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Auxiliary Rectangle Keypad 51574-01 - Bubbles Supply

Auxiliary Rectangle Keypad 51574-01

Part #: 51574-01

$357.53
In stock — ships today
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About this topside/keypad

The Balboa Auxiliary Rectangle Keypad 51574-01 is a 4-button spaside control designed for Balboa spa systems requiring auxiliary control functions. This OEM replacement keypad features a compact rectangular design without a digital readout, making it ideal for secondary control locations or simplified spa operation. The 4-button configuration provides essential spa functions while maintaining the clean, streamlined appearance that complements your spa's aesthetic.

Built to Balboa's exacting OEM specifications, this auxiliary keypad delivers reliable performance with our exact fit guarantee. We ship same-day from our Canadian warehouse and back every control pack with a full 1-year warranty for complete peace of mind. Professional installation is recommended to ensure proper wiring connections and system integration with your existing Balboa control system.

Exact part number

51574-01

Save this for ordering or warranty claims

Also known as / Replaces

This part replaces or is interchangeable with:

  • 4-button rectangle keypad
  • Balboa auxiliary topside control
  • Balboa spaside auxiliary panel

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:

  • Buttons not responding at auxiliary control location
  • Cracked or physically damaged keypad face
  • Intermittent button response on secondary control panel
  • Auxiliary panel showing no function while main panel works
  • Water intrusion behind keypad causing erratic behavior

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

Before you buy — quick checklist

  • Confirm your existing auxiliary keypad is the rectangle (not round or oval) form factor
  • Verify your Balboa control pack supports an auxiliary spaside connection
  • Check the connector type on your existing keypad cable before ordering — connector styles vary
  • Confirm this is the auxiliary panel (no display/readout) and not your primary topside control
  • Match the number of buttons — this is a 4-button unit

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

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

What's in the box

  • Auxiliary rectangle keypad (51574-01)
  • Connecting cable (verify inclusion at time of order)
  • Mounting hardware

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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