The Balboa MAXX BP501 G3 Circuit Board (56961) is a direct-fit replacement control board for compatible hot tub and spa systems.

Specifications:

• Brand: Balboa Water Group
• Model: BP501 G3
• Part no: 56961

Fits/replaces:

• Hot tub and spa systems using a Balboa BP501 G3 circuit board
• Confirm your existing board's model matches BP501 G3 before ordering

Common signs you need this part:

• Spa won't power on, or trips the breaker repeatedly
• Pumps or heater don't respond to topside controls
• Persistent error codes not resolved by sensor or switch replacement

Returns & installation: Circuit boards are electrical components and are non-returnable once opened, per our Terms & Conditions. Professional installation by a licensed technician is recommended.

FAQ

Will this fit my Balboa spa? Confirm your existing board's model matches BP501 G3 before ordering.

Can I return this if it's the wrong part? No — circuit boards are final sale once opened, so confirm compatibility before ordering.