iO HVAC Controls EB-2420 Electronic 24 X 20 Bypass DamperiO HVAC Controls EB 2420 ACTUATORS ARE INSTALLED ON 2ND DIMENSION Electronic 24 x 20 Bypass Damper Height: 24 Width: 20 Total Size: 24 x 20 Actuator Placement on the dimension: 20 Additional Information Item NumberEB 2420 BrandiO HVAC Controls MotorizedYes ShapeRectangular Size (in)24 x 20 Spring ReturnNon Spring Return TypeBypass Dampers