Shipping FREE on all orders over £75 - 
This is the Balboa GS501Z circuit board, it has a bar code number of 54512.
This PCB is compatible with a GS501Z control box, used in Spaform Spas and Great Lakes, it is a direct replacement for GS501 (53341) or pack 53340-02
Shown in the photo gallery is a Infinity Spa by blue waters - this is the direct replacement for that board.
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 a GS501Z control box, used in Spaform Spas and Great Lakes, it is a direct replacement for GS501 (53341) or pack 53340-02
Shown in the photo gallery is a Infinity Spa by blue waters - this is the direct replacement for that board.
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.
Port J17 allows either a blower or another 1 speed pump to be run, protected by 10amp fuse (quick blow)