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  4646 Oakton St (rear), Skokie, IL
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We are providing regular service during this COVID-19 pandemic - our service is deemed essential - We are wearing masks and allowing for minimum contact with social distancing during service! UPDATE 6/11/2021: with Illinois in phase 5 we will wear masks when requested by customers -just let us know your preference

LIFTMASTER model J VERSION 4 commercial opener is a 1/2hp jackshaft 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 J VERSION 4 garage door opener is 2 years on the motor and 2 years on the remaining opener parts from LIFTMASTER.

The model J VERSION 4 is discontinued.

LIFTMASTER model J VERSION 4 commercial opener brochure in PDF format at NO CHARGE!
VIEW / DOWNLOAD by clicking HERE
liftmaster_j_l4_brochure_14.pdf

(1.74 MB in English) This requires Acrobat 10 or higher