Old Number ZD18X8TZ

Power close and spring open damper - 24 volt motor used to control circulating air in HVAC systems and used when a normally open damper is required.

Mechanical visual position indicator for damper status - Solid construction using extruded aluminum frame and blades

Parallel blade design for low leakage performance - Simple, easy to wire, two wire installation - Reliable, strong, 24 volt spring return motor

Fail safe, normally open operation