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Chamberlain 257858
The Chamberlain Group, Inc.845 Larch AvenueElmhurst, Illinois 60126-1196www.chamberlain.comGARAGE DOOR OPENERModel 257858For Residential Use Only Owner’s Manual■ Please read this manual and the enclosed safety materials carefully!■ Fasten the manual near the garage door after installation.■ The door WILL NOT CLOSE unless The Protector System®is conn …
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