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The SDC - SECURITY DOOR CONTROLS B2Q is a latch assembly designed as a replacement or service component for the 7200 Series bolt lock product line. It provides the mechanical latching function within the door hardware assembly, engaging the strike plate to secure a door in the closed position. The backset measures 2.375 inches, which determines the correct door prep and strike placement. This type of component is typically installed by locksmiths, commercial door hardware technicians, or security system integrators working on access-controlled entry points.
The B2Q latch assembly is suited for commercial and institutional door applications where the 7200 Series bolt lock is already in use. It serves as a direct-fit service part for maintaining or restoring proper latch function on existing installations. Typical applications include office entryways, stairwell doors, and other access-controlled openings requiring a standard 2.375-inch backset latch mechanism.
Designed as a replacement latch assembly for the SDC 7200 Series bolt lock line.
Installation of this latch assembly should be performed by a qualified locksmith or commercial door hardware technician. Ensure the door is secured in the open position and that any associated access control power is disconnected before beginning work. Verify door thickness, backset measurement, and strike plate alignment before completing the installation. Consult local building and fire codes for requirements governing latching hardware on rated door assemblies.
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