The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois
www.chamberlain.com
RESIDENTIAL GATE OPERATOR
Models GA400D and GA420DFor Residential Use Only
Owner’s Manual
The Chamberlain Group, Inc.
845 Larch Avenue
Elmhurst, Illinois
www.chamberlain.com
RESIDENTIAL GATE OPERATOR
Models GA400D and GA420DFor Residential Use Only
Owner’s Manual