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LiftMaster 8550 Garage Door Opener Elite Series DC Battery Backup W/O Rail Assembly

3.0 out of 5 stars 33 customer reviews
| 30 answered questions

Price: $225.00 & FREE Shipping
Only 16 left in stock.
Ships from and sold by 365 Garage Door Parts.
Include installation | Estimate $198.95 | ZIP
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  • Service provided by a local pro
  • Detaching old garage door opener
  • Mounting 1 customer-supplied opener to new bracket
  • Installing new motion sensors
  • Testing for proper functionality
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  • Pro will contact you within 1 business day to schedule
  • Kick back and only pay when the job is done
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Estimate: $198.95
100% positive ratings (6 reviews)
    This fits your .
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  • Enables you to securely monitor and control your garage door opener with your smartphone
  • Motors from LiftMaster® are reliable, durable and powerful designed specifically for your needs.
  • Battery Backup powers up even when the power is down so you can get in your garage
  • Safeguards your household with every click a new code is sent so that the door opens only for you

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$225.00 & FREE Shipping Only 16 left in stock. Ships from and sold by 365 Garage Door Parts.

Frequently Bought Together

  • LiftMaster 8550 Garage Door Opener Elite Series DC Battery Backup W/O Rail Assembly
  • +
  • Liftmaster 877max
  • +
  • 828LM LiftMaster Internet Gateway
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Product Description

8550 Garage Door Opener Elite Series DC Battery Backup W/O Rail Assembly

Product Information

Technical Details

Part Number 8550
Item Package Quantity 1
Batteries Included? No
Batteries Required? No

Additional Information

ASIN B007TNRXRO
Customer Reviews
3.0 out of 5 stars 33 customer reviews

3.0 out of 5 stars
Best Sellers Rank #65,374 in Home Improvements (See top 100)
#317 in Home Improvement > Building Supplies > Building Materials > Doors > Garage Doors, Openers & Parts > Keypads & Remotes
Shipping Information View shipping rates and policies
Date First Available August 29, 2012

Warranty & Support

Product Warranty: For warranty information about this product, please click here

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

By G8GT on September 20, 2012
We bought this unit because we have a townhouse and our garage is under the main level. Pros - very very quiet, lots of cool features like Timer To Close so if you forget to close your garage you can set it to automatically close after a set time of your choice. Cons - seriously questionable reliability. This thing worked fine the first week we had it installed, but by week two it wouldn't respond to the remotes or open so we had the installers come out again. They said it just needed the sensors adjusted and that I could do it myself the next time. A few weeks later, again, it wouldn't open nor respond to the remotes. Had them come out again and they did the same thing along with spraying the tracks with WD40. It worked for a few weeks before it would intermittently not work. We had this unit about 4 months and it finally died with an error code 15. AGAIN, we had the installers come out and this time they changed the circuit board. After that it worked. We had to reprogram all the remotes and the garage door monitor we have in the kitchen. All the remotes were programmed okay but the garage door monitor could not be programmed to the unit. AGAIN, we had the installers come out and their answer was to replace the entire unit.... We have them here today (the day this review was written) and we will see the outcome. On another note, unfortunately I went against my gut instinct when I purchased this unit. I read the reviews on many other websites and this unit did not have very high reviews (all due to reliability issues) but my dumb@$$ fell in love with the technically gizmos this unit had. Shame on Me!! Luckily this thing has a manufacturers warranty of 5 years but I do not know if I will wait that long. We are having the installers come out today and if this thing gives us one more problem, thats it, we will be giving this unit back and get a completely different model.
4 Comments 94 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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In terms of a garage door opener, this unit is quiet and smooth and easy to assemble.

So, yeah...... great.

HOWEVER, there are plenty of other products that are also quiet, smooth and easy to assemble and that cost much less than this one. For me, the hook was that this unit had the "MyQ" feature, which allowed it to be used with smartphones and tablets (a handy feature for my personal lifestyle), and it had very good "universal" compatibility with other openers, such as the "Car2U" systems found in newer cars.

But not so fast.

It wasn't until I bought and installed the unit that I found that it will not work with Car2U (in my 2013 Ford) unless I purchase an additional repeater to make it work. That's the first part I'd need. So tack on $45 or so, with the shipping.

Additionally, the MyQ feature will not work without a separate purchase of a gateway to seam the compatibility with your home router. There's another $50, plus the repeater, on top of the $238 I paid for the opener itself.

And I'd probably be okay with these things if:
1) it were clear on the packaging or in the documentation that these things are needed to make the unit work like it is supposed to (it's nowhere to be found on the box or in the documentation- it just repeatedly refers the user to your vehicle's user manual) and
2) if the "customer service" people weren't so useless in helping resolve issues I was having. I never really got a straight answer from them. Everything I learned about Car2U incompatibility and the MyQ gateway issues- I had to learn from trial and error and researching various internet message boards. Chamberlain's website was virtually worthless to this end.
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5 Comments 62 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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1st, if you have a new model auto the Homelink might not work, as you need an adapter (free if you call or insure one is sent when you purchase) seems some new autos need an interpreter (a small device that plugs into a wall outlet) for Homelink to work with the new security of all Chamberlain/Liftmaster/etc (seems all are made by them).

Also, the Internet feature (computer/phone) connection is free for the 1st year ( so new they do not yet have a fee) and about a month before end of the 1st year they contact you to see if you wish to continue.

The best features, IMHO:

TTC - can set this up so the door will close automatically after a set time (1 - 99 mins) hands full just walk into home
Lockdown - can set so no opener can open (only home unit inside) for vacations, etc
Autolights - when you walk into garage lights come on
Battery - If power goes out unit still works
Internet - can check-open-close worldwide on computer and/or smart phone/Tablet (I use Android)

Super quiet, outside pad, and many other small items (mine came with the new door - Costco)
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I requested this opener from my builder for my new home. They charge an outrageous upgrade fee from the standard opener. I opted to get one of these and leave the second door with no opener. My unit did not come with the internet gateway, and from what I've seen on LiftMaster's web site, it is optional. For my second door I purchased the exact same thing from Sears as a Craftsman. The Sears unit came with the internet gateway and it works fine with both units. The only negative with the Sears unit is that the track is multi-piece and requires assembly, while the professionally installed unit has has a single piece track that feels much stronger. But, the Sears unit had to fit in a box, so it is understandable. The only other difference is the inside control panels are slightly different styles, but they both function identically.

Both of these openers are very quiet, have the soft close and open and work flawlessly. These are both clearly quality openers, which I expected. What blew me away was the features. Once setup I can view the status, or open and close from my smart phone. The app not only shows if the door is open or closed, but how long it has been in that state. I can see approximately when my son came home, by the how long the door has been closed. I can also easily setup a temporary code for the outside keypad that works for a specified number of hours or a specified number of uses. In other words, if you want to let someone in your garage one time to pick up, say a mower. You can program a temporary code for one use. That code will not work a second time. Or if you have someone staying with you for a weekend, you can setup a code that works for 48 hours.
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