LiftMaster 8550 Garage Door Opener

LiftMaster 8550 Garage Door Opener

LiftMaster 8550 Garage Door Opener

Take convenience and safety to a whole new level with the LiftMaster® 8550. The reliable, integrated Battery Backup System guarantees access in and out of your garage, even when the power is out.

  • Equipped with MyQ® technology that lets you monitor and control your garage door and house lights remotely by using a computer or smartphone (LiftMaster® Internet Gateway accessory required). The LiftMaster® Internet Gateway is only compatible with LiftMaster® garage door opener models 8550, 8360 and 8500 (which have a yellow learn button)
  • Timer-to-Close feature allows the door to automatically close after a pre-programmed number of minutes
  • Auto-force feature constantly monitors garage door system and adjusts forces to temperature fluctuations, floor height, and door track movement
  • The Smart Garage Door Opener® lets you electronically program security codes from the Smart Control Panel® or the powerhead
  • Enclosed gear case provides continous lubrication for longer life and smoother operation
  • A 6-foot power cord makes connecting to a power source easier than ever
  • Whole-garage lighting with adjustable light time delay; compatible with CFL bulbs
  • Energy-efficient operation consumes up to 75% less power in standby mode
  • HOMELINK® compatible with QuickTrain™ technology
  • Meets all UL325 requirements

  • The Protector System® safety sensors project an invisible light beam across the garage door opening and automatically reverses the door if anything interrupts the beam while door is going down
  • Sensing technology will stop the door from closing if contact is made with a person or object
  • Opener lights turn on automatically when The Protector System's infrared beam is interrupted
  • Security+2.0™ rolling code technology eliminates frequency interference and assures a new code is sent every time the remote control is used
  • Patented PosiLock® system ensures the door remains securely locked when it is closed
  • Alert-2-Close warning system provides audible and visual warnings that the garage door is about to close when using the Timer-to-Close or remote closing features
  • Manual release handle in case of power failure

  • Lifetime motor and belt warranty 
  • 5-year parts warranty
  • 1-year warranty on Battery Backup Battery

To reduce the risk of injury to persons - When the LiftMaster® Internet Gateway is used with garage door openers, the operator must be installed with sectional doors. 

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