Balboa Water Group
Balboa Water Group VS/EL Series Expander Board | 33-53681-K
Balboa Water Group VS/EL Series Expander Board | 33-53681-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


VS/EL Series spa expander board
Match your old board with the Balboa VS/EL series expander board, part 33-53681-K.
Part 33-53681-K is a third expander board number listed for VS/EL series controls. Check the part number on your old board before you order. Questions? Call 631-678-6506.
How to choose and fit the VS/EL Series Expander Board
With power off, find the part number printed on your expander board.
Confirm it reads 33-53681-K and that the plugs line up with the photo.
Install the board, restore power, and call 631-678-6506 if you need a second opinion on the match.
Works on
VS/EL Series Expander Board questions and answers
What is this board for?
It is an expander board for Balboa spa controls, listed for VS/EL series.
Can I use a different expander number?
Only if it matches your original. Check the number first or call 631-678-6506.
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.
What does the photo show?
The photo shows the Balboa Water Group logo, not the part itself. Call 631-678-6506 and we will help you match the part number 33-53681-K before you order.
