24-volt, spring return, power closed damper used to control circulating air in heating, cooling, and ventilating systems.

• Solid construction using extruded aluminum frame and blades
• Parallel blade design for low leakage performance
• Quieter operation with fewer blades
• Fail-safe, normally open operation
• Rated up to 1 in. wc static pressure
• Motor mounted on dimension "B" side
• Dimensions in inches