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Sundance Jacuzzi Spa Control 6600-784 - Bubbles Supply
Exact Fit

Sundance Jacuzzi Spa Control 6600-784

Part #: 6600-784

$1609.17
In stock — ships today
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1-year warrantySame-day ship before 3pm CTPerfect Fit Guarantee30-day returns

About this control pack

The Sundance Jacuzzi Spa Control 6600-784 is an OEM replacement control system designed for Sundance spa models requiring dual pump operation at 60Hz frequency. This genuine control unit manages your spa's heating and pump functions, ensuring reliable performance and proper water circulation.

Built to Sundance's exact specifications, this control delivers the precise fit and functionality your spa demands. At Bubbles Supply, we guarantee an exact fit for your system and ship same-day to get your spa running quickly. Every control comes with our comprehensive 1-year warranty for complete peace of mind. Before installation, verify your current control's part number matches 6600-784 and confirm your electrical setup supports 60Hz operation for safe, proper function.

Exact part number

6600-784

Save this for ordering or warranty claims

Also known as / Replaces

This part replaces or is interchangeable with:

  • Jacuzzi spa control unit 6600-784
  • Sundance 6600-784 controller
  • Sundance spa control board

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

Fits these brands and models

Compatible brands

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

Technical specifications

Voltage
240V

Common symptoms this part fixes

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

  • Spa will not power on or respond to controls
  • Pumps not activating despite power to the unit
  • Heater not turning on or maintaining set temperature
  • Error codes displaying on topside control panel
  • Spa running in fault or lockout mode
  • Intermittent loss of pump or heater function

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

Before you buy — quick checklist

  • Confirm the part number on your existing control matches 6600-784 exactly — do not rely on visual match alone
  • Verify your spa operates on 60Hz electrical supply
  • Confirm your spa requires dual pump operation, as this control is designed for two-pump configurations
  • Check that your topside control panel is compatible with this control unit before ordering
  • Inspect wiring harness connectors on your current unit to confirm they match this replacement
  • Document all wiring connections with photos before disconnecting your old control

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

Install difficulty: Hard — Technician recommendedTypically 60-120 minutes

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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