BEST Precision 2308 Series Mortise Exit Device with Key Control Lever
Professional Mortise Exit Device Solution
The BEST Precision 2308 Series Mortise Exit Device delivers Grade 1 performance for commercial door applications requiring key control functionality. This handed device accommodates doors from 1-3/4" thick up to 4'-0" wide openings with standard 2-3/4" backset configuration. Featuring heavy wrought brass, bronze, or stainless steel construction with investment cast steel chassis, this UL listed panic and fire exit hardware meets ANSI/BHMA certification for ANSI 156.3, Grade 1 requirements.
Professional Features & Benefits
- Door Compatibility: Designed for 1-3/4" thick doors up to 4'-0" wide openings with standard 3'-0" wide configuration for versatile commercial applications.
- Heavy-Duty Construction: Cover, touchbar, device channel, lock/hinge side filler and end cap manufactured from heavy wrought brass, bronze or stainless steel for exceptional durability.
- Grade 1 Certification: BHMA certified for ANSI 156.3, Grade 1 performance standards ensuring reliable operation in demanding commercial environments.
- UL Listed Performance: UL listed panic and fire exit hardware provides code-compliant safety and security for critical applications.
- Mortise Lock Integration: Covers ANSI A115.1 (Type 86) mortise lock preparation with stainless steel deadlocking latchbolt featuring 3/4" throw and anti-friction design.
- Field Reversibility: Touchbar assembly, mortise lock and trim may be reversed in the field for installation flexibility, with complete device reversibility available with appropriate mortise strike.
- Retrofit Compatibility: 2300 Series devices designed to retrofit into other manufacturers' mounting hole locations for upgrade applications.
- Professional Dogging: Standard 1/4" turn hex key dogging mechanism for authorized override functionality (not available on fire exit hardware).
Technical Specifications
- Commercial/Residential: Commercial
- Department: Door Hardware
- Handle Type: Lever
- Lock Type: Mortise
- Product Category: Exit Devices and Trim
- Product Group: Exit Devices and Trim
- Product Subgroup: Exit Devices - Mortise
- Product Type: Exit Devices - Mortise
- Series: 2300 Series
- Subcategory: Mortise Exit Devices
Installation & Operation
- Review manufacturer specifications and verify door preparation requirements including door thickness, stile width, and handing as applicable to this product.
- Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces.
- Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions.
- Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications.
- Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion.
- 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
- Commercial Office Buildings
- Educational Facilities
- Healthcare Institutions
- Retail Establishments
- Industrial and Warehouse Facilities
- Multi-Tenant Residential Properties
- Government and Municipal Buildings
Why Choose BEST Quality?
BEST Precision mortise exit devices deliver professional-grade reliability with heavy wrought brass, bronze, and stainless steel construction rated for Grade 1 commercial performance. UL listed for panic and fire exit applications with ANSI/BHMA certification ensuring dependable operation in demanding commercial environments. Engineered for demanding commercial applications where code compliance and dependable performance are essential.
Manufacturer Resources
Product Specs
- Series:
- 2300 Series
- Product Group:
- Exit Devices and Trim
- Product Subgroup:
- Exit Devices - Mortise
- Subcategory:
- Mortise Exit Devices
- Commercial/Residential:
- Commercial
- Product Type:
- Exit Devices - Mortise
- Lock Type:
- Mortise
- Handle Type:
- Lever
- Product Category:
- Exit Devices and Trim
- Department:
- Door Hardware