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J-400 2-Pump Topside 6600-379 - Bubbles Supply

J-400 2-Pump Topside 6600-379

Part #: 6600-379

$1763.53
In stock — ships today
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🔒 Secure checkout↩️ 30-day returns✅ 1-year warranty
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Fits these systems

Jacuzzi

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

Before you buy — quick checklist

  • Locate the part number on your existing topside panel and confirm it matches 6600-379
  • Confirm your spa is a J-400 series with a 2-pump configuration — single-pump models use a different topside
  • Verify your spa system operates on 50Hz — this topside is rated for 50Hz and is not interchangeable with 60Hz systems
  • Check the ribbon cable connector on your existing panel for pin count and connector style to ensure compatibility
  • Inspect the topside cavity and mounting cutout dimensions before ordering to confirm physical fit

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

Exact part number

6600-379

Save this for ordering or warranty claims

Common symptoms this part fixes

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

  • Topside panel is unresponsive or frozen
  • LCD display is blank, dim, or displaying garbled characters
  • Pump 1 or Pump 2 button not responding
  • Spa temperature cannot be adjusted from the topside
  • Filtration cycle cannot be set or modified
  • Error codes appearing that cannot be cleared through normal operation

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

About this spa pump

This J-400 2-pump topside control panel (part #6600-379) is the OEM replacement control for select Jacuzzi J-400 series spas. Featuring a clear LCD display and dual pump controls, this 50Hz topside manages your spa's essential functions including filtration cycles, temperature settings, and pump operations.

Built to Jacuzzi's exact specifications, this genuine control panel ensures seamless integration with your spa's existing system. We guarantee an exact fit for compatible J-400 models and back every unit with our comprehensive 1-year warranty. Orders placed by 2 PM ship the same day, getting your spa back to optimal performance fast. Verify your current control's part number before ordering to ensure proper compatibility with your specific spa configuration.

Also known as / Replaces

This part replaces or is interchangeable with:

  • J-400 2-pump controller
  • J-400 series keypad
  • J-400 topside control panel
  • Jacuzzi 6600-379 topside

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

Install difficulty: Medium — Some experience neededTypically 30–60 minutes

What's in the box

  • 6600-379 topside control panel
  • Mounting hardware (if included by manufacturer)
  • Connecting ribbon cable or harness (verify with your existing setup)

If your order is missing any items listed above, contact hello@bubblessupply.com within 48 hours of delivery.

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.

AI Fitment Assistant

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

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