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1.5HP 1-1/2" SL x 4-3/16" OD Impeller 310-2330 1.50HP - Bubbles Supply

1.5HP 1-1/2" SL x 4-3/16" OD Impeller 310-2330

Part #: 310-2330

$45.87
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1-year warrantySame-day ship before 3pm CTPerfect Fit Guarantee30-day returns

About this impeller

This Waterway EX2 replacement impeller delivers reliable 1.5HP pump performance for your spa circulation system. Engineered with precise 1-1/2" suction line connection and 4-3/16" outer diameter, this OEM-quality part restores optimal water flow and pressure in Waterway pump assemblies.

Built to Waterway's exacting specifications, this impeller features durable construction that withstands continuous operation and chemical exposure. At Bubbles Supply, we guarantee an exact fit for your pump model and back every part with our comprehensive 1-year warranty. Your order ships same day when placed by 2 PM EST, getting your spa back to peak performance fast. Always verify impeller dimensions and horsepower rating against your existing pump specifications before installation to ensure proper compatibility and optimal performance.

Exact part number

310-2330

Save this for ordering or warranty claims

Also known as / Replaces

This part replaces or is interchangeable with:

  • 1.5HP spa pump impeller
  • Waterway EX2 impeller
  • Waterway pump impeller 310-2330

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

Technical specifications

Horsepower
1.5 HP

Common symptoms this part fixes

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

  • Weak or reduced water flow from jets
  • Pump runs but no water movement
  • Spinning noise with no pressure buildup
  • Impeller visibly cracked, chipped, or eroded
  • Pump cavitating under normal load

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

Before you buy — quick checklist

  • Confirm your existing pump is a Waterway EX2 series before ordering
  • Verify the impeller OD on your current part — must measure 4-3/16" across
  • Confirm suction fitting is 1-1/2" SL (slip) not threaded
  • Match the horsepower rating on your pump motor label to 1.5HP
  • Inspect the shaft seal and wear ring while the pump is open — replace if worn

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

Install difficulty: Medium — Some experience neededTypically 45-90 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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