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Chain Drive Extension Kit
for 8' High Garage Doors
Works with 3-Piece, C-Channel Chain Drive Rails
Chain Drive Extension Kit
An extension kit can be added to an existing 7', multi-piece rail design to accommodate an 8' high door. This kit is designed specifically for Genie chain drive garage door openers with a 3-piece, 7' C-Channel rail.
Compatible with Models: 3022, 4022, ChainMax® 1000 ChainMax® 1200
This kit allows the garage door opener to fully open garage doors up to 8ft. high
Installation Manuals and Support
Installation Manual
Other Helpful Resources
* More resources and support can be found on our full Genie Customer Support Portal
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