All Torquemaster springs in stock! Shipping Now! Fast delivery!

Menu
0

All Torquemaster springs in stock! Shipping Now! Fast delivery!

0

Your Cart is Empty

Springs

Torquemaster Springs

Wayne-Dalton-Torquemaster-Spring-Compare

Extension Springs

Garage Door Springs - Extension Blue

Torsion Springs

2" Garage Door Spring
  • Springs & Lift Systems

  • Torquemaster Springs

  • Wayne-Dalton-Torquemaster-Spring-Compare

  • Extension Springs

  • Garage Door Springs - Extension Blue

  • Torsion Springs

  • 2" Garage Door Spring
    • LiftMaster 821LMC-SENSOR hub with myQ logo in white.
    Front angle view of the myQ LiftMaster 821LMC-SENSOR
    Side view of the LiftMaster myQ 821LMC-SENSOR showing the sleek profile
    LiftMaster myQ 821LMC-SENSOR with mounting brackets
    Retail packaging of LiftMaster 821LMC-SENSOR with product information.
    Back of LiftMaster 821LMC-SENSOR packaging highlighting the features and installation guide.
    LiftMaster 821LMC-SENSOR hub with myQ logo in white.
    Front angle view of the myQ LiftMaster 821LMC-SENSOR
    Side view of the LiftMaster myQ 821LMC-SENSOR showing the sleek profile
    LiftMaster myQ 821LMC-SENSOR with mounting brackets
    Retail packaging of LiftMaster 821LMC-SENSOR with product information.
    Back of LiftMaster 821LMC-SENSOR packaging highlighting the features and installation guide.

    Liftmaster MyQ Additional Door Sensor for Smart Garage Control HUB

    Liftmaster

    SKU: LM-821LMC-SENSOR

    $40.99$47.99
    Description

    The LiftMaster 821LMC-SENSOR is an additional door sensor designed for use with Smart Garage Control, myQ Smart Garage Hub, and myQ Garage. This sensor allows users to add control of a second garage door opener to their existing Smart Garage setup. It offers the capability to secure, control, and monitor a second garage door through the myQ app, enhancing the overall security and convenience of the garage system.

    Key Features and Specifications:

    • Compatibility: Compatible with Smart Garage Control, Smart Garage Hub, and myQ Garage. Requires the purchase of the Smart Garage Control or Smart Garage Hub (sold separately).
    • Ease of Use: Designed for easy installation and programming.
    • App Integration: Enables users to check the status and control two garage doors using the myQ app.
    • Dimensions: Measures W 2-5/8" x H 2-5/8" x D 7/8".
    • Warranty: 1-year accessory warranty.
    Compatibility
    The LiftMaster 821LMC-SENSOR is compatible with Smart Garage Control, Smart Garage Hub, and myQ Garage. However, it's important to note that it requires the purchase of the Smart Garage Control (Models: 821LMC and MYQ-G0401), or the Smart Garage Hub 1st generation (Models: 821LM & MYQ-G0201) and 2nd generation (Models: 821LMB & MYQ-G0301), each sold separately. Each Hub can control up to two garage door openers
      Instructions

      Programming Instructions:

      LiftMaster Smart Garage Control Owner's Manual
      myQ Smart Garage Control Door Sensor Quick Start Guide

      Reviews
      FAQs

      Handpicked for you...

      Blog posts - Garage Door DIY Handbook

      Garage Door Quieting Kit

      How to Install a Garage Door Quieting Kit: Complete Guide

      December 09, 2025 4 min read

      We've found that replacing the majority of the hinges and installing the rest of the kit does a pretty good job of silencing the door without needing to deal with that bottom roller. If you really feel it needs to be changed, we have a separate process for that, but it's not necessary for most installations.

      Read More
      How to Order the Correct Torquemaster Spring

      How to Order the Correct Torquemaster Spring | Height & Weight Method

      December 09, 2025 3 min read

      Read More
      Torque Master Spring Installation Made Easy 6 Simple Steps

      Torque Master Spring Installation Made Easy: 6 Simple Steps

      October 19, 2025 4 min read

      Installing Torque Master springs might seem intimidating at first, but with the right tools and step-by-step guidance, it's a manageable DIY project.

      Read More
      Description

      The LiftMaster 821LMC-SENSOR is an additional door sensor designed for use with Smart Garage Control, myQ Smart Garage Hub, and myQ Garage. This sensor allows users to add control of a second garage door opener to their existing Smart Garage setup. It offers the capability to secure, control, and monitor a second garage door through the myQ app, enhancing the overall security and convenience of the garage system.

      Key Features and Specifications:

      • Compatibility: Compatible with Smart Garage Control, Smart Garage Hub, and myQ Garage. Requires the purchase of the Smart Garage Control or Smart Garage Hub (sold separately).
      • Ease of Use: Designed for easy installation and programming.
      • App Integration: Enables users to check the status and control two garage doors using the myQ app.
      • Dimensions: Measures W 2-5/8" x H 2-5/8" x D 7/8".
      • Warranty: 1-year accessory warranty.
      Compatibility
      The LiftMaster 821LMC-SENSOR is compatible with Smart Garage Control, Smart Garage Hub, and myQ Garage. However, it's important to note that it requires the purchase of the Smart Garage Control (Models: 821LMC and MYQ-G0401), or the Smart Garage Hub 1st generation (Models: 821LM & MYQ-G0201) and 2nd generation (Models: 821LMB & MYQ-G0301), each sold separately. Each Hub can control up to two garage door openers
        Instructions

        Programming Instructions:

        LiftMaster Smart Garage Control Owner's Manual
        myQ Smart Garage Control Door Sensor Quick Start Guide

        Reviews
        FAQs