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3 HP Executive Spa Pump 2 Speed 230V 3721221-13 3.00HP 230V - Bubbles Supply

3 HP Executive Spa Pump 2 Speed 230V 3721221-13

Part #: 3721221-13

$759.50
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About this spa pump

This Waterway Executive 56 frame spa pump delivers reliable 3 HP performance at 230V for demanding spa circulation needs. The 2-speed design provides energy-efficient operation with dual amperage ratings of 10.0A high speed and 3.4A low speed, making it suitable for larger residential spas and commercial installations requiring robust water flow and filtration.

Built to Waterway's OEM specifications, this pump features the proven Executive series design trusted by spa manufacturers worldwide. At Bubbles Supply, we guarantee an exact fit for your spa system and offer same-day shipping on in-stock items, backed by our comprehensive 1-year warranty. Verify your existing pump's frame size, voltage, and horsepower rating before ordering to ensure proper compatibility with your spa's electrical and plumbing configuration.

Exact part number

3721221-13

Save this for ordering or warranty claims

Also known as / Replaces

This part replaces or is interchangeable with:

  • 3721221-13
  • Waterway 3HP 2-Speed Pump
  • Waterway Executive 56 Frame Pump

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

Technical specifications

Voltage
230V
Horsepower
3.0 HP
Frame size
56Y frame
Speed
Two-speed
Amperage
10.0A high speed / 3.4A low speed

Common symptoms this part fixes

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

  • Pump won't start or trips breaker immediately
  • Motor hums but impeller won't spin
  • Weak or no jet pressure at high speed
  • Pump only runs on one speed
  • Excessive noise or vibration during operation
  • Spa displays DR or FLO error due to insufficient flow

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

Before you buy — quick checklist

  • Confirm your existing pump is 230V — this pump is not dual voltage and will not run on 115V
  • Verify the frame size on your current pump label is 56Y — do not assume by physical size alone
  • Match the horsepower rating exactly; substituting a different HP can overload your spa's electrical circuit or underperform
  • Check your spa's plumbing union size and thread type before disconnecting the old pump
  • Confirm your spa controller supports a 2-speed pump — single-speed controllers cannot properly drive this motor
  • Note whether your existing pump is a circulation pump or main jet pump — this is a main jet pump only

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

Install difficulty: Medium — Some experience neededTypically 45-90 minutes

What's in the box

  • Waterway Executive pump assembly (motor + wet end)
  • Union tailpieces (verify inclusion with order)
  • Seal/O-ring kit

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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