25 lb-in. spring return damper actuators provide two-position, three-position, floating, or modulating control of economizer systems, ventilation dampers and combustion air dampers used in residential or commercial HVAC equipment.
Quiet, high efficiency drive motor.
Spring returns motor shaft to normal position on power interruption.
High impact, glass-fiber reinforced plastic case is rugged, lightweight and corrosion resistant.
Uses Q298B Linkage.