LIFTMASTER model 3500, 3500D residential opener is a 3/4hps belt drive. It is part of the elite series. This garage door opener has an dc motor on 110vac. A battery backup is optional. The remotes are rolling code on 315. The rail is style is Solid T.
The warranty on the 3500, 3500D garage door opener is Lifetime on the motor and 5 years on the remaining opener parts from LIFTMASTER.
The model 3500, 3500D is discontinued.
LIFTMASTER model 3500, 3500D residential opener brochure in PDF format at NO CHARGE!
VIEW / DOWNLOAD by clicking HERE
(1.05 MB in English) This requires Acrobat 10 or higher