The Balboa Expansion Board, part 53426, expands spa system capabilities, offering reliable performance, easy integration, and enhanced control for optimal operation and functionality.

Specifications:

• Brand: Balboa Water Group
• Expansion circuit board replacement part
• Replaces: 53913
• Part no. 53426

** SUPER SALE ** UNTIL QUANTITY LASTS

Returns & installation: Confirm your spa's control system is compatible with this expansion board before ordering, as electronic parts are non-returnable once installed. Installation should be performed with power disconnected, per your spa's service manual.

FAQ

Q: How do I know if this board needs replacing?
A: Error codes, loss of expanded functionality, or a spa control system that won't fully initialize are common signs of a failing expansion board.

Q: Will this fit any Balboa system?
A: Confirm your control system is compatible with expansion board 53426 or its predecessor 53913 before ordering.