Liftmaster belt drive 8550W-WAL (with auto lock), battery backup install

[@chamberlainliftmasterfan-2521]

Sweet setup! Does the -WAL mean it comes with the auto lock? Never heard of the -WAL on an 8550

[@jarradthuer6011]

WAL means that it is auto lock capable, this particular 8550 did not come with the lock.

[@Undercoverelevator212-s2n]

@@jarradthuer6011 But you made up the model number. It's supposed to be 8550WLB.

[@GarageDoorGuy59]

@@Undercoverelevator212-s2n can you actually shut up no one cares with your wrong information

[@joannewu6394]

why an 8550? its a dettached garage