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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, 2-wire installation
Reliable, strong, 24 VAC spring-return motor
Fail-safe, normally open operation
Damper can be installed in any orientation mounting on side of the duct
The ZD is a power close and spring open damper. It has a 24 V motor used to control circulating air in HVAC systems and used when a normally-open damper is required. The ZD is typically used with the TrueZONE™ and other electronic zoning systems.