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Transformer P0751-DA-20-12T - Bubbles Supply

Transformer P0751-DA-20-12T

Part #: P0751-DA-20-12T

$42.44
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1-year warrantySame-day ship before 3pm CTPerfect Fit Guarantee30-day returns

About this transformer

The O'Ryan Transformer P0751-DA-20-12T is a genuine OEM lighting transformer designed for spa and hot tub lighting systems. This 115V to 12V step-down transformer delivers 2 amp output capacity, providing safe low-voltage power to underwater LED lights and other spa lighting components. Built to O'Ryan's original specifications, this transformer ensures reliable performance and proper voltage regulation for your spa's lighting circuit.

At Bubbles Supply, we guarantee this transformer will be an exact fit for your O'Ryan lighting system, backed by our comprehensive 1-year warranty and same-day shipping on in-stock orders. The compact design allows for easy installation in most spa equipment compartments. Always verify your existing transformer's part number and electrical specifications before installation, and ensure power is disconnected during replacement to maintain safe working conditions.

Exact part number

P0751-DA-20-12T

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Also known as / Replaces

This part replaces or is interchangeable with:

  • low-voltage spa light transformer
  • O'Ryan 20VA 12V transformer
  • spa lighting step-down transformer

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

Technical specifications

Voltage
115V input / 12V output
Amperage
2A output

Common symptoms this part fixes

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

  • Spa lights completely dead with no output
  • Lights flickering or dimming intermittently
  • Low-voltage lighting circuit tripping GFCI repeatedly
  • Burned or overheating transformer housing
  • Lights glowing at reduced brightness due to voltage drop

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

Before you buy β€” quick checklist

  • Confirm your existing transformer's part number matches P0751-DA-20-12T exactly before ordering
  • Verify your spa's lighting circuit runs on 115V primary input β€” not 230V
  • Check that your total lighting load does not exceed 2 amps (24 watts) at 12V
  • Inspect secondary wiring connections for corrosion or heat damage before installing new unit
  • Ensure power to the spa is fully disconnected at the breaker before removal or installation

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

Install difficulty: Medium β€” Some experience neededTypically 30–60 minutes

What's in the box

  • O'Ryan transformer P0751-DA-20-12T
  • Mounting hardware (if applicable)

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 β†’

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 β€” 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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