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For use with Chamberlain Whisper Drive and Whisper Drive Plus belt drive garage door openers featuring the quick-install rail system.
From the Manufacturer
10-foot belt drive extension kit.
Brad
Reviewed in the United States on February 12, 2025
Arrived quickly and as described.
Rg
Reviewed in the United States on July 19, 2024
Exact fit worked out perfectly
PRIME Member
Reviewed in the United States on December 15, 2024
Easy to install in the rail of a normal 7 foot opener.
Mike1024
Reviewed in the United States on December 14, 2024
It does come in to many pieces
Brian
Reviewed in the United States on September 21, 2023
Used this on a chamberlain garage door opener to install on a 10’ tall door. Worked perfectly for what I needed.
smartin
Reviewed in the United States on December 5, 2023
Like all others, the normal doors are 8 foot. So the extensions should come standard. Works great and easy to install, can be done by one self too.
Sam Koenig
Reviewed in the United States on November 15, 2023
Easy install. Worked well with opener to increase size as I moved to a larger door
JLAV86
Reviewed in Canada on February 28, 2022
Our garage door opener stopped working so we needed to purchase a new one along with the extension kit. Everything was there that we required.
Zig Szady
Reviewed in Canada on January 19, 2022
Pay attention to instructions and use the right tubes, I had no problems, my 10 foot door has been working well.
_addict
Reviewed in the United States on April 17, 2022
Instructions were fairly clear. Make sure you understand everything before snapping rails together. Once assembled, it will not come apart. This came with almost everything needed. The only thing I had to buy was additional wire and wire staples, which are needed for tall garage door opener installs. This kit works like a charm.
AVELINO TANEZ
Reviewed in Mexico on June 13, 2020
Muy bien. Sobre todo que el tiempo de entrega su antes de lo prometido
Lorraine L.
Reviewed in Canada on February 7, 2020
When I tried researching which kit I required and I mistakenly ordered this kit, I assumed that because my door was 8 feet tall, I thought I needed the extra 2 feet was to allow for placement of the motor unit away from the opened door. I also thought that I could combine the rails from the Opener kit and this extension to get the required length I required.I was wrong on both accounts.After assembling to the length I thought I required the belt from the Opener kit was way too short and the belt from this extension kit was way too long.Unlike a Chain door opener where you can remove links to configure the chain to fit a custom application, the belt cannot be adjusted. So I contacted Chamberlain Support for assistance.The way this kit works is,First, yes, it is for doors up to 10 feet tall, but the rails have to be assembled in a specific combination.The combination in order to use this kit is,The front rail (the one with the return wheel) is replaced with the one from this extension kit. Then you use the second rail from the this extension kit and only 3 rails from the Opener kit to complete the assembly. If this is done, the belt will fit. Any other configuration of rails is a no-go.Again, yes, this kit will work with an 8 foot door, all you have to do is adjust the travel to compensate on the opener, but the opener motor is going to be miles away from where you think it should be.If your door is 8 feet tall, the proper kit to buy is the 8 foot extension kit. After finding this out through Chamberlain Support, I bought the 8 foot extension and had a hassle installation. My opener motor is exactly where it needs to be and my 8 foot door opens and closes correctly.The product is good and it is an easy assembly (if you configure the rails correctly). The only reason why I'm posting this is because the description is confusing and it may lead to people ordering the wrong kit.Thank you Amazon for accepting the return of this kit. It is on its way back to you.
David
Reviewed in Canada on November 15, 2020
Perfect fit
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