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OC850R1A Circuit Board ELE09100330 - Bubbles Supply

OC850R1A Circuit Board ELE09100330

Part #: ELE09100330

$1049.17
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1-year warrantySame-day ship before 3pm CTPerfect Fit Guarantee30-day returns

About this circuit board

The OC850R1A Circuit Board (ELE09100330) is a genuine OEM control board designed for Cal Spas hot tubs and swim spas. This essential control pack component manages your spa's core functions including heating, filtration cycles, and pump operations. When your existing circuit board fails, this exact replacement ensures your Cal Spa returns to reliable operation with factory-specified performance.

At Bubbles Supply, we guarantee this OC850R1A board will fit your Cal Spa perfectly – no guesswork, no compatibility issues. Every circuit board ships the same day you order and includes our comprehensive 1-year warranty for complete peace of mind. Our technical team verifies each board's specifications to match OEM standards exactly, ensuring long-lasting reliability. Always verify your current board's part number matches OC850R1A before installation, and consider having a qualified spa technician handle the replacement to protect both the board and your spa's warranty.

Exact part number

ELE09100330

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Also known as / Replaces

This part replaces or is interchangeable with:

  • Cal Spas OC850R1A control board
  • ELE09100330
  • OC850R1A

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 is completely unresponsive — no display, no pumps, no heat
  • Heater runs continuously or fails to reach set temperature
  • Pump cycles won't initiate or run at wrong times
  • Error codes on topside panel that persist after reset
  • Filtration cycle not running on schedule
  • Spa functions intermittently or behaves erratically

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 OC850R1A before ordering — do not rely on visual match alone
  • photograph all wiring harness connections before disconnecting anything
  • Verify your spa's serial number and model with Cal Spas documentation to confirm this board is the correct revision
  • Check whether your spa is still under manufacturer warranty — installing a replacement board yourself may affect coverage
  • Inspect the control box for signs of water intrusion or corrosion that may have caused the original board failure, and address root cause before installing the new board

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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