LIFTMASTER model MH commercial opener is a 1/2hp hoist drive. It is part of the commercial opener. This garage door opener has an ac motor on 110vac. A battery backup is not available. The remotes are dip switch on 315. The rail is style is None.
The warranty on the MH garage door opener is 2 years on the motor and 2 years on the remaining opener parts from LIFTMASTER.
The model MH is still available.
LIFTMASTER model MH commercial opener brochure in PDF format at NO CHARGE!
VIEW / DOWNLOAD by clicking HERE
(1.41 MB in English) This requires Acrobat 10 or higher