AquaLink RS 8 Pool and Spa system upgrade kit. This upgrade kit includes a CPU board, chip, and bezel for Jandy AquaLink RS 8 control systems. This kit will upgrade your current RS 8 to revision QQ. Revision QQ will give you the ability to operate variable speed pumps, LED lights and Touch control panels. (RS 8 Pool and Spa Combination Upgrade. For Systems with a pool and spa sharing one set of equipment).