The iO HVAC Controls ZD-AB is a modulating damper actuator board with track, providing the drive electronics that give iO zone dampers smooth, proportional actuation.

Key Features & Benefits

• Modulating actuation — smooth, proportional damper control.
• Includes mounting track — a complete actuator-board assembly.
• Direct iO damper fit — purpose-built replacement or upgrade part.

Ideal For

iO zone-damper installations that need a replacement or upgrade modulating actuator board.