iO HVAC Controls RM-2210-BM Rheem 22 X 10 Rectangular Bottom Mount Zone Damper, 35 Second Belimo ActuatoriO HVAC Controls RM 2210 BM ACTUATORS ARE INSTALLED ON 2ND DIMENSION Rheem 22 x 10 Rectangular bottom mount Zone Damper, 35 second Belimo actuator Height: 22 Width: 10 Total Size: 22 x 10 Actuator Placement on the dimension: 22 Additional Information Item NumberRM 2210 BM BrandiO HVAC Controls MotorizedYes ShapeRectangular Size (in)22 x 10 Spring ReturnNon Spring Return TypeRectangular Dampers