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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
8-foot belt drive extension kit.
Robert H
Reviewed in the United States on February 26, 2025
The 8' extension kit is well made and works well. This extension kit is a must have item to get a new Chamberlain GD opener to travel the full 8' needed to fully open a standard 8' tall garage door; as the standard new Chamberlain door opener as sold only opens 7'. The kit is a great fix for a substandard new Chamberlain GD opener unit that does not replace an older opener. Chamberlain should just sell both a 7' and 8' garage door opener assembly without requiring you to order the extension kit as an add on which results in the wasting of the original 7' opener supplied belt as well as the original last part of extension pole which is wasteful and an extra expense on the purchaser and burden to the local landfill.
stormchaser
Reviewed in the United States on January 14, 2025
Easy to install on exsisting opener rail.
AL_tinkerer
Reviewed in the United States on September 12, 2024
Kit included new (longer) belt, rail extension, and other additional parts to ensure that the Chamberlain Smart Belt Drive Garage Door Opener would have sufficient travel length for door to open all the way. Works great.
alay
Reviewed in Canada on July 3, 2024
Bought it for my 8ft garage doot fits good and works.
S M M
Reviewed in Canada on March 31, 2024
Not much to say. Have been using it for several year without issue. I couldn't have installed the door-opener it in my garage without this piece.
H
Reviewed in Canada on March 12, 2024
Installed by the professional, works good for few months - no complaints
Stevie G
Reviewed in the United States on February 27, 2024
I had a Chamberlain belt wear out on me, and needed to purchase a replacement. I thought I'd try a knock-off, but when I tried to install it, it ran about 5 inches short.I only needed the belt, but broke down anyway and purchased the OEM Chamberlain 8 foot extension kit, which includes a rail and a belt. It was less expensive than purchasing a belt alone (or at least I couldn't find a belt to fit being sold for less not including the kit). Belt fit perfectly. I'm now stuck with an extra rail extension. I'm sure I'll figure out something else to use it for.
Desert Dweller
Reviewed in the United States on December 20, 2024
This is an extension required for a taller garage door, so generally speaking it either works or it doesn't in my mind. After installing it, it seems to fit in the "it works" category. It arrived in good condition, and installation (done at the same time as the replacement Chamberlain Whisper Drive Plus garage door opener), took only a couple of hours. I recommend this extension, if you need it.
Mike Amado
Reviewed in the United States on November 13, 2024
Fast shipping/ good item / buy with confidence AAA+++
Adam Somervile
Reviewed in the United States on November 13, 2024
Got a great deal on a new opener to replace my old broken one. Unfortunately it was a 7' opener and would not get the door high enough to fit my police truck inside due to the lightbar and antennas. Put this extension on and now the door fully opens so the truck gets to go back inside
Cowboy_Up
Reviewed in the United States on October 14, 2024
After installing the first one, I changed Internet provider to T-Mobile and had connections issues. Had to add wireless extender To reconnect. It affected my bank login also so no fault of Chamberlain.Bought the second unit for son in law. After he installed the opener they love it. Super quiet operation compared to chain drive. LED lights really make a difference. Camera and battery backup just real bonus. Definitely recommend this.
Ariel Gurrola
Reviewed in Mexico on February 6, 2023
Lo compre para abrir mi portón crrediso que mide 2.80 más y alcanzo muy bien
Octavio Vizcaino
Reviewed in Mexico on February 6, 2019
Llego bien y en buenas condiciones
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