The replacement 20386R.S circuit board is used for older garage door openers. Only use this board if your part numbers are one of the following 31184R, 20386R.S. When replacing this circuit board you may need to reprogram your remote controls.
This Board Can Only Be Returned In Original Condition Sold Within 30 Days.
Unplug the opener before you install the new board!
Usually Ships In One Business Day