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IN.YJ-3 K336 Bundle 0612-300012 - Bubbles Supply

IN.YJ-3 K336 Bundle 0612-300012

Part #: 0612-300012

$557.09
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1-year warrantySame-day ship before 3pm CTPerfect Fit Guarantee30-day returns

About this hardware/other

The IN.YJ-3 K336 Bundle 0612-300012 is a complete Gecko Alliance heater assembly designed for compatible spa systems. This OEM bundle includes the IN.YJ-3 heater element paired with IN.K336 IT3 control cables, providing everything needed for a professional heater repair or replacement in spas experiencing heating issues.

As an authorized Gecko Alliance dealer, we guarantee this genuine OEM bundle delivers exact fitment and reliable performance. Your order ships same-day from our Canadian warehouse and includes our comprehensive 1-year warranty for complete peace of mind. The bundle format eliminates compatibility guesswork between heater and control components. Verify your existing heater part numbers against this bundle specification before ordering, and consult your spa's wiring diagram during installation to ensure proper electrical connections.

Exact part number

0612-300012

Save this for ordering or warranty claims

Also known as / Replaces

This part replaces or is interchangeable with:

  • Gecko heater bundle with IT3 control harness
  • Gecko IN.YJ-3 with K336 cables
  • IN.YJ-3 heater assembly

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

Common symptoms this part fixes

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

  • Spa not heating
  • OH (overheat) fault code on topside display
  • HH (heater high-limit) fault code on topside display
  • Heater element failure confirmed on diagnostics
  • Spa reaches setpoint temperature slowly or not at all
  • Control cables between heater and pack showing damage or corrosion

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

Before you buy — quick checklist

  • Confirm your existing heater is an IN.YJ-3 unit — check the label on the heater tube or your spa's wiring diagram
  • Verify your spa uses the IN.K336 IT3 control cable interface before ordering this bundle
  • Check whether your system requires just the heater element or the full bundle including control cables
  • Match your existing part number against bundle SKU 0612-300012 before purchasing
  • Inspect the full heater assembly for corrosion or water damage that may indicate a broader system issue
  • Consult your spa's wiring diagram before disconnecting any control cables

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

Install difficulty: Hard — Technician recommendedTypically 60-120 minutes

What's in the box

  • IN.YJ-3 heater element assembly
  • IN.K336 IT3 control cables

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.

Customer reviews

AI Fitment Assistant

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

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