Products Architectural Louvers, Dampers, Roof Curbs, Actuators, Grilles, Sunshades and more. Balancing / Regulating Dampers - Remote Control Twisting Cable System: Model:RD-RC Round Single Blade Damper APPLICATION The Model RD-RC was developed for air balancing at the mid/duct above inaccessible ceilings with twisting cable adjustment at a terminal controller. RD-RC DOCUMENTS - Submittal Sheet - Twisting Cable Controllers - Twisting Cable Installation Instructions - RD-RC BIM (REVIT) Drop Plenum Diffusers Balancing / Regulating Dampers UV Products Iris Dampers Louvers Dampers UL Listed Dampers Roof Curbs and Rails Sunshades Architectural Grilles Ventilators Doors Actuators Fans Air Measuring Products VAV Terminals Security Bars & Grilles Plenums Duct Take-Offs Custom Work Manufacturer Cross Referencing System View Now Previous Next