DoorKing 4502-018 Circuit Board (Post 2018) Liftmaster CSW24U Compensates for leap years

Compensates for leap years

Can be inserted onto Key Fobs and Remotes

a better volume control

and restricted access facilities requiring extended reach and reliable operation

DoorKing 4502-018 Circuit Board (Post 2018) Liftmaster CSW24U Compensates for leap yearsThe DoorKing 4502 018 Circuit Board This board needs two (2) safety photoeyes to function 2018 UL 325 board Non UL board may be available here Terminal strip not included Call 800 676 4909 for any DoorKing parts that may not be listed on our site. With a 40 year relationship with DoorKing, PSS Store will be able to supply you with any original part you may need to repair your gate.