841LM Automatic Garage Door Lock

841LM Automatic Garage Door Lock

Works with models 8360WL,8550WL and 8587WL.
** Note must have the "L" in the model number which means its lock compatible**

If you have an 8550W or 8360W without the L in the part number then you will need to purchase a new Logic board and end panel in order to upgrade to the locking system.
See additional part numbers 050DCTWFLK and 041D0216-2

*** If you have an 8550 or 8360 without the W in the part number then you would have to buy a completely new unit there is no upgrade available.