Sargent 8243 Apartment Corridor Function Mortise Lock with Heavy Duty Single Cylinder Deadbolt - Grade 1

Sargent 8200 Series Apartment Corridor Mortise Lock with Heavy Duty Single Cylinder Deadbolt - Grade 1 Commercial

Industry Benchmark Heavy Duty Mortise Lock with Maximum Security Performance

The Sargent 8200 Series mortise lock represents the industry benchmark for maximum security, performance, and durability in commercial door hardware. This apartment corridor function model features a heavy duty single cylinder with deadbolt configuration, delivering Grade 1 operational performance with a 2 3/4" backset and 3/4" latchbolt throw for 1 3/4" door thickness. The multi-functional lock body integrates with all Sargent key systems including Degree, Signature, KESO, and XC, while meeting ANSI/BHMA A156.13 Series 1000 standards with UL 10C fire rating up to 3 hours.

Professional Features & Benefits

• Standard Door Specifications: Designed for 1 3/4" door thickness with 2 3/4" backset depth and 3/4" latchbolt throw for reliable operation and secure latching.
• Exceptional Durability Rating: UL Cycle Above and Beyond test completed at 16 million cycles (Verification ID: V584148) for unmatched longevity in high-traffic commercial applications.
• EcoFlex Technology: Electromechanical version operates from 12 to 24VDC with EcoFlex technology reducing power consumption up to 96% for energy-efficient access control integration.
• Heavy-Duty Construction: Patented design and construction with high-quality components engineered to far exceed independently verified testing standards.
• Universal Key System Compatibility: Integrates with all Sargent key systems (Degree, Signature, KESO, and XC) with 6 pin or 7 pin cylinder options for flexible master keying.
• Comprehensive Fire Rating: UL 10C positive pressure fire-rated up to 3 hours with NFPA 80 compliance for critical fire safety applications.
• Field Reversible Handing: Convenient field reversible configuration reduces inventory requirements and simplifies installation planning.
• Extended Warranty Coverage: 10-year limited warranty with 2-year coverage on electrical components for long-term protection and confidence.

Technical Specifications

• Refer to manufacturer documentation for complete technical specifications.

Installation & Operation

1. Verify electrical requirements match available power supply. Confirm voltage (12 to 24VDC for electromechanical version) and current capacity before proceeding.
2. Disconnect power supply before beginning installation. Follow all applicable electrical codes and safety procedures.
3. Mount the unit in the specified location ensuring adequate clearance for wiring access, ventilation, and future service requirements.
4. Route and connect wiring according to manufacturer wiring diagrams. Use appropriate wire gauge and connectors for the application.
5. Configure operational settings including field reversible handing and any configurable options per application requirements.
6. Restore power and test all functions including normal operation, deadbolt engagement, and integration with connected access control systems.
7. Complete final inspection and document settings. Refer to manufacturer documentation for complete wiring diagrams, programming instructions, and troubleshooting.

Professional Applications

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

Why Choose Sargent Quality?

Sargent 8200 Series mortise locks 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 exceptional protection for demanding commercial applications. Engineered with high-quality components and comprehensive certifications including ANSI/BHMA Grade 1, UL 10C fire rating, and ADA compliance, this lock represents the strongest and most durable mortise lock solution where dependable performance is essential.

Product Documentation & Resources

• [Catalog] SARGENT Full Line Catalog
• [Catalog] SARGENT 7800/8200 Mortise Lock Catalog
• [Template] 7800 & 8200 Mortise Lock Installation Template
• [Installation Guide] KP8200 Keypad Mortise Lock Programming Instructions