Products Architectural Louvers, Dampers, Roof Curbs, Actuators, Grilles, Sunshades and more. Balancing / Regulating Dampers - Remote Control Power/Balance System: Model:i-3 Single Blade Round Power/Balance™ Damper APPLICATION The Model i-3 was developed for air balancing at the mid/duct above inaccessible ceilings with adjustments accomplished by a hand-held battery power pack. I-3 DOCUMENTS - Submittal Sheet - Operation & Maintenance - Terminal Connectors - CSI Division 23 3-Part Guide Specifications - i-3 Cad Details - i-3 BIM (REVIT) UV Products Iris Dampers Drop Plenum Diffusers Balancing / Regulating 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