Larko Mark 1 Mother board one of 3 boards used in the Larko Mark 1 gate operators other boards are know as Logic board and Power Board
This is the main white board that the other boards plug into, it has the LED's, transformer and fuses
These boards are USED
We offer a 60 day exchange policy if the board does not function.
We offer a 60 day exchange policy for this Used part
![Liftmaster K1A6407-1 Logic Board, Absolute Encoder [K001A6407-1]](https://cdn11.bigcommerce.com/s-32eq2wsbti/images/stencil/500x659/products/8361/232754/liftmaster-k1a6407-1-logic-board-absolute-encoder-k001a6407-1-k1a6407-1__89427.1724089061.jpg?c=2 "Liftmaster K1A6407-1 Logic Board, Absolute Encoder [K001A6407-1]")
