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This is the Balboa GS500Z circuit board, it has a bar code number of 54510, to ensure a correct match do not go by the "GS500 or GS500Z" stamped into the left corner of the board as this is common to the entire range, look on the software chip label for an exact match
This PCB is compatible with the GS500 (s/n 53356) & GS500Z control box.
This hot tub circuit board must only be fitted to the hot tub control system specified, it should be fitted by a competent individual as all our boards are tested prior to sending out, so we recommend you read our easy to understand PCB installation notes in our troubleshooting section as a faulty install will result in board damage and invalidate your warranty.
This PCB is compatible with the GS500 (s/n 53356) & GS500Z control box.
This hot tub circuit board must only be fitted to the hot tub control system specified, it should be fitted by a competent individual as all our boards are tested prior to sending out, so we recommend you read our easy to understand PCB installation notes in our troubleshooting section as a faulty install will result in board damage and invalidate your warranty.