Sargent 11G15-3 T-Zone Exit/Communicating Non-Keyed Cylindrical Lock Grade 1 with 7.6 Million Cycle Rating

Sargent T-Zone 11 Line Exit/Communicating Cylindrical Lock Grade 1 with 7.6 Million Cycle Rating

Professional Grade 1 Cylindrical Lock with Modular Design

The Sargent T-Zone 11 Line Series delivers professional-grade security with independently-verified 7.6 million cycle testing and Grade 1 ANSI/BHMA A156.2 Series 4000 certification. This non-keyed cylindrical lock features modular design for easy field function changes, fits standard 161 door prep, and accommodates door thickness from 1-3/4" to 2-1/2" with 2-3/4" standard backset. UL-cUL fire-rated up to 3 hours with T-Zone construction preventing lock twisting and torque-resistant design for demanding commercial environments.

Professional Features & Benefits

• Exceptional Durability: UL Cycle Above and Beyond test completed at 7.6 million cycles (Verification ID: V584148) for lifetime facility reliability.
• Door Compatibility: Accommodates door thickness from 1-3/4" to 2-1/2" with 2-3/4" to 5" backset range for versatile installation options.
• Modular Field-Changeable Design: Easy function changes in the field with one lockbody for multiple functions, simplifying facility maintenance.
• T-Zone Torque-Resistant Construction: Prevents lock twisting with no through bolts or surface screws, ensuring proper installation and long-term reliability.
• Universal Key System Integration: Accepts SARGENT key systems including Degree® and Signature, plus SFIC and Schlage® and Medeco® LFIC for maximum flexibility.
• Fire-Rated Performance: UL-cUL fire-rated up to 3 hours with NFPA 80 compliance for critical fire safety applications.
• Grade 1 Certification: ANSI/BHMA A156.2 Series 4000 certification ensures commercial-grade performance and reliability.
• Sustainable Construction: Made from 68% post-consumer recycled content per LEED MR credit 4 with Environmental Product Declaration (EPD).
• Manufacturer Warranty: 10-year limited warranty for added confidence and protection.

Technical Specifications

• Refer to manufacturer documentation for complete technical specifications.

Installation & Operation

1. Review manufacturer specifications and verify door preparation requirements including door thickness from 1-3/4" to 2-1/2", standard 161 door prep, and handing as applicable to this product.
2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces for proper T-Zone installation.
3. Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions for standard 161 prep.
4. Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications, ensuring T-Zone construction prevents lock twisting.
5. Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion with 2-3/4" to 5" backset configuration.
6. Test device operation to verify proper function and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.

Professional Applications

• Commercial Office Buildings
• Educational Facilities
• Healthcare Institutions
• Retail Establishments
• Industrial and Warehouse Facilities
• Multi-Tenant Residential Properties
• Government and Municipal Buildings

Why Choose Sargent Quality?

Sargent T-Zone cylindrical locks deliver professional-grade reliability with T-Zone torque-resistant construction and independently-verified 7.6 million cycle testing for demanding commercial applications. 10-year limited warranty and Grade 1 ANSI/BHMA certification ensure dependable performance where security and durability are essential. Engineered with 68% post-consumer recycled content and comprehensive certifications including UL fire-rating up to 3 hours for critical facility requirements.