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Balboa 54756 Circuit Board CS5100R1(x) Alt Repl, Cal Spa ELE09907280

Balboa 54756 Circuit Board CS5100R1(x) Alt Repl, Cal Spa ELE09907280
  • Manufactured by: Balboa Water Group, Inc.
  • Part Number: 54756
  • Chip Number: CS5100R1(x)

$245.70



Item Number: 22-7390

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

This money saving alternate replacement circuit board is for replacing Balboa 54756 circuit boards having a CS5100R1(x) chip number.

The Balboa 54756 CS5100R1(x) circuit boards are also found in hot tubs made by Cal Spa under the part numbers ELE09907280, CALELE09907280, 09907280.

Tip: The "(x)" shown above is shorthand for a range of last letters on CS5100R1 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:
  • 54756
  • BAL54756

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:
  • CS5100R1A
  • CS5100R1B
  • CS5100R1C
Additional Cross Ref., Compatibility & Installation
Installation instructions:
No soldering needed.
Make sure all white wires on the new replacement circuit board are in the same locations as the old board resepectively.
To clarify, if a wire on the new replacement circuit board is not plugged into the same place as it is on the old circuit board then move the wire on the new replacement circuit board to the same location as where it is on the old circuit board.
If the new replacement circuit board has a wire that is not on your old circuit board ignore it.
Do not add any wires to the new replacement circuit board.

Make sure all dip switches on the new replacement circuit board are in the "OFF" position.
Tip: When replacing a hot tub circuit board, testing the heater and replacing it (if bad), is recommended before installing or applying voltage on a new circuit board.
Note: A continuity test is not a sufficient heater test. Contact us by phone for more details on testing a heater.
See RELATED PRODUCTS below for heater replacements.

Tip: Burned circuit boards or burned heater relays are often due to a loose electrical connection or a bad heater or both.
If all connections are tight and if the heater is good then the heater relays are probably old and worn out.
If a burned relay was powering a pump and all electrical connections are tight then the relay is probably old and worn out or the pump might be bad or going bad or all three.
Replacing the heater and/or pump with a new one is recommended if any of those scenarios apply.

Tip: See RELATED PRODUCTS below for more Balboa 54756 CS5100R1(x) replacement options.
Tip: Other items shown in RELATED PRODUCTS below have also been found in hot tub systems with Balboa 54756 CS5100R1(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.
  • Part Number: 54756
  • Part Number: CS5100R1(x)
  • Item Number: 22-7390


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