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For most liftmaster and chamberlain garage door openers you can find the product s model number on a label or sticker on the outside of the product.
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Chamberlain group cgi the corporate parent company to liftmaster chamberlain merlin and grifco is a global leader in access solutions and products.
The label may be located in the following places.
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Chamberlain group has helpful how to articles troubleshooting resources video instructions product manuals and more.
Under the front light lens.
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We design and engineer residential garage door openers commercial door operators and gate entry systems.
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