Marketing InformationDue to the constant load applied to the damper blade and the unique magnetic latch, the CLBD bypass damper can be installed in any position on your bypass duct work to manage the HVAC systems static pressure during zoned operations. The CLBD minimizes bypass volume, while still preventing the HVAC system static pressure from rising above the selected static pressure set-point. The CLBD is a basic, cost effective bypass solution for constant speed or variable speed "zoned" HVAC systems.