Chamberlain WHISPER DRIVE 248739 Owner's Manual

Chamberlain Garage Door Opener Owner's Manual - WHISPER DRIVE 248739.
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The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196

www.chamberlain.com

GARAGE DOOR OPENER

Model 248739

For 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 connected and properly

aligned.

■ Periodic checks of the opener are required to ensure safe operation.

■ The model number label is located on the left side panel of your opener.

®

®

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