Balboa SIG10 PCB

The an older, discontinued spa control board commonly found in Signature Spas. Because it is no longer supported, the standard industry upgrade is to replace it with a GS501Z or GS501 control pack. 1, 2 When swapping out the old SIG10, keep these critical details in mind:

- Upgrade Pack: You will likely need to replace the entire box if you are switching to the GS501Z, which fits the plastic "M7" heater enclosures. 1
- Compatibility: It powers the VL401 4-button topside touchpad panel. 1, 2
- Settings: Always configure the dip switches on the new board to match your previous setup, including voltage requirements for your pumps. 1