The extension kit for C-channel belt drive garage door opener rails is to be used in addition to a 7' (3-piece) chain rail to accommodate an 8' high door
For Genie silent max 1000 and quiet lift 1200 belt-drive garage door openers only
Pre-programmed settings and a unique programming feature give homeowners a simplified compact multi-door and gate option
Easy to set up
Compatible with most major brands sold in the USA including: Overhead Door Genie Chamberlain Craftsman Ryobi Sommer Linear MegaCode Marantec Wayne Dalton Liftmaster FAAC Xtreme