CHAMBERLAIN model 248735S residential opener is a 3/4hp chain/cable drive. It is part of the value. This garage door opener has an ac motor on 110vac. A battery backup is not available. The remotes are rolling code on 315. The rail is style is Split Square.
The warranty on the garage door opener is 10 years on the motor and 1 year on the remaining opener parts from CHAMBERLAIN.
The model 248735S is discontinued.
CHAMBERLAIN model 248735S residential opener owners manual and instructions in PDF format at NO CHARGE!
VIEW / DOWNLOAD by clicking HERE
chamberlain_248735s_om.pdf
(2.61 MB in English) This requires Acrobat 10 or higher