The LiftMaster 6690L is LiftMaster’s premium ultra-quiet belt drive opener, built for high-use garages. 1-1/4 HP equivalent DC motor designed for high-use garages and harsh conditions. Rail sold separately: choose a LiftMaster belt drive rail to suit your door height.
Specifications at a Glance
Key Features
- 1-1/4 HP equivalent DC motor designed for high-use garages and harsh conditions
- Ultra-quiet reinforced belt drive
- Built-in 360° camera with adjustable wide angle and night vision
- 360° LED lighting
- Battery backup keeps the door working in a power outage
- myQ Wi-Fi control from your phone
- Security+ 3.0 encryption
Will This Opener Work With My Door?
- Your door is a sectional residential garage door critical
- The door is balanced: released from the opener, it stays put when lifted halfway critical
- You have chosen the rail length that matches your door height critical
- There is a ceiling or header mounting point above the door
- There is a power outlet near the opener location
Not sure? Tell us your door size and setup and we will confirm the right opener and rail.
Full Technical Specifications
| Brand and model | LiftMaster 6690L |
|---|---|
| Series | Premium Series |
| Drive type | Belt |
| Motor | DC, 1-1/4 HP equivalent |
| Battery backup | Yes, 485LM |
| Security | Security+ 3.0 |
| Warranty | Lifetime motor and belt |
| Rail | Sold separately |
| Category | Garage door openers |
What’s Included
In the box
- LiftMaster 6690L opener head
- 2 × three-button remotes (L993M)
- 1 × smart control panel (L958W)
- 1 × wireless keypad (L979M)
- 1 × 485LM backup battery
Sold separately
- Opener rail, see opener rails
- Extra remotes and keypads, see controls
- Replacement battery: LiftMaster 485LM battery
LiftMaster rates DC motors by comparison to AC horsepower; DC lift capacity is not measured in HP.
Safety: Test the Safety Reversal After Installation
A garage door opener moves a heavy door, and its safety systems need to be set up and tested correctly.
- Make sure the door is properly balanced before connecting an opener. An opener is not designed to lift an unbalanced door.
- Install the photo-eye safety sensors no higher than 6 inches above the floor.
- After installation, test the safety reversal: the door must reverse when it meets an object on the floor.
- Keep remotes away from children and never let anyone walk under a moving door.
Follow the LiftMaster installation manual, or have a garage door technician install the opener.
Frequently Asked Questions
Is the rail included?
No. This is the opener head only. Choose a LiftMaster belt drive rail to match your door height, usually 7 ft, 8 ft or 10 ft. See our opener rails or contact us to confirm the right rail.
What does “1-1/4 HP equivalent” mean?
LiftMaster rates DC motors by comparison to AC horsepower; DC lift capacity is not measured in HP. The figure compares the 6690L’s lifting capacity with a conventional AC opener of that rating.
Does it work during a power outage?
Yes. The included 485LM backup battery lets you open and close the door when the power is out. Replace the battery every few years to keep it reliable.
Can I add more remotes or a keypad?
Yes. See our LiftMaster remotes, keypads and wall controls. Check that the accessory supports Security+ 3.0 before ordering.
Do I need professional installation?
Many owners install their own opener, but the door must be balanced first and the safety reversal must be tested afterward. If your springs or cables need work, have a technician handle that part.
How is it shipped?
It ships by FedEx, or you can collect it from our Sacramento or Santa Clara store. See our shipping policy for current rates and dispatch times.
Why Choose the LiftMaster 6690L
LiftMaster is one of the most widely installed opener brands in the US, and the 6690L brings ultra-quiet reinforced belt drive, built-in 360° camera, 360° led lighting together in one unit, backed by a lifetime motor and belt warranty.
Contact us if you would like help choosing between openers or rails.
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