Product Description
Balboa Water Group EL2001 M3 (Mach 3) circuit board that replaces many older or discontinued proprietary boards. Board has Molex connectors for topside.
AKA/Replaces: 53974-03, 53974-04, 53974-05, 53984, 54492, 55013-01, BF05R2, EL2001_Mach3, EL2001M3R2C, HS2000R2B, MS5000r1, 55012-02
Please Note: If you are not sure that this is the proper board for your spa please contact us with your processor number and P/N or S/N from your board. Many boards will look similar but have a different programming that can be incompatible with your topside control and other components. Circuit boards are a final sale and cannot be returned.