Sundance Jacuzzi 6600-726 Circuit Board
The Sundance / Jacuzzi 6600-726 circuit board is an OEM replacement board used in many Sundance and Jacuzzi hot tubs equipped with the LX-15 control system.
This board supports 1 or 2 jet pumps plus a dedicated low-flow circulation pump and is commonly used in 680 Series and 780 Series Sundance spas as well as many Jacuzzi J-Series models.
The 6600-726 board is the updated replacement for several earlier Sundance and Jacuzzi circuit boards.
Key Features
• Genuine Sundance / Jacuzzi replacement circuit board
• LX-15 control system platform
• Revision 3.61 logic chip
• Supports 1–2 jet pumps
• Supports dedicated low-flow circulation pump
• Designed for 220-240V systems
• Used in many Sundance 680 / 780 and Jacuzzi J-Series spas
Replaces Circuit Boards
The 6600-726 circuit board replaces the following earlier boards:
• 6000-167
• 6600-288
• 6600-088
If your spa uses one of these part numbers, 6600-726 is the updated replacement board.
Compatible Spa Systems
This circuit board is commonly used on spas equipped with:
• Sundance 680 Series spas with circulation pump
• Sundance 780 Series spas with 1-2 pumps
• Jacuzzi J-Series spas with circulation pump systems
Compatibility varies by spa configuration and year of manufacture. Always confirm the part number printed on the original circuit board before ordering.
Important Compatibility Note
This board is designed for spa systems that use a dedicated circulation pump.
If your spa does NOT have a circulation pump, a different circuit board may be required.
Signs Your Spa Circuit Board May Be Failing
Common symptoms of a failing Sundance or Jacuzzi circuit board may include:
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Spa will not power on
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Heater not activating
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Pumps not responding
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Error codes on the topside control
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Burn marks or corrosion on the board
If your spa originally used part numbers 6000-167, 6600-288, or 6600-088, the updated replacement may be 6600-726.
Frequently Asked Questions
What does 6600-726 replace?
6600-726 replaces earlier Sundance / Jacuzzi circuit boards including 6000-167, 6600-288, and 6600-088.
How do I know if 6600-726 fits my spa?
Check the part number on your original board and confirm your spa uses an LX-15 system with a circulation pump.
Is 6600-726 final sale?
Yes. Because it is an electronic circuit board, it is final sale with no returns, exchanges, or refunds.
Final Sale Policy – Electronic Parts
Because this item is an electronic circuit board, it is FINAL SALE.
Once a circuit board has been installed or connected to power it cannot be resold as new.
For this reason:
• No returns
• No exchanges
• No refunds
Please ensure you have correctly diagnosed the problem and confirmed compatibility before purchasing.
If you are unsure whether 6600-726 is the correct replacement for your spa, contact us with:
• Your spa model
• Your spa serial number
• A photo of your existing circuit board
We are happy to help confirm the correct part before ordering.
