Customer Service
1-828-781-1903


Balboa 52226 Circuit Board 520ER1(x) Alt Replacement


  • Manufactured by: Balboa Water Group, Inc.

$275.41

Add to Cart:

Item Number: 22-6861

  • Description
  • Details
  • Reviews
Please read entire page before placing an order.

This money saving alternate replacement circuit board is for replacing Balboa 52226 circuit boards having a 520ER1(x) chip number.

The Balboa 52226 520ER1(x) circuit boards are also found in hot tubs made by Great Lakes Spas, GPM Spas, Streamline Spas and possibly others.

Tip: The "(x)" shown above is shorthand for a range of last letters on 520ER1 chip numbers this alternate replacement circuit board can replace.

Please note: A list of chip numbers this alternate replacement circuit board can replace is specified in the CROSS REFERENCE VERIFICATION section below.

Please note: This alternate replacement circuit board is made by the same manufacturer, it is brand new, it is compatible with your system (unless specified otherwise in the ADDITIONAL CROSS REF., COMPATIBILITY & INSTALLATION section below), it has the same quality and durability.

Please note: This alternate repalcement circuit board will have different numbers.
Cross Reference Verification
Step 1 of 2:
Tip: Locate the serial number on the old circuit board being replaced.
Tip: The serial number is on a sticker on the old circuit board (not the box).
Tip: The serial number is shown on the sticker preceded by S/N or P/N (part number).
Tip: The image above shows an example of a serial number sticker (click image to enlarge it).

Verify the serial number on the old circuit board being replaced is in this list.

Serial Numbers:
  • 52226
  • BAL52226

Step 2 of 2:
Tip: Locate the chip number on the circuit board you are replacing.
Tip: The whole chip number is on a sticker located on the circuit board (not the box).
Tip: This is a different sticker than the serial number sticker.
Tip: The chip number sticker usually has two lines of text and the top line is the whole chip number (the bottom line is not needed).
Tip: See image above for an example of a chip number sticker and where they're typically found on the circuit board (click the image to enlarge it).

Verify the chip number on the circuit board being replaced placed is in this list.

Chip Numbers:
  • 520ER1A
  • 520ER1B
  • 520ER1C
  • 520ER1D
  • 520ER1E
  • 520ER1F
Additional Cross Ref., Compatibility & Installation
This replacement circuit board is only compatible with two types of systems.
Before ordering, please make sure your system's specs match one of the two listed here:
1. Systems that have 2 jet pumps (both two speeds) and no circulator pump.
2. Systems that have 2 jet pumps (both single speed) and a circulator pump present.

If your system's specs don't match one of the two listed above, please give us a call so we can better help you.
Unsure of what something on this page means?

Please contact us so we can better assist you.


  • Manufactured by: Balboa Water Group, Inc.
  • Item Number: 22-6861


Be the first to write a review.  Write a Review.