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5 HP Executive Spa Pump 2 Speed 230V 3722021-1D 5.00HP 230V - Bubbles Supply

5 HP Executive Spa Pump 2 Speed 230V 3722021-1D

Part #: 3722021-1D

$975.66
In stock — ships today
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1-year warrantySame-day ship before 3pm CTPerfect Fit Guarantee30-day returns

About this spa pump

This 5 HP Waterway Executive spa pump delivers powerful, reliable performance for larger hot tubs and swim spas requiring substantial water circulation. Built with Waterway's proven 56-frame design, this 2-speed pump operates on 230V power and draws 16.4/4.8 amps, making it an ideal replacement for worn or failed main circulation pumps in executive-class spa systems.

At Bubbles Supply, we guarantee this OEM Waterway pump (part #3722021-1D) provides an exact fit for your spa's plumbing configuration. Every Executive 56 pump ships the same day when ordered before 2 PM EST and includes our comprehensive 1-year warranty for complete peace of mind. Verify your existing pump's voltage, amperage, and mounting configuration before installation to ensure proper fit and optimal performance.

Exact part number

3722021-1D

Save this for ordering or warranty claims

Also known as / Replaces

This part replaces or is interchangeable with:

  • 3722021-1D
  • Executive 56 Frame Pump
  • WW Executive 5HP Pump

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

Technical specifications

Voltage
230V
Horsepower
5.0 HP
Frame size
56 frame
Speed
Two-speed
Amperage
16.4A/4.8A @ 230V

Common symptoms this part fixes

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

  • Pump won't start
  • Humming but no rotation
  • Low water flow
  • Pump runs but no pressure
  • Overheating and shutting down
  • Loud grinding or screeching noises

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

Before you buy — quick checklist

  • Verify your existing pump's voltage matches 230V
  • Confirm horsepower rating on old pump label
  • Measure plumbing union connections
  • Check available electrical amperage capacity
  • Verify pump mounting bracket compatibility
  • Ensure adequate clearance for 56 frame size

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

Install difficulty: Hard — Technician recommendedTypically 2-4 hours

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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