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Balboa 55959 Circuit Board CS300FC5R1(x), Cal Spa ELE09100411

  • Manufactured by: Balboa Water Group, Inc.

$347.20

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Item Number: 22-3619

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

This new OEM circuit board is for replacing Balboa 55959 circuit boards having a CS300FC5R1(x) chip number.

The Balboa 55959 CS300FC5R1(x) circuit boards are also found in hot tubs made by Cal Spa under the part numbers ELE09100411, CALELE09100411, 09100411.

Tip: The "(x)" shown above is shorthand for a range of last letters on CS300FC5R1 chip numbers this circuit board can replace.

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

Please Note: The numbers on the new circuit board you receive may be different and the components may look slightly different but it will still connect the same and it is a fully compatible OEM replacement , unless specified otherwise in the ADDITIONAL CROSS REF., COMPATIBILITY & INSTALLATION section below.

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:
  • 55959
  • BAL55959

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:
  • CS300FC5R1A
  • CS300FC5R1B
  • CS300FC5R1C
  • CS300FC5R1D
  • CS300FC5R1E
  • CS300FC5R1F
Additional Cross Ref., Compatibility & Installation
Installation instructions:
(No soldering.)
Make sure all white wires on this new circuit board are in the same locations as the old board resepectively.

To clarify, if a wire on this new circuit board is not plugged into the same place as the wires on your old circuit board, then move the wire on this new circuit board to the same location as where it is on your old circuit board.

If this new circuit board has a wire that is not on your old circuit board ignore it.

Do not add any wires to this new circuit board.


Dip switch configuration instructions:
(No soldering.)
Set switches 1, 4, 5, 6, 7, 8 and 9 in the "OFF" position.
Set switches 2, 3 and 10 in the "ON" position.

That's it!
You are now done with configuring this new circuit board.

Please note: Failure to set this new circuit board up properly can result in the system not functioning or may possibly cause damage too this new circuit board or other equipment.
System Control Box Serial Numbers
Tip: The system control box is usually located below the hot tub and the circuit board mounts inside of it.

Please note: System control box serial numbers cannot identify a circuit board.
Please note: Do not use this section for confirmation of making the correct purchase.

The Balboa 55959 CS300FC5R1(x) circuit board can be found in the following hot tub system control boxes (but not limited to).

System Control Box Serial Numbers:
  • 55958
Tip: Items shown in "Related Products" below have also been found in hot tub systems with Balboa 55959 CS300FC5R1(x) circuit boards.

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: 22-3619


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