YSSL10 Auxiliary Latch YSSL10 Auxiliary Latch YSSL10 Auxiliary Latch Offering ADA compliance and UL/cUL fire rating for up to 3 hours, the YSSL10 auxiliary latch is perfect for securing your auxiliary doors, such as dutch doors, communicating doors, or shallow closet doors. Intended as a complete solution along with Security SideLite doors from CECO and Curries, this spring latchbolt with thumbturn operation provides security and privacy in a variety of applications. Features ADA compliant thumbturn for ease of accessibility Backset: 2-3/4" Latchbolt: 1/2" brass throw For use with door thicknesses of 1-3/4" Non-handed, field reversible Strike: 371 T-strike standard Available in 7 architectural finishes Available with MicroShield® antimicrobial coating Downloads Catalog Installation Instructions Close Want to learn more? Complete the form below to get the conversation started. loading D Series Cylindrical Deadbolts Auxiliary Rim Locks Padlocks