Balboa Circuit Board for VS520SZ Control Systems - 55151-01

Balboa Circuit Board for VS520SZ Control Systems - 55151-01

Balboa Circuit Board for VS520SZ Control Systems - 55151-01

Regular price $348.95
Qualifies for Free Shipping Free standard shipping to US contiguous 48 states for $100+ merchandise total.
Standard Delivery to US-48 Only This item is not available for air shipment, nor for delivery to Alaska, Hawaii, or Canada.
  • In stock, ready to ship
  • Inventory on the way


This Balboa® printed circuit board (PCB) is for VS520SZ hot tub control systems. Supports a primary and secondary hot tub pump, additional pump or blower, circ pump, ozonator, stereo and light.

  • Genuine OEM Board
  • Compatible with Serial STD topside control keypads

Product Notes: Balboa® circuit boards must be identified with the chip number and/or part number to guarantee the existing control keypad and other components will function. See below for associated part and chip numbers. Circuit boards are not returnable, but are covered under warranty.

How to Find Your Circuit Board Chip Number


Primary Pump Circuit: 2-Speed - 120V/240V

Secondary Pump: 2-Speed - 120V/240V

Additional Pump
OR Blower Circuit:
1-Speed pump or blower - 120V/240V

Ozone/UVC Circuit: 120V/240V

Circulation Pump Circuit:120V/240V

A/V Circuit:120V/240V

Light Circuit:12V Spa Light

Compatible Control Keypad Type: Serial STD

Compatible Keypad Part Numbers:53189

Chip Numbers: INFI10R1A, VS520SZR1A, VS520SZR1B

Cross Reference Numbers: 33-55151-K, 33-0033B-K, 55151, 55151-01, 59-138-1687, 9710-116

Warranty: 1 year Limited Manufacturer’s Warranty

IMPORTANT:   Damage due to incorrect installation is not covered under warranty.