The chamberlain group inc.
How to install chamberlain garage door opener b750.
Chamberlain group cgi the corporate parent company to liftmaster chamberlain merlin and grifco is a global leader in access solutions and products.
We design and engineer residential garage door openers commercial door operators and gate entry systems.
Manufactures and markets some of the world s most reliable efficient and cost effective garage door opener products for do it yourself installation.
This model is powered by a quiet energy efficient dc motor with the lifting equivalent of a 3 4 hp ac motor.