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  • Chamberlain 7708CB 8-Foot Chain Drive Extension Kit
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Chamberlain 7708CB 8-Foot Chain Drive Extension Kit

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List Price: $35.99
Price: $27.49 & FREE Shipping on orders over $35. Details
You Save: $8.50 (24%)
Only 9 left in stock (more on the way).
Ships from and sold by Amazon.com. Gift-wrap available.
  • "CHAMBERLAIN" CHAIN DRIVE EXTENSION KIT
  • For use with Mfr. Nos. CG40S, PD212S
  • New structural steel rail system
  • Snap together, no bolts necessary
  • Increases structural integrity
See more product details
33 new from $22.00

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$27.49 & FREE Shipping on orders over $35. Details Only 9 left in stock (more on the way). Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

Chamberlain 7708CB 8-Foot Chain Drive Extension Kit + Chamberlain PD752D 3/4-Horsepower Heavy-Duty Premium Chain Drive Garage Door Opener
Price for both: $246.49

Buy the selected items together


Product Information

Technical Details
Part Number 7708CB
Item Weight4.4 pounds
Product Dimensions3.1 x 2.1 x 38.8 inches
OriginChina
Item model number7708CB
Sizeregular
Colorblack
Materialmetal
Power Sourcecorded-electric
Item Package Quantity1
Number Of Pieces1
  
Additional Information
ASINB000H6KC9G
Best Sellers Rank #91,537 in Home Improvement (See top 100)
Shipping Weight4.4 pounds (View shipping rates and policies)
ShippingThis item is also available for shipping to select countries outside the U.S.
Date First AvailableSeptember 14, 2004
  
Warranty & Support

Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.
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Product Description

Product Description

For 8' high garage doors. Use with Do it Best private label or Chamberlain garage door operators. The 8' chain drive SSR kit works with model

From the Manufacturer

Chamberlain 7708CB 8-Foot Chain Drive Extension Kit

Customer Questions & Answers

Customer Reviews

It looks like this part will work just fine.
David Felkner
Looked and looked and looked for reasonable priced item and finally found this one and it did the job I needed.
Angela Temple
I have now used it many times and I am completely satisfied.
MD1591

Most Helpful Customer Reviews

15 of 16 people found the following review helpful By L. G. Redmond on September 30, 2008
Worked as it is supposed to. Easy to install. It is a shame tho, now I have extra parts that have no function for anything else. Instead of simply an extension to the existing parts, you get a longer rail that has you tossing out one of the original rails. And, you get a new Longer chain/cable assembly instead of simply a chain extension and master link. Now I have a brand new rail piece and a brand new chain/cable assembly and nothing to use them on. In this day of trying to "Go Green", "Add-on" pieces would make much more sense providing lower cost to the consumer and no left-over parts that now head to a landfill.
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5 of 5 people found the following review helpful By Dustin on May 20, 2012
Verified Purchase
I have the Craftsman version of the garage door opener that this goes to and it's all the same stuff. Save yourself the money and purchase this one instead of paying for the craftsman name. Everything fits well, you'll probably end up with some small parts left over in the kit. Haven't had any issues with mine in well over 6 months.
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4 of 4 people found the following review helpful By MD1591 on March 11, 2012
Verified Purchase
Well worth the money, very strong and well made. I have now used it many times and I am completely satisfied. However, it was extremely wasteful to totally replace the chain. Wouldn't a link and a small piece added worked just as well? Bad engineering and management decision and the reason landfills are overflowing
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5 of 6 people found the following review helpful By anonymous on February 19, 2008
Verified Purchase
This is an extension kit for an 8-foot tall garage door, _not_ an 8-foot long extension as implied in the description. In other words it lets the opener work with a taller door than the standard 7' size. It will not extend the door opener rail to work with 10' or 12' garage doors.

That said, the parts are well made and do what they are supposed to do.
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3 of 3 people found the following review helpful By James A. Greer on August 22, 2010
Verified Purchase
I had bought a 7' opener for my building and my door was a 8' footer. The extension kit was easy to install. I give it 5 stars.
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1 of 1 people found the following review helpful By Charles Arvey on May 27, 2009
Verified Purchase
The price of this is $32.99 and the prices of the door openers are significantly less on the Chamberlain site than those quoted by Amazon. It would be nice if Amazon didn't inflate the prices in order to make it look like they are giving a discount.

This extension does work as advertised -- whether bought from Amazon or directly from Chamberlain.
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1 of 1 people found the following review helpful By Busman on December 4, 2013
Verified Purchase
The extension works as it should with no problems. However it is overpriced because it includes a completely new chain, cable and links rather than extensions. This waste makes no financial sense at all.
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Verified Purchase
The extension did the job BUT, as others have complained, could have been cheaper by including ONLY a section of chain rather than the whole thing. Seemed rather silly to add this to a new installation and then to throw away a complete brand new chain. Likely the boys down in the marketing department said, "Make them buy the entire chain! We can make several dollars more that way." Ridiculous!!
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Chamberlain 7708CB 8-Foot Chain Drive Extension Kit
This item: Chamberlain 7708CB 8-Foot Chain Drive Extension Kit
Price: $35.99 $27.49
Ships from and sold by Amazon.com