54091 Balboa ® Circuit Board Super Duplex Digital for M1 Systems

54091 Balboa ® Circuit Board Super Duplex Digital for M1 Systems | M1R1B Balboa ® Circuit Board Super Duplex Digital (generic)  for M1 Systems. Circuit boards are not "plug and play - they will require correct component voltage set-up and dipswitch configuration. Please follow the wiring schematics on the back side of the spa pack cover. Do not buy a circuit board based on appearance, as many boards look the same and manufacturers can change board appearance. Refer to this tech tip before buying a replacement board What to Look for When Buying a Circuit Board €“ Spa Parts Experts Features: Chip: M1R1B Pump 1, Pump 2, Blower, Circ Pump, Ozone, and Light Circuits. Production Specifications: Connection Type: Phone Style connector (RJ45)   120V This circuit board is compatible with the 30337 Balboa ® Sensor Assembly, the 30274-2 Transformer (for 220V applications), the 30274-1 Transformer (for 110V applications) and the 51223, 51225 or 51676 Balboa ® Topside Panels. Replacement option