This control board is a durable, flexible replacement for the circuit board in any of these gate openers. The R4211 control board is capable of handling single gate installations, and it can support push and pull-to-open settings.
From the Manufacturer
The R4211 control board is the replacement circuit board for the Mighty Mule FM500 Single automatic gate openers. This control board is meant to be a durable, reliable replacement for the circuit board in any of these gate openers. The R4211 control board is capable of handling single and dual gate installations and it can support push-to-open and pull-to-open settings. All GTO/Mighty Mule accessories will work with this board and it is made to fit easily into any control box.
- Manufacturer has revised the board and updated to the newest version for this reason you may receive a Red or Green R4211/R5211 control board that will be the same replacement as the blue one, as show below