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Balboa 51616 Circuit Board LAS101R1(x) Alt Replacement, LA Spas

Balboa 51616 Circuit Board LAS101R1(x) Alt Replacement, LA Spas
  • Manufactured by: Balboa Water Group, Inc.
  • Part Number: 51616
  • Chip Number: LAS101R1(x)


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Item Number: 22-2243

  • Description
  • Details
  • Reviews

The Balboa 51616 LAS101R1(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 51616 LAS101R1(x) circuit boards are also found in hot tubs made by LA Spas and possibly others.
Cross Reference Verification
Serial Numbers:
  • 51616
  • BAL51616

Chip Numbers:
  • LAS101R1A
  • LAS101R1B
  • LAS101R1C
  • LAS101R1D
  • LAS101R1E
  • LAS101R1F
Additional Cross Ref., Compatibility & Installation
Changes in functionality for systems with a multiple speed air blower:
(Keep in mind, an air blower is not a jet pump).

This alternate circuit board is compatible with the existing system, however, the air blower will only run on 2 speeds instead of 3.
To clarify: the air blower will only run on 2 speeds now.

Eveything else operates the same.

Additional installtion instructions for topside control panels with 7 buttons:
Locate jumper J6 and put its jumper sleeve on both pins.
Locate jumper J17 (notice it is a three pin jumper) and put its jumer sleeve on pins 1 and 2 (Filter 'B').
Locate jumper J10 and put its jumper sleeve on both pins.
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.

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: 51616
  • Part Number: LAS101R1(x)
  • Item Number: 22-2243


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