BEST Precision 2303 Series Mortise Exit Device with Key Retracts LatchboltProfessional Mortise Exit Device SolutionThe BEST Precision 2303 Series Mortise Exit Device delivers Grade 1 commercial performance with key-retractable latchbolt functionality. Designed for doors up to 4′-0″ wide and 1-3/4″ thick, this handed device features heavy wrought brass, bronze, or stainless steel construction with investment cast steel chassis. UL Listed for panic and fire exit hardware applications with ANSI/BHMA Grade 1 certification for demanding commercial installations.Professional Features & BenefitsDoor Compatibility: Accommodates doors up to 4′-0″ wide and 1-3/4″ thick 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.Investment Cast Steel Chassis: Zinc dichromated investment cast steel chassis provides robust structural integrity for high-traffic environments.ANSI Compliance: Covers ANSI A115.2 (Type 161), A115.18 cylinder lock and A115.1 (Type 86) mortise lock preparation for standardized installation.Grade 1 Certification: ANSI/BHMA certified for ANSI 156.3, Grade 1 performance standards ensuring reliable operation in commercial applications.UL Listed Safety: UL Listed for both panic and fire exit hardware applications providing code compliance and safety assurance.Field Reversibility: Touchbar assembly, mortise lock and trim may be reversed in the field for installation flexibility.Retrofit Compatibility: 2300 Series devices designed to retrofit into other manufacturers’ mounting hole locations for upgrade applications.Technical SpecificationsCommercial/Residential: CommercialDepartment: Door HardwareLock Type: MortiseProduct Category: Exit Devices and TrimProduct Group: Exit Devices and TrimProduct Subgroup: Exit Devices – MortiseProduct Type: Exit Devices – MortiseSeries: 2300 SeriesSubcategory: Mortise Exit DevicesInstallation & OperationReview 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/or 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 ApplicationsCommercial Office BuildingsEducational FacilitiesHealthcare InstitutionsRetail EstablishmentsIndustrial and Warehouse FacilitiesMulti-Tenant Residential PropertiesGovernment and Municipal BuildingsWhy Choose BEST Quality?BEST Precision mortise exit devices deliver professional-grade reliability with heavy wrought brass, bronze, and stainless steel construction rated for ANSI/BHMA Grade 1 performance. UL Listed for panic and fire exit hardware applications with investment cast steel chassis engineering. Engineered for demanding commercial applications where dependable performance and code compliance are essential.