LCN 4030 Series Grade 1 Arm and Forearm AssemblyProfessional Door Closer Replacement ComponentThe LCN 4030 Series Grade 1 Arm and Forearm Assembly provides reliable replacement components for 4030 Series door closers. This Grade 1 rated assembly ensures continued professional performance and ADA compliance in commercial door control applications. Engineered to LCNs exacting standards for durability and precise operation.Professional Features & BenefitsGrade 1 Performance: Meets BHMA Grade 1 standards for heavy-duty commercial door closer applications with superior durability and reliability.ADA Compliance: Certified ADA compliant design ensures accessibility requirements are maintained for barrier-free operation.4030 Series Compatibility: Specifically engineered for seamless integration with LCN 4030 Series door closers for precise fit and function.Commercial-Grade Construction: Built to withstand demanding commercial environments with consistent performance over extended service life.Professional Replacement Solution: Genuine LCN replacement component maintains original equipment performance and warranty compliance.Precision Engineering: Manufactured to exact specifications ensuring proper door control operation and adjustment capabilities.Technical SpecificationsADA Compliant: YesCommercial/Residential: CommercialDepartment: Door HardwareParts and Accessories Type: Replacement PartsProduct Attribute: Parts and AccessoriesProduct Category: Door ControlsProduct Group: Door ControlsProduct Model: 4030-77Product Subgroup: Parts and AccessoriesProduct Type: Arm and ForearmSeries: 4030 SeriesSubcategory: Parts and AccessoriesProfessional ApplicationsCommercial Office BuildingsEducational FacilitiesHealthcare InstitutionsRetail EstablishmentsIndustrial and Warehouse FacilitiesMulti-Tenant Residential PropertiesGovernment and Municipal BuildingsWhy Choose LCN Quality?LCN door closer components deliver professional-grade reliability with Grade 1 construction rated for demanding commercial applications. ADA compliant design ensures accessibility compliance while maintaining the precision engineering LCN is known for. Genuine replacement parts preserve original equipment performance and ensure continued reliable door control operation.