Chamberlain 7708CB-P Chain Drive Rail Extension Kit for 8 Foot High Garage Doors

Chamberlain 7708CB-P Chain Drive Rail Extension Kit for 8 Foot High Garage Doors

• Fully compatible: the Chain Drive Rail Extension Kit for 8'-High Garage Doors is required for reliable, everyday operation of Chamberlain chain drive models in 8-ft. garage door applications..Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit.
• Easy Setup: featuring a quick-install extension rail and replacement chain, the kit includes all necessary hardware and instructions for a quick and easy installation.
• Includes one-year warranty, rail extension, replacement chain, all necessary hardware and an instruction manual for easy setup.
• Proven quality: rigorous quality testing ensures lasting performance.
• About Chamberlain: the largest and most dependable garage door opener manufacturer in North America.

The Chamberlain Chain Drive Garage Door Opener Extension Kit is for use with Chamberlain Power Drive chain drive garage door openers featuring the quick-install rail system. It includes the rail extension, replacement chain, cable and all necessary hardware. It works on garage doors up to 8 feet high.