This professional spin-on starting collar features an integrated manual volume damper, making it a critical component for balancing airflow across multiple zones. It is designed to establish a branch run directly from a flat rectangular plenum or main sheet metal trunk line.
Constructed from rigid 24-gauge steel, this heavy-duty collar offers excellent structural integrity and easily handles higher static pressures. The spin-on installation mechanism allows sheet metal technicians to create rapid, secure attachments, while the built-in damper handle enables simple manual tuning of individual room air supply.
Before ordering, verify that the UDSC07 model specifications and physical dimensions match your project's round branch piping requirements. Working closely with an experienced HVAC professional ensures proper hole cutting, an airtight mechanical seal, and accurate balancing for optimized climate control.
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