The LiftMaster J501L5 commercial jackshaft garage door opener from Garage Door Supply Company is designed for sectional doors with high or vertical lift, and small rolling doors and grills. The industrial-duty J501L5 LiftMaster jackshaft door operator is MyQ-enabled to allow you to use an internet router to control the UL325-compliant door opener with your smart phone, computer tablet or laptop. A 3-button wall station has clearly marked buttons for open, close and stop functions on a commercial LiftMaster jackshaft door opener with a 1/2-horsepower 115-volt single-phase motor. The operator includes CPS-U commercial photo cell monitored safety sensors and a trademarked PosiLock mechanical brake system. Product Highlights:
