PCB, Balboa VS504SZ, 54638-01 : 54638-01

PCB, Balboa VS504SZ, 54638-01 Balboa circuit boards are marked with a “Chip Number” that is located on a white label placed on the logic chip near the center of the board. It is imperative that this number is supplied to Horizon Spa & Pool Parts for proper circuit board match. Just because boards may look similar the programming may not allow it to work properly in all applications. Circuit Board Application: Balboa Water Group Circuit Board Model: VS504SZ Circuit Board Type: New Manufacturers Part Number: 54638-01 Replaces _54638-01,386857,MX504SZ,VS504SZR,