About this spa pump
This 2-pump 4-relay circuit board (model 6600-720) is a genuine OEM replacement control board designed for Sundance and Jacuzzi spa systems. The Rev 5.57 LX-15 board manages dual pump operations and four relay functions, providing complete electronic control for your spa’s heating, filtration, and jet systems.
Built to original manufacturer specifications, this control board delivers reliable performance and seamless integration with existing Sundance spa electrical systems. At Bubbles Supply, we guarantee an exact fit for your spa and ship the same day for minimal downtime. Every circuit board includes our comprehensive 1-year warranty for complete peace of mind. Before installation, ensure power is completely disconnected and verify all wire connections match your existing board configuration for safe, proper operation.
