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

FINDAGENIEDEALERBUTTON.png
FINDAGENIEDEALERBUTTON.png
FINDAGENIEDEALERBUTTON.png

Installation Manuals and Support

File.png

Genie Customer Support is also available:

Monday - Friday: 8 AM - 7 PM CT
Saturday: 9 AM - 5 PM CT

Contact us by: 

Email, Chat, or Phone 1-800-354-3643