Balboa 52143 Circuit Board 2000DR2(x) Alt Replacement, Thermo Spas

Balboa 52143 Circuit Board 2000DR2(x) Alt Replacement, Thermo Spas
  • Manufactured by: Balboa Water Group, Inc.
  • Part Number: 52143
  • Chip Number: 2000DR2(x)

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Item Number: 22-7522

  • Description
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The Balboa 52143 2000DR2(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 52143 2000DR2(x) circuit boards are also found in hot tubs made by Thermo Spas and possibly others.
Cross Reference Verification
Serial Numbers:
  • 52143
  • BAL52143

Chip Numbers:
  • 2000DR2A
  • 2000DR2B
  • 2000DR2C
  • 2000DR2D
  • 2000DR2E
  • 2000DR2F
Additional Cross Ref., Compatibility & Installation
ATTENTION: The following changes occur with this alternate replacement circuit board.

Pump-1 will operate at two speeds.

Pump-2 will operate at one speed with a 7-button topside control panel or will operate at two speeds with an 8-button topside control panel.

Pump-3 is not supported.
Simplex button (1-button aux. panel) is not supported (because Pump-3 is not supported).

Electric air blower will operate at one speed.

The "lock" feature on the topside control panel is not supported.

There is no other drop-in alternate replacement circuit board than this one for the Thermo Spas 2000DR2(x) systems and the original 2000DR2(x) circut board has been discontinued from the manufacturer.
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 52143 2000DR2(x) circuit board can be found in the following hot tub system control boxes (but not limited to).

System Control Box Serial Numbers:
  • 51454
  • 51454-01
  • 51454-02
  • 51454-03
  • 51454-04
  • 51454-05. 51454-06
  • 51454-07
  • Model: 013394
  • Model: Park Avenue
  • 2000DX
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.

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: 52143
  • Part Number: 2000DR2(x)
  • Item Number: 22-7522

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