This Marquis Spa circuit board (part number MQ2KUR2A) is an OEM replacement control board designed for EL2000 systems in Marquis spas. This genuine Balboa-manufactured Mach 3 circuit board serves as the central command unit for your spa's electrical functions, controlling pumps, heaters, lights, and filtration cycles with factory precision.
When your spa's control system fails, this exact-fit replacement ensures seamless compatibility with your existing setup. At Bubbles Supply, we guarantee this circuit board will fit your system perfectly, and we back every purchase with our comprehensive 1-year warranty. Plus, we ship same-day to get your spa running fast. Before installation, ensure power is completely disconnected and consider having a qualified technician handle the replacement, as improper wiring can damage sensitive electronic components.
