Balboa GS501DZ PCB

Additional Notes: This PCB is used as a replacement for an existing GS501DZ 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. EXCHANGE FUSE TO 20 AMP IF USING A PUMP OR ADD LINK WIRE AS SHOWN ON REVERSE OF LID.