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The IO HVAC CONTROLS mbd-1010 is a manual balancing damper designed to regulate and control airflow in ductwork systems. The unit measures 10 x 10 inches and features a locking quadrant mechanism that holds the blade at a set position after adjustment. HVAC technicians use this damper during system commissioning and balancing to fine-tune airflow distribution across supply or return zones. It is a straightforward, mechanically operated component with no actuator or controller required.
This damper is suited for residential and light commercial HVAC applications where manual airflow adjustment is acceptable. It installs in rectangular duct runs and is adjusted by hand using the locking quadrant, which prevents blade creep after setting. It is a practical solution for zone balancing, diffuser feed lines, and branch duct applications where fixed-position dampers are specified.
Designed as an OEM-style manual balancing damper for installation in standard 10 x 10 inch rectangular ductwork in residential and light commercial forced-air HVAC systems.
Installation should be performed by a qualified HVAC technician. The air handling system should be shut down and locked out before inserting or securing the damper in the duct. The damper is typically fastened using sheet metal screws through the duct collar and sealed with mastic or foil tape per applicable mechanical codes. After installation, the locking quadrant should be set to the desired position during final air balancing procedures.
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