XTREME model 425-1636 residential opener is a 3/4hps chain/cable drive. It is part of the value. This garage door opener has an dc motor on 110vac. A battery backup is not available. The remotes are rolling code on 303. The rail is style is Split Square.

The warranty on the garage door opener is Lifetime on the motor and 1 year on the remaining opener parts from XTREME.

The model 425-1636 is still available.

XTREME model 425-1636 residential opener owners manual and instructions in PDF format at NO CHARGE!
VIEW / DOWNLOAD by clicking HERE
xtreme_425_1636_dcsm_chain_om.pdf

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