Model # 8808CB

Internet #100431683

Store SKU #294733

Chamberlain 8 ft. Belt-Drive Extension Kit
0012381088089

Chamberlain

8 ft. Belt-Drive Extension Kit

  • Fully open garage doors up to 8 ft. high
  • Quick-install rail system
  • Ultra-quiet Whisper Drive replacement belt
$4799 /each

Frequently Bought Together

Product Overview

The Chamberlain 8 ft. Belt-Drive Extension Kit is compatible with Chamberlain Whisper Drive and Whisper Drive Plus belt-drive garage door openers. It comes with a rail extension and replacement belt and can be used with garage doors up to 8 ft. high.

California residents: see   Proposition 65 information

  • For use with garage doors up to 8 ft. high
  • Compatible with chamberlain whisper drive and whisper drive plus belt-drive models
  • Kit includes rail extension and replacement belt
  • Comes ready to install with complete instructions
  • Note: product may vary by store

Info & Guides

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Name 10 ft. Chain Drive Rail Extension Kit 8 ft. Belt-Drive Extension Kit 8 ft. Rail Belt Drive Extension Kit 10 ft. Belt Drive Rail Extension Kit
Brand Chamberlain Chamberlain Ryobi Chamberlain
Ratings (27) (61) (5) (37)
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Specifications

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Customer Questions & Answers

how the the extension works? very confused~

We are thinking about replacing the the garage opener, we really like the Model # HD950WF but we are not too sure if we need the extension kit. If so, what size are we to get? Our garage door is 7 feet high, but looking at the current opener, the rail that connects to the opener is like 9 feet long. so how does this work? thanks for helping out~
Asked by: Confused
If your door is 7' high, you will not need the extension. I had the same question, so I bought the extension just in case. My opener raises the door above the 7' height without using the extension I bought. I was pleased by how easy the opener is to set the travel, and it allowed me to set the up and down positions for further travel than did my old opener.
Answered by: Eng
Date published: 2017-01-04

Do the extension kits act as a replacement for a broken belt?

Belt snapped on my whisper drive by chamberlain.
Asked by: Gb
No. It is a longer belt than the one supplied with a 7' opener.
Answered by: Eng
Date published: 2017-01-04

Does this extension work on Chamberlain's WD962EV model?

Asked by: Eddie
Yes, I believe this extension kit would be compatible with the WD962EV.
Answered by: p07r0457
Date published: 2015-09-20

my belt broke on my chamberlain model #248739 it a 8 foot opener

Asked by: Anonymous
Sorry to hear that. This extension kit includes a new belt, so you could use it to replace your broken belt. However, you wouldn't need the other parts included in the kit. You could also contact Chamberlain directly, or a third-party garage door installer/vendor to see if you can purchase only the belt.
Answered by: p07r0457
Date published: 2015-09-20
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Customer Reviews

8 ft. Belt-Drive Extension Kit is rated 4.5 out of 5 by 61.
Rated 5 out of 5 by from Worked as expected. Was very easy to install since this was the third one I have installed in the... Worked as expected. Was very easy to install since this was the third one I have installed in the past couple of years, but with that said, the instructions are very easy to follow.
Date published: 2017-05-16
Rated 4 out of 5 by from Easy to assemble. Open the extension kit first and follow... Easy to assemble. Open the extension kit first and follow those instructions. The opener does not call out when to use the extension.
Date published: 2017-03-15
Rated 5 out of 5 by from Chamberlin 8ft belt drive extention kit The instructions with the extention kit made the installation of the garage door opener easier. Quality product, very happy.
Date published: 2017-04-12
Rated 5 out of 5 by from It arrived with at the same time as the garage door opener, and it was the correct part. It arrived with at the same time as the garage door opener, and it was the correct part.
Date published: 2017-01-03
Rated 5 out of 5 by from I hired a professional installer. It was fairly straight forward installation of rails. I hired a professional installer. It was fairly straight forward installation of rails.
Date published: 2017-04-18
Rated 5 out of 5 by from Worked perfect This is a must for an 8 foot door. It's the exact product for this garage door opener.
Date published: 2017-06-13
Rated 5 out of 5 by from Easy to install. Connects just like the original rail system and includes a new belt. Easy to install. Connects just like the original rail system and includes a new belt.
Date published: 2017-03-28
Rated 4 out of 5 by from http://m.homedepot.com/p/Chamberlain-8-ft-Belt-Drive-Extension-Kit-8808CB/100431 Love it but it took HomeDepot about 2-3 weeks to get don't have it in stocks at all.
Date published: 2017-04-25
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