LiftMaster 829LM Garage Door Monitor

$135.39 each

Product Description

LiftMaster 829LM Door and Gate Monitor

Monitor and close up to four garage doors or gates from any room inside the home. Compatible with MyQ® enabled garage door openers or MyQ control panel (Model 888LM).

  • Provides the ability to monitor and close up to four garage doors or gates from any room in the house via MyQ® Enabled technology.
  • Receive green and red LED indications when the garage door or gate is open or closed.
  • Know when the garage door is being opened with volume controlled, audible alerts.
  • Fast and easy installation.
  • Compatible only with LiftMaster Security+ 2.0™ garage door openers (yellow learn button) or gate operators.
Also known as: 012381998296
IMPORTANT: Due to supply chain shortages we currently do not offer quantity discounts, and for some of our products we are limiting the quantities that may be purchased.

Quantity Discounts

2+: $135.39 each
4+: $135.39 each
8+: $135.39 each



Unmatched Support. The Right Part. DIY with Confidence!


Huge inventory of parts and torsion springs for same or next day shipping! Here you will find all you need in the most common sizes of 1 3/4," 2," 2 1/4," and 2 5/8" inside diameter springs. Please contact us for specialty springs such as TorqueMaster, EZ Set, self-Storage, and steel rolling door springs as many of these have been subject to supply chain shortages. Larger 3 3/4" commercial and industrial springs may require an week to ship; other springs may require three to four weeks to process.

COVID update. No mask, no service! When picking up parts please wear a mask. We'll gladly provide one. Please honor the six foot social distancing rule. Thank you for your patience and understanding.

Shipping times and costs have changed. Normal transit times are currently not guaranteed, even on next day and second day shipments. Shipping prices on items over eight feet have more than tripled.