Sargent 8250-ET Hotel Guest Lock Function Heavy Duty Mortise Lock with Deadbolt and Escutcheon Trim
Industry Benchmark Mortise Lock with Maximum Security and Performance
The Sargent 8250-ET represents the industry benchmark for commercial mortise locks, delivering maximum security, performance, and durability with high-quality components. This heavy duty lever-style mortise lock features a 2 3/4" backset, 1 3/4" door thickness compatibility, and 3/4" latchbolt throw for reliable operation. 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 Grade 1 operational standards.
Professional Features & Benefits
- Standard Door Compatibility: Designed for 1 3/4" door thickness with 2 3/4" backset depth and 3/4" latchbolt throw for reliable installation.
- Heavy-Duty Durability: UL Cycle Above and Beyond test completed at 16 million cycles (Verification ID: V584148) for exceptional longevity in high-traffic applications.
- Grade 1 Performance: ANSI/BHMA A156.13 Series 1000 Operational Grade 1 certification with curved lip strike type for commercial-grade reliability.
- 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 Construction: UL 10C Fire-Rated up to 3 hours with UL-cUL listing and NFPA 80 compliance for life safety applications.
- Multi-Functional Design: Available in 56 different functions including electromechanical, security and monitoring options with field reversible handing for versatile applications.
- EcoFlex Technology: Electromechanical versions operate from 12 to 24VDC with EcoFlex technology creating up to 89% energy savings and 96% power consumption reduction.
- Comprehensive 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 1 3/4" door thickness, 2 3/4" backset depth, 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 for the lock body and strike.
- Install all mounting hardware including the mortise lock body, escutcheon trim, and curved lip strike 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
- Hotel and Hospitality Guest Rooms
- Commercial Office Buildings
- Healthcare Patient Rooms
- Educational Facility Dormitories
- Multi-Tenant Residential Properties
- Government and Municipal Buildings
- Industrial and Warehouse Administrative Areas
Why Choose Sargent Quality?
Sargent 8250-ET 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 demonstrates the manufacturer's confidence in long-term performance. Engineered for demanding commercial applications where dependable security and durability are essential, these locks exceed independently verified testing standards to provide the strongest and most durable mortise lock performance in the industry.
Manufacturer Resources
Product Specs
- Series:
- 8200 Series
- Grade:
- Grade 1
- Keyed Function:
- Single Cylinder
- Product Group:
- Mechanical Locks
- Product Subgroup:
- Bored Locksets
- Subcategory:
- Bored Locksets
- Keyed:
- Yes
- Commercial/Residential:
- Commercial
- Lock Type:
- Mortise
- Lock Function:
- Hotel Guest Lock
- Product Type:
- Mortise Locks
- Duty Level:
- Heavy Duty
- Handle Type:
- Lever
- Product Attribute:
- Mortise Locks
- Electronic:
- No
- Product Function:
- Hotel/Motel
- Product Category:
- Mechanical Locks
- Collection:
- 8200 Series
- Department:
- Door Hardware