Damper Can Be Installed in Any Orientation (Mounting Side Can Be on Either the Bottom or the Side of the Duct)
Solid Construction Using Extruded Aluminum Frame and Blades
Mechanical Visual Position Indicator for Damper Status
Parallel Blade Design for Low Leakage Performance
Reliable, Strong, 24‑Volt Spring‑Return Motor
Simple, Easy‑to‑Wire, Two‑Wire Installation
Fail‑Safe, Normally Open Operation
Adjustable Range Stops
The ZD is a power close and spring open damper. It has a 24‑volt motor used to control circulating air in heating, cooling and ventilating systems. It is used when a normally‑open damper is required. The ZD is typically used with the TrueZONE systems and other electronic zoning systems.