Garage Door Opener Repair & Sensor System Upgrade This project involved a comprehensive repair and modernization of a residential garage door system in Castro Valley, CA (Near Mabel Ave) The work focused on replacing critical safety components and upgrading to a smart garage door opener system for improved reliability and automation. Scope of Work: Installed Liftmaster 2420L Smart Garage Door Opener (1/2 HP chain drive) with advanced diagnostic capabilities Replaced 8 standard nylon rollers to restore smooth, quiet operation Installed dual Liftmaster infrared safety sensors to meet current safety standards Mounted Valiant Signature Opener with heavy-duty bracket assembly for secure installation Tested all safety sensors and door operation to ensure proper functionality Key Results: Restored full operational capacity with enhanced safety features Smart opener provides remote access and real-time status monitoring Dual sensor system ensures compliance with modern garage door safety regulations Documented with professional before/after photography This project demonstrates expertise in Liftmaster smart garage door systems, sensor integration, and safety-compliant residential installations.