The Genie 38874R4.S is a genuine Genie OEM replacement control board. DC chain/belt-drive high-voltage-class dual-encoder replacement control board for IntelliG 1200 openers. Electrical input: DC (high-voltage class, internal supply). Three-screw mount to powerhead cover; plug-in wiring harnesses. Compatible with: Genie 4024, Genie 4042, IntelliG 1200.
A: The R4 variant targets high-voltage-class DC chain/belt-drive models (IntelliG 1200, models 4024/4042), while R3 covers low-voltage-class DC chain/belt models (IntelliG 1000, DC Chain Elite).
A: 38875R4.S is the matching wall console kit for the IntelliG 1200 and models 4024/4042. It is not a direct substitute for the 38874R4.S control board.
A: Disconnect power, unplug all wiring harnesses, unmount the old board, mount the new board to the powerhead with three screws, reconnect all harnesses, route the antenna wire, then reprogram travel limits and transmitters.
A: Yes. Travel limits and all transmitters and keypad accessories must be reprogrammed after the board is replaced.
A: Yes. The 38874R4.S supports Genie smart device integration when paired with a compatible Aladdin Connect or Genie smart home accessory.