LiftMaster 841LM Automatic Garage Door Lock

Description

LiftMaster 841LM Automatic Garage Door Lock – Secure Smart Accessory for MyQ Systems – Smart Home Maven

Product Description

The LiftMaster 841LM Automatic Garage Door Lock is the ultimate add-on for homeowners looking to elevate their garage door security. Compatible with MyQ-enabled garage door openers, this lock automatically secures the door every time it closes, offering uncompromising protection against forced entry. The solid steel deadbolt design provides an extra layer of safety by physically securing the garage door, which is especially beneficial for homes with attached garages or entry doors.

Installation is simple and clean, integrating seamlessly with LiftMaster and Chamberlain openers with MyQ technology. A handy audible signal confirms the lock has engaged, providing reassurance with every operation. Whether you’re protecting your vehicle, valuables, or simply want to automate home security, the 841LM is a smart choice for enhancing garage door systems.

Key Features

• Automatic Deadbolt Locking after each door close

• Syncs with MyQ-enabled LiftMaster or Chamberlain openers

• Audible Lock Confirmation tone after each engagement

• Steel-Constructed Bolt adds reinforced physical security

• Smart Lock Integration for MyQ ecosystem

• Easy to Install with included mounting hardware

Specifications

• Model: 841LM

• Lock Type: Automatic Deadbolt

• Material: Steel locking bolt

• Power Source: Wired to compatible opener

• Compatibility: MyQ-enabled garage door openers

• Mounting: Interior side of garage door

• Weight: Approx. 1.9 lbs

• Color: Black

“Works With” Compatibility

• LiftMaster MyQ Garage Door Openers (select models)

• Chamberlain MyQ Garage Door Openers

• MyQ Smart Garage Hub (with supported openers)

🔗 Note: Requires Security+ 2.0 garage door openers for full functionality.

Setup + Maintenance Guide

Installation Steps:

1. Power Off the garage door opener for safety.

2. Mount the 841LM on the inside of the garage door following the template provided.

3. Connect the lock wiring to the opener’s designated terminal ports.

4. Power On and test locking action with MyQ or wall control panel.

5. Confirm the lock clicks into place when the door fully closes.

Maintenance Tips:

• Check wiring connections periodically.

• Ensure the bolt path is clean of debris or buildup.

• Use mild cleaner and cloth to wipe down casing.

• Test the lock monthly to confirm proper function.