Sargent 8226 Grade 1 Heavy Duty Double Cylinder Mortise Lock with Deadbolt and EcoFlex TechnologyIndustry Benchmark Mortise Lock with Maximum Security and PerformanceThe Sargent 8226 represents the industry benchmark for maximum security, performance, and durability in commercial door hardware. This Grade 1 heavy duty double cylinder mortise lock with deadbolt features a 2 3/4″ backset, 1 3/4″ door thickness compatibility, and 3/4″ latchbolt throw for robust security applications. The electromechanical version operates from 12 to 24VDC with EcoFlex technology that reduces power consumption up to 96%, while the multi-functional lock body accommodates field reversible handing and integrates with all SARGENT key systems including Degree, Signature, KESO, and XC.Professional Features & Benefits Exceptional Durability Testing: UL Cycle Above and Beyond test completed at 16 million cycles (Verification ID: V584148) for unmatched reliability in high-traffic commercial applications. Dimensional Specifications: 2 3/4″ backset with 1 3/4″ door thickness compatibility and 3/4″ latchbolt throw for secure installation in standard commercial door preparations. EcoFlex Energy Technology: Advanced electromechanical functions create up to 89% energy savings while maintaining 12 to 24VDC operational flexibility with up to 96% power consumption reduction. Grade 1 Security Performance: ANSI/BHMA A156.13 Series 1000 Operational Grade 1 certification with heavy duty construction exceeding independently verified testing standards. Universal Key System Integration: Compatible with all SARGENT key systems (Degree, Signature, KESO, and XC) for comprehensive master keying flexibility across 56 different functions. Fire-Rated Construction: UL 10C Fire-Rated up to 3 hours with NFPA 80 compliance for life safety applications in commercial buildings. Multi-Functional Design: Available in 56 different functions including electromechanical, security and monitoring options with field-reversible handing for installation versatility. Manufacturer Warranty: 10-year limited warranty with 2-year coverage on electrical components for long-term reliability assurance and comprehensive protection.Technical Specifications Refer to manufacturer documentation for complete technical specifications.Installation & Operation Verify electrical requirements match available power supply. Confirm voltage (12 to 24VDC) and current capacity before proceeding. Disconnect power supply before beginning installation. Follow all applicable electrical codes and safety procedures. Mount the unit in the specified location ensuring adequate clearance for wiring access, ventilation, and future service requirements. Route and connect wiring according to manufacturer wiring diagrams. Use appropriate wire gauge and connectors for the application. Configure operational settings including field-reversible handing and any configurable options per application requirements. Restore power and test all functions including normal operation, electromechanical functions, and integration with connected systems. Complete final inspection and document settings. Refer to manufacturer documentation for complete wiring diagrams, programming instructions, and troubleshooting.Professional Applications Commercial Office Buildings Educational Facilities Healthcare Institutions Retail Establishments Industrial and Warehouse Facilities Multi-Tenant Residential Properties Government and Municipal BuildingsWhy Choose Sargent Quality?Sargent mortise lock products deliver professional-grade reliability with patented design and construction rated for 16 million cycles in UL testing. The 10-year limited warranty with 2-year electrical component coverage provides comprehensive protection for demanding commercial applications. Engineered as the industry benchmark with Grade 1 performance and fire-rated construction up to 3 hours, these locks provide dependable security where maximum performance is essential.