Products Architectural Louvers, Dampers, Roof Curbs, Actuators, Grilles, Sunshades and more. Dampers - Small Motorized Round Dampers: Model:MI-MZ-1, OB-MZ-1 Modulating Motorized Damper for Low Pressure Systems APPLICATION The MZ systems are simple, stand alone, single zone systems that work independently of the HVAC unit to maintain temperature setpoint. MI-MZ-1, OB-MZ-1 DOCUMENTS - Submittal Sheet - MZ-1 & 2 Wiring Diagram - MI-MZ-1, MI-MZ-2 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