ABH 4400RA Series Surface Mount Medium Duty Overhead Door Holder & Stop with Adjustable Opening ControlProfessional Overhead Door Control SolutionThe ABH 4400RA Series delivers reliable overhead door control with surface mount installation for medium duty applications. This non-handed unit features an internal channel slide system that allows field-adjustable opening degrees from 85 to 110 in 5 increments. Designed for doors ranging from 1-3/4" to 2-1/4" thick, it provides stop, hold-open, and friction functions for both interior and exterior installations on frequent traffic and heavy weight doors.Professional Features & BenefitsAdjustable Opening Control: Internal channel slide allows field adjustment from 85 to 110 opening in 5 increments for precise door positioning.Door Thickness Compatibility: Standard fasteners with sex bolts accommodate doors from 1-3/4" to 2-1/4" thick with options available for other thicknesses.Shock Absorbing Design: Built-in spring provides 3 to 5 cushion before dead-stop for smooth operation and reduced wear.Multi-Function Operation: Combines stop, hold-open, and friction functions in a single unit for versatile door control.Fire Door Compatibility: UL Listed as Miscellaneous Fire Door Accessories for wood fire doors up to 90 minutes and metal fire doors up to 3 hours (stop function only).Universal Installation: Non-handed design suitable for both interior and exterior use on frequent traffic and heavy weight doors.Medium Duty Construction: Engineered for commercial applications with average weight of 5 lbs per unit for reliable performance.BAA Qualified: Meets Buy American Act requirements for qualifying projects and government installations.Technical SpecificationsBAA Qualified: YesCommercial/Residential: CommercialDepartment: Door HardwareKeyed: N/AKeyed Function: N/APDF:4400RA Series Surface Mount, Medium Duty Overhead Holder & Stop, Adjustable: https://.com/content/pdf/abh/0002560_4400ra_1_2_00.pdfPDF:Overhead Holders/Stops - Lead Lining: https://.com/content/pdf/abh/0002593_lead_lining_option_00.pdfPDF:Tech Memo: https://.com/content/pdf/abh/0002580_tm_surface_overhead_holders_stops_with_blade_stops_00.pdfProduct Category: Door ControlsProduct Group: Door ControlsProduct Model: 4400RAProduct Subgroup: Overhead Stops and HoldersProduct Type: Overhead Stops and Holders - Surface MountSeries: 4400RA SeriesSubcategory: Door Stops & HoldersProfessional ApplicationsCommercial Office BuildingsEducational FacilitiesHealthcare InstitutionsRetail EstablishmentsIndustrial and Warehouse FacilitiesMulti-Tenant Residential PropertiesGovernment and Municipal BuildingsWhy Choose ABH Quality?ABH 4400RA Series overhead door holders deliver professional-grade reliability with medium duty construction rated for frequent traffic and heavy weight doors. UL Listed for fire door applications up to 3 hours on metal doors and 90 minutes on wood doors, with BAA qualification for government projects. Engineered for demanding commercial applications where dependable door control and adjustable positioning are essential.