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LiftMaster 8155


This Contractor Series Garage Door Opener is the ideal choice for dependable performance. Its durable 1/2 HP motor combined with an industrial-strength belt drive provide smooth, steady performance year after year.

The LiftMaster 8155 features MyQ Technology which allows you to confidently know what’s going on at home. It lets you monitor and control your garage door opener and home lighting from anywhere (when paired with the Internet Gateway). The LiftMaster 8155 requires 828LM MyQ Internet Gateway to connect to MyQ Smartphone App. For your peace of mind, the LiftMaster 8155 is compatible with HomeLink®. The LiftMaster 8155 consumes up to 75% less power in standby mode.

All LiftMaster Openers, Operators, and Systems should be purchased through a Dealer and professionally installed.


  • Receive email or text alerts so you always know the status of your garage door and home lighting.
  • Download the MyQ® mobile app for free. No annual activation fee required.

Exceptional Performance

  • Rely on durable and powerful performance with our P3 Motors™, which are specifically built for use in Garage Door Openers.
  • Appreciate years of reliable, maintenance-free service from our powerful yet ultra-quiet, AC motor Belt Drive System.
  • Have peace of mind with our four-year motor, ten-year belt and one-year parts warranties.

Safety & Security

  • Safeguard your household with Security+ 2.0™- with every click, a new code is sent to the Garage Door Opener, so the door opens only for you.
  • Stay out of harms way with audio and visual warnings when the garage door is about to close.
  • Prevent the door from closing if anything interrupts the safety beam that crosses the garage door opening.
  • Lock down your garage door against a forced opening with PosiLock®.
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