Sargent 8237-ET Grade 1 Classroom Function Mortise Lock with Escutcheon TrimIndustry Benchmark Mortise Lock with Maximum Security and PerformanceThe Sargent 8237-ET represents the industry benchmark for commercial mortise locks, delivering maximum security, performance, and durability with Grade 1 certification. This classroom lock function features heavy-duty construction with a 2 3/4" backset, 3/4" latchbolt throw, and field reversible handing for 1 3/4" door thickness. The multi-functional lock body integrates with all SARGENT key systems including Degree, Signature, KESO, and XC, while exceeding UL cycle testing at 16 million cycles for exceptional durability.Professional Features & Benefits Heavy-Duty Durability: UL Cycle Above and Beyond test completed at 16 million cycles (Verification ID: V584148) for long-term reliability in high-traffic commercial applications. Grade 1 Performance: ANSI/BHMA A156.13 Series 1000 Operational Grade 1 certification ensures maximum security and performance standards. Precision Construction: 2 3/4" backset depth with 3/4" latchbolt throw and curved lip strike for secure latching performance on 1 3/4" door thickness. Field Reversible Design: Handing can be changed on-site for installation flexibility without requiring different inventory. Universal Key System Compatibility: Integrates with all SARGENT key systems (Degree, Signature, KESO, and XC) for flexible master keying options. Multi-Functional Capability: Available in 56 different functions including electromechanical, security and monitoring options with easy on-site function switching. Fire-Rated Performance: UL 10C Fire-Rated up to 3 hours with positive pressure certification for life safety applications. Manufacturer Warranty: 10-year limited warranty with 2-year coverage on electrical components for added confidence and protection.Technical Specifications Refer to manufacturer documentation for complete technical specifications.Installation & Operation Review manufacturer specifications and verify door preparation requirements including door thickness of 1 3/4", 2 3/4" backset, and handing as applicable to this mortise lock. Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces for proper mortise preparation. Prepare door and frame by drilling required holes and routing mortise cavity as specified in manufacturer instructions. Install all mounting hardware and secure the lock body to door and strike to frame per manufacturer torque specifications. Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion with 3/4" latchbolt throw. 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 Educational Facilities and Classroom Security Commercial Office Buildings Healthcare Institutions Government and Municipal Buildings Multi-Tenant Residential Properties Industrial and Warehouse Facilities Retail EstablishmentsWhy Choose Sargent Quality?Sargent 8200 Series mortise locks deliver professional-grade reliability with patented design and construction rated for 16 million cycles in independent UL testing. The 10-year limited warranty with 2-year electrical component coverage demonstrates the manufacturer's confidence in long-term performance. Engineered for demanding commercial applications where dependable security and maximum durability are essential.