LiftMaster LM21XPBB LM21XPBB Manual - Page 1

LiftMaster LM21XPBB Manual

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The Chamberlain Group, Inc. 845 Larch Avenue Elmhurst, Illinois 60126-1196 www.liftmaster.com OWNER'S MANUAL MODELS LM21XPBB LM21XPBBVB EXTENDED PERFORMANCE RELEASE DEVICE APPROVED

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O W N E R ’ S M A N U A L
MODELS
LM21XPBB
LM21XPBBV B
EXTENDED PERFORMANCE RELEASE DEVICE
The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
www.liftmaster.com