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1-Pump 3-Relay 5.03+ Circuit Board 6600-722 - Bubbles Supply
Exact Fit

1-Pump 3-Relay 5.03+ Circuit Board 6600-722

Part #: 6600-722

$1437.74
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1-year warrantySame-day ship before 3pm CTPerfect Fit Guarantee30-day returns

About this spa pump

This is an OEM Jacuzzi replacement circuit board designed for Sundance and Jacuzzi spa control systems requiring the LX-10 configuration with Rev 5.03 or higher. The 6600-722 control board manages one pump and three relay functions, providing precise control over your spa's essential operations including filtration, heating, and auxiliary features.

Built to Jacuzzi's exact specifications, this genuine replacement board ensures seamless integration with your existing system. You get our exact fit guarantee, same-day shipping on in-stock orders, and a full 1-year warranty for complete peace of mind. Professional installation is recommended to ensure proper programming and system compatibility—verify your current board's part number and revision before ordering to confirm this upgrade path matches your spa's requirements.

Exact part number

6600-722

Save this for ordering or warranty claims

Also known as / Replaces

This part replaces or is interchangeable with:

  • 6600-722 Control Board
  • Jacuzzi 1-Pump 3-Relay Board
  • LX-10 Circuit Board

Looking for an older part number? Check our supersession lookup tool

Fits these brands and models

Compatible brands

JacuzziSundance Spas
Not sure if it fits your spa? Send us a photo — we'll confirm before you order

Common symptoms this part fixes

If your spa is showing any of these signs, this part is likely your fix:

  • Spa display is blank or unresponsive
  • Pump will not activate through topside controls
  • Heating cycle fails to initiate
  • Auxiliary relay functions not responding
  • Spa locks into error codes and will not reset
  • Control board shows visible burn marks, corrosion, or relay damage

Not sure if this is your problem? Try our diagnostic centre or .

Before you buy — quick checklist

  • Confirm your existing board's part number is 6600-722 — do not order by symptom alone
  • Verify your system is running firmware revision 5.03 or higher before treating this as a compatible upgrade path
  • Confirm your spa uses the LX-10 control system configuration
  • Document all existing wiring connections with photos before disconnecting the old board
  • Check whether your control pack requires dealer-level programming after board replacement — some LX-10 systems do
  • Inspect the control pack enclosure for water intrusion or corrosion that may have caused the board failure and address root cause before installing

Reading the checklist now prevents 90% of returns. Worth the 60 seconds.

Install difficulty: Hard — Technician recommended

Warranty

1 year manufacturer warranty against defects

Covers manufacturing defects. Does not cover improper installation, normal wear, or accidental damage.

Warranty claims: warranty@bubblessupply.com

Perfect Fit Guarantee

Ordered with our help and the part doesn't fit? Contact us before installation. We'll resolve it with an exchange, replacement recommendation, or return approval.

Learn about our Perfect Fit Guarantee →

Shipping

We ship across the US and Canada. US orders ship from our US warehouse to US customers; Canadian orders ship from our Canadian warehouse to Canadian customers — no cross-border shipping, no surprise duties. In-stock orders placed before 3pm CT ship same day. Standard shipping $9.95 flat rate. Free shipping on orders over $200. Express options available at checkout.

Returns

30-day hassle-free returns on unused parts in original packaging. Contact us before returning to receive your RMA number.

Frequently asked questions

Check the Compatibility section above to confirm fitment for your spa brand and model. If your model is not listed, use our fitment selector at /pages/find-my-part or ask our parts AI for a personalized recommendation.

In-stock orders placed before 3pm CT ship the same day. You will receive tracking information by email as soon as your order ships.

We accept returns within 30 days of delivery for unused items in original packaging. Email returns@bubblessupply.com with your order number to start a return. Installed electrical parts cannot be returned for safety reasons.

Yes, all new parts come with a 1-year warranty against manufacturing defects. Warranty does not cover damage from improper installation or normal wear and tear.

Customer reviews

AI Fitment Assistant

Tell us your spa model and we will confirm this part fits before you buy.

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