This PCB is used as a replacement for an existing GS523DZ control box with a PCB failure. This must not be fitted to any other device/product. This should be done by an experienced tradesman or a competent individual as a faulty install could result in board damage and invalidate the warranty.
*SPECIAL NOTE* J17 IS A PORT THAT ALLOWS YOU TO RUN EITHER AN AIR BLOWER OR ANOTHER SINGLE SPEED PUMP. THE PORT IS PROTECTED BY A 10 AMP QUICK BLOW FUSE.