Genie 20424S Control Circuit Board Genie Model Excelerator PRO99 CMD9900 H8000
DC screw drive controller board
Sequencer board is designed for all Genie Excelerator garage door openers
Compatible with Genie DC screw drive models PRO99, CMD9900 and H8000
Compatible with Overhead Door model 990 Overdrive
Original Genie manufactured replacement part
