The tube rail chain extension kit is to be used in conjunction with the 5 piece rail system for the Chain Drive 550, when the door measures 8 ft in height. The extension kit rail replaces the end section of the 5 piece tube rail system. Installation is easy with no additional assembly hardware. Extension kit cannot be used on the Chain Drive 500.
Manufacturer: THE GENIE COMPANY
Manufacturer's Part Number: 39027R
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- Easy to install
- Extend the 5-piece chain drive tube style rail for a 7 ft high door to an 8 ft high door
|Includes||(1) Extension Rail and Screw Assembly, (1) Installation Hardware and Instructions|
|Suitable for||Model 2033, 2035, 2036, 3035, 7035 Garage Door Openers|