Sargent 8229 Heavy Duty Mortise Lock with Double Cylinder Deadbolt - Grade 1 Dummy Trim

Sargent 8229 Heavy Duty Mortise Lock with Double Cylinder Deadbolt and Grade 1 Dummy Trim

Industry Benchmark Mortise Lock with Maximum Security and Performance

The Sargent 8229 heavy duty mortise lock represents the industry benchmark for maximum security, performance, and durability in commercial door hardware. This heavy-duty lever-style mortise lock features a multi-functional lock body with 2 3/4" backset, 1 3/4" door thickness compatibility, and 3/4" latchbolt throw. Built with high-quality components and patented design construction, this Grade 1 mortise lock integrates with all SARGENT key systems including Degree, Signature, KESO, and XC. The electromechanical version operates from 12 to 24VDC with EcoFlex technology reducing power consumption up to 96%.

Professional Features & Benefits

• 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.
• Precision Dimensions: 2 3/4" backset with 1 3/4" door thickness compatibility and 3/4" latchbolt throw for reliable operation and proper door preparation.
• EcoFlex Energy Technology: Electromechanical functions utilize EcoFlex technology creating up to 89% energy savings while maintaining reliable 12 to 24VDC operation.
• Heavy-Duty Construction: Patented design and construction with robust multi-functional lock body engineered to far exceed independently verified testing standards.
• Universal Key System Integration: Compatible with all SARGENT key systems (Degree, Signature, KESO, and XC) for seamless integration into existing security infrastructure.
• Comprehensive Function Options: Available in 56 different functions including electromechanical, security and monitoring configurations for versatile application requirements.
• Field-Reversible Handing: Standard 2 3/4" backset with field-reversible handing capability simplifies installation and reduces inventory requirements.
• Fire-Rated Certification: UL 10C Fire-Rated up to 3 hours with NFPA 80 compliance for critical fire safety applications.
• Manufacturer Warranty: 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) 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 any configurable options per application requirements.
6. Restore power and test all functions including normal operation, alarm/alert functions, and integration with connected 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
• Educational Facilities
• Healthcare Institutions
• Retail Establishments
• Industrial and Warehouse Facilities
• Multi-Tenant Residential Properties
• Government and Municipal Buildings

Why Choose Sargent Quality?

Sargent mortise locks deliver professional-grade reliability with patented design 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 with multiple certifications including ANSI/BHMA Grade 1, UL 10C Fire-Rated, and ADA compliance, these locks represent the strongest and most durable mortise lock solution in the industry where dependable performance is essential.

Product Documentation & Resources

• [Catalog] SARGENT Full Line Catalog