces, helping you save on utility bills without sacrificing comfort.

• 24V operation compatible with common control boards
• 20" round damper sized for larger zone balancing
• Normally Open design for fast, reliable response
• Truezone-ready for precise zoning and energy savings
• Durable construction with quiet, maintenance-free operation