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Balboa 50769 Circuit Board 9100R1(x) Alt Repl 2, Caldera, Watkins

Balboa 50769 Circuit Board 9100R1(x) Alt Repl 2, Caldera, Watkins
  • Manufactured by: Balboa Water Group, Inc.
  • Part Number: 50769
  • Chip Number: 9100R1(x)


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Item Number: 22-2485

  • Description
  • Details
  • Reviews

The Balboa 50769 9100R1(x) circuit board is discontinued but we have options.

Option 1: Scroll down to RELATED PRODUCTS for other replacement options.

Option 2: Get your circuit board repaired.  Please contact us before sending items in for repair.

Option 3: Contact us to inquire about a new retro-fit system control box replacement.

The Balboa 50769 9100R1(x) circuit boards are also found in hot tubs made by Caldera Spas, Watkins Manufacturing Corp. and possibly others.
Cross Reference Verification
Serial Numbers:
  • 50769
  • BAL50769

Chip Numbers:
  • 9100R1A
  • 9100R1B
  • 9100R1C
  • 9100R1D
  • 9100R1E
  • 9100R1F
Additional Cross Ref., Compatibility & Installation
This package deal includes an alternate replacement circuit board and a compatible topside control panel.
The old (original) topside control panel is outdated and not compatible.

ATTENTION: Some of these hot tub systems have an optional auxiliary topside control panel that is also outdated and not compatible with this alternate replacement circuit board.
If you have an optional auxiliary topside control panel, please contact us to inquire if a compatible one is available.
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.

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 50769 9100R1(x) replacement options.

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: 50769
  • Part Number: 9100R1(x)
  • Item Number: 22-2485


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