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Replacement Circuit Board for Master Spa, by Balboa. Chip Number MS50UR1A or BP5R1, BP Series. OEM Part Numbers 56511 and X801159.
SpaGuts P/N: 12-175-6511
This is also a replacement option for the following part numbers: 55967-03, 56510 (MS50U X300771 Control System), X801148 Circuit Board (discontinued)
This item comes with a 1-year manufacturer's limited warranty.
SPECIAL ORDER NOTES: THIS ITEM IS A SPECIAL ORDER AND HAS AN ESTIMATED 2-20 BUSINESS DAYS LEAD TIME BEFORE SHIPPING. SPECIAL ORDERS ARE NON-RETURNABLE AND CANNOT BE CANCELED ONCE THE ORDER IS PLACED.
When selecting your spa circuit board, it’s critical that you go by part numbers and not appearances or the model number. The part number on a spa circuit board can be found on a white sticker located directly on the circuit board (The ID label may be located on the board relays or on the transformer). Buy based on this part number. Model numbers of a circuit board may provide many different options and/or lead to ordering the wrong part. Do NOT purchase a hot tub circuit board just because it looks the same as the one you’re replacing and have a similar model number. Spa circuit boards can look identical, but be programmed differently to work with different spa controllers and topside panels. NOTE that most circuit boards need to be configured in the field to work with the existing spa components and power ratings, and a licensed professional is recommended for installation and configurations. If this circuit board is being used as an optional replacement for the original circuit board, please follow the new circuit board wiring diagram for proper installation and configuration setup.