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Balboa 52719 Circuit Board 736R1(x), Coleman Spas 103-098

  • Manufactured by: Balboa Water Group, Inc.
  • Part Number: 52719
  • Chip Number: 736R1(x)


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Item Number: 22-8507

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The Balboa 52719 736R1(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.

The Balboa 52719 736R1(x) circuit boards are also found in hot tubs made by Coleman Spas under the part numbers 103-098, 103098.
Cross Reference Verification
Serial Numbers:
  • 52719
  • BAL52719

Chip Numbers:
  • 736R1A
  • 736R1B
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.

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  • Manufactured by: Balboa Water Group, Inc.
  • Part Number: 52719
  • Part Number: 736R1(x)
  • Item Number: 22-8507


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