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Balboa 55507 Circuit Board VS300AVR1(x)

  • Manufactured by: Balboa Water Group, Inc.
  • Part Number: 55507
  • Chip Number: VS300AVR1(x)


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Item Number: 22-9326

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The Balboa 55507 VS300AVR1(x) circuit board is discontinued but we have options.

Option 1: Get your circuit board repaired.  Please contact us before sending items in for repair.

Option 2: Contact us to inquire about a new retro-fit system control box replacement.

Cross Reference Verification
Serial Numbers:
  • 55507
  • BAL55507

Chip Numbers:
  • VS300AVR1A
  • VS300AVR1B
  • VS300AVR1C
  • VS300AVR1D
  • VS300AVR1E
  • VS300AVR1F
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.

The Balboa 55507 VS300AVR1(x) circuit board can be found in the following hot tub system control boxes (but not limited to).

System Control Box Serial Numbers:
  • 55506
  • Box Model: VSP-VS300AV-CCAJ
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: Items shown in RELATED PRODUCTS below have also been found in hot tub systems with Balboa 55507 VS300AVR1(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: 55507
  • Part Number: VS300AVR1(x)
  • Item Number: 22-9326


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