Model # 7710CB

Internet #202867899

Chamberlain 10 ft. Chain Drive Rail Extension Kit
0012381077106

Chamberlain

10 ft. Chain Drive Rail Extension Kit

  • Fully open garage doors up to 10 ft. high
  • Quick-install rail system
  • Durable chain drive replacement belt
$4436 /each

Frequently Bought Together

Product Overview

The Chamberlain 10 ft. Chain Extension Kit includes a rail extension and replacement chain that are compatible with most Chamberlain chain drive models. It is for garage doors up to 10 ft. in height and comes with complete installation instructions. Designed specifically for 7 ft. sectional doors.

California residents: see   Proposition 65 information

  • For use with garage doors up to 10 ft. high
  • Works with most chamberlain chain-drive models (exceptions: models PD220, PD222, HD220)
  • 5-piece rail system fits garages with 7 ft. high garage doors
  • Comes ready to install with complete instructions

Info & Guides

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Name 10 ft. Chain Drive Rail Extension Kit 8 ft. Belt-Drive Extension Kit 10 ft. Belt Drive Rail Extension Kit 14 ft. Extension Kit
Brand Chamberlain Chamberlain Chamberlain Ryobi
Ratings (26) (59) (37) (0)
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Customer Questions & Answers

MY DOOR IS 9 FT I SEE ONLY EXTENSION FOR 8FT AND THIS ONE FOR 10FT. I NWOULD JUST USE 10FT EXTENSION AND MOUNT OPENER FURTHER AWAY FROM DOOR

Asked by: Anonymous
You can use the 10 ft kit and set the opener high limit switch to stop at the top of your 9 ft door.
Answered by: Mike
Date published: 2016-11-08

what comes in the kit for model #7710cb

Asked by: chris
ever thing you need
Answered by: PATCHES
Date published: 2017-02-28

Does your extension kit fit with the older Craftsman upside down T-rail system?

Asked by: NesnaNilra72
I don't believe that it would. The rail extensions included in this kit are square tubing.
Answered by: jiski
Date published: 2017-02-27

Can this 10 ft ext kit be shipped to the Warrenton, OR store where I am picking up my opener?

Asked by: Anonymous
I assume it can be shipped to any Home Depot store in their system.
Answered by: dressageman
Date published: 2015-09-29
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Customer Reviews

10 ft. Chain Drive Rail Extension Kit is rated 4.4 out of 5 by 26.
Rated 5 out of 5 by from The Chamberlain 10 ft. Chain Drive Rail Extension Kit is simple to install and works perfectly ex... The Chamberlain 10 ft. Chain Drive Rail Extension Kit is simple to install and works perfectly extending my Chamberlain Opener Rail to work with my 10 ft. door. Everything needed to extend the rail is included in the kit. Hardware still used in the assembly that are from the opener's set of hardware fit the extension rails perfectly. Once assembled the completed opener does not look modified in any way and works perfectly. I can't believe how easily it all fit together.
Date published: 2017-02-26
Rated 5 out of 5 by from This extension kit worked as described.... The only thing I wish would have been that the Chamber... This extension kit worked as described.... The only thing I wish would have been that the Chamberlain opener was originally made for a 10' opening rather than having to purchase a kit. Now I need to dispose of the 8" cable/chain... not a big deal, but an extra step for waste/recycling.
Date published: 2017-05-17
Rated 5 out of 5 by from Extension The rail extension work out great for our 9 foot door.
Date published: 2017-01-04
Rated 5 out of 5 by from worked perfectly for my 9' tall barn door. worked perfectly for my 9' tall barn door.
Date published: 2017-01-24
Rated 5 out of 5 by from 5 Star Review Rating provided by a verified purchaser
Date published: 2017-04-22
Rated 5 out of 5 by from went together easy thank you jim went together easy thank you jim
Date published: 2017-02-28
Rated 2 out of 5 by from NOT a drop-in fit with low-end chain drive This 10' extension kit is described as fitting all Chamberlain chain drive openers, but it did not correctly fit the PD220. The chain is too long,, and must be shortened. This is not a difficult fix and beats dealing with a chain that is too short. The second problem is with the pulley hole drilled in the front section of guide rail. Instead of being a 5/16 through hole like the PD220 section it replaces, the hole is 1/2 diameter on the top. This will not properly support the pulley for the chain/cable assembly. A 1/2 OD x 5/16 ID x 1/2 long bushing must be fabricated. Should have been supplied by Chamberlain. Another example of Design Engineering never actually using the product they designed.
Date published: 2016-08-17
Rated 3 out of 5 by from floppy This kit to extend from the standard 7' to 10' does what it says, it replaces two short sections with two long ones but I am not sure it is a good idea. I wish I had researched more to see if there was a different door opener that was made to be 10' because at 10' the bar is very floppy. I have it secured very nicely at both ends but the bar flopps all around while operating. The entire 10' needs to be larger or heavier metal to span this distance. So far, it does work fine.
Date published: 2016-09-14
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