Sargent 8248-ET Store Door Function Heavy Duty Double Cylinder Mortise Lock with Deadbolt - Grade 1

Sargent 8200 Series Grade 1 Heavy Duty Double Cylinder Mortise Lock with Deadbolt

Industry Benchmark Mortise Lock with Maximum Security and Performance

The Sargent 8200 Series mortise lock represents the industry benchmark for commercial mortise locks, delivering maximum security, performance, and durability with high-quality components. This Grade 1 heavy duty double cylinder lock features a 2 3/4" backset, 1 3/4" door thickness compatibility, and 3/4" latchbolt throw for robust commercial applications. The multi-functional lock body integrates with all SARGENT key systems including Degree, Signature, KESO, and XC, while exceeding independently verified testing with UL cycle testing completed at 16 million cycles.

Professional Features & Benefits

• Precise Door Specifications: Standard 2 3/4" backset depth with 1 3/4" door thickness and 3/4" latchbolt throw for reliable operation and secure latching.
• 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.
• Grade 1 Heavy-Duty Construction: ANSI/BHMA A156.13 Series 1000 Operational Grade 1 certification with patented design and construction for maximum strength and security.
• Universal Key System Integration: Integrates with all SARGENT key systems (Degree, Signature, KESO, and XC) with 6 pin or 7 pin cylinder options for flexible security management.
• Fire-Rated Performance: UL 10C Fire-Rated up to 3 hours with NFPA 80 compliance for critical fire safety applications.
• Field-Reversible Handing: Field reversible design allows on-site configuration changes, reducing inventory requirements and installation complexity.
• Multi-Functional Versatility: Available in 56 different functions including electromechanical, security and monitoring options with multifunctional lockbody for easy function switching.
• Comprehensive 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. Review manufacturer specifications and verify door preparation requirements including 1 3/4" door thickness, 2 3/4" backset, and handing as applicable to this mortise lock.
2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces for proper mortise preparation.
3. Prepare door and frame by drilling required holes and routing mortise cavity as specified in manufacturer instructions.
4. Install all mounting hardware including strike plate with curved lip configuration and secure the lock body to door per manufacturer torque specifications.
5. Adjust operational components including latchbolt throw and deadbolt for proper alignment, latching, and smooth operation throughout the full range of motion.
6. Test device operation to verify proper function of both latchbolt and deadbolt mechanisms 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 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 comprehensive protection for demanding commercial applications. Engineered as the industry benchmark with Grade 1 certification and fire-rated performance up to 3 hours, this lock ensures dependable security where reliable performance is essential.