Balboa Water Group
Balboa Water Group VS520SZ Circuit Board | 33-55299-K
Balboa Water Group VS520SZ Circuit Board | 33-55299-K
This item qualifies for free ground shipping.
In-stock orders usually leave in 1 to 2 business days, and faster delivery options appear at checkout.
Manuals, spec sheets and warranty for Balboa Water Group


VS520SZ spa control circuit board
Revive a VS520SZ spa control with Balboa circuit board 33-55299-K.
This is the second VS520SZ part number, so check yours first. Compare it with the number on your board. Questions? Call 631-678-6506.
How to choose and fit the VS520SZ Circuit Board
Shut off the breaker and read the part number on your current board.
Confirm it matches 33-55299-K and not 33-55151-K.
Swap the board and call 631-678-6506 if you need a second opinion.
Works on
VS520SZ Circuit Board questions and answers
What is the VS520SZ circuit board?
It is the Balboa circuit board for the VS520SZ spa control system, part 33-55299-K.
Why are there two VS520SZ part numbers?
We cannot confirm why. Match the number on your board or call 631-678-6506.
Do I need a pro to swap it?
Board work involves household power. Shut off the breaker, or call 631-678-6506 if you are not comfortable.
Is it in stock?
Stock changes often. If it shows as unavailable, call 631-678-6506 and we will check.
Will it fit my spa?
Confirm the part number and size against your current part, or call 631-678-6506 and we will help you check before you order.
