3255 CW detail

 

371LM CW detail

78LM CW detail

 

 

 

OWNER'S MANUAL

8165
1/2 HP Chain Drive Garage Door Opener

Rugged, reliable performance is what you'll get with the LiftMaster® 3255 1/2 HP Chain Drive Garage Door Opener. Its durable 1/2 HP motor combined with an industrial-strength chain drive provide smooth, steady performance year after year. Part of the Contractor Series, it is the choice for value and reliability.

Connectivity

  • MyQ® Technology enables you to securely monitor and control your garage door opener and houselights with your smartphone, tablet or computer. (Requires purchase of Internet Gateway (828LM)).
  • Alerts can be received as email or pop-up (push) notifications on your mobile device so that you always know the status of your garage door and houselights.
  • MyQ mobile app is a free download requiring no activation or subscription fees.

    Performance
  • P3 Motors™ are reliable, durable and powerful – designed specifically for your needs.
  • 1/2 HP AC motor with industrial-strength chain drive provides steady performance and lifting power.
  • Energy-efficient operation consumes up to 75% less power in standby mode.

Safety and Security

  • Security+ 2.0® safeguards your household – with every click a new cod is sent to the garage door opener so that the door opens only for you.
  • PosiLock® locks down your garage door by electronically monitoring against a forced opening.
  • Alert-2-Close warning system provides audible and visual warnings when the garage door is about to close when using MyQ Technology.
  • The Protector System® has safety sensors that project a light beam
  • across the garage door opening, automatically reversing the door if anything interrupts the beam.

WARRANTY

  • 4-year motor warranty
  • 1-year parts warranty