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56Y Frame 2" MBT x 2" MBT Wet End 310-1730 3.00HP - Bubbles Supply

56Y Frame 2" MBT x 2" MBT Wet End 310-1730

Part #: 310-1730

$227.65
In stock — ships today
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1-year warrantySame-day ship before 3pm CTPerfect Fit Guarantee30-day returns

About this wet end

This Waterway Executive 56Y frame wet end delivers reliable performance for 3.0HP spa pumps requiring 2" MBT threaded connections. Designed for hot tubs and spas using Waterway Executive series pumps, this OEM replacement wet end maintains proper water flow and pressure throughout your spa's circulation system.

Built to exact Waterway specifications, this 56Y frame wet end ensures seamless compatibility with your existing pump motor. At Bubbles Supply, we guarantee an exact fit, offer same-day shipping on in-stock items, and back every part with our comprehensive 1-year warranty. The 2" MBT (male buttress thread) inlet and outlet connections provide secure, leak-free installation. Verify your current wet end's frame size and thread specifications before ordering to ensure proper fitment with your spa's plumbing configuration.

Exact part number

310-1730

Save this for ordering or warranty claims

Also known as / Replaces

This part replaces or is interchangeable with:

  • 2-inch MBT wet end
  • 310-1730 pump housing
  • 56Y wet end
  • Waterway Executive wet end

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

Technical specifications

Horsepower
3.0 HP
Frame size
56Y

Common symptoms this part fixes

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

  • Pump leaking from housing or volute
  • Cracked or broken wet end casing
  • Low water flow due to damaged impeller housing
  • Visible damage to inlet or outlet ports
  • Stripped or leaking MBT threaded connections

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

Before you buy — quick checklist

  • Confirm your existing pump is a Waterway Executive 56Y frame — check the motor label for frame designation
  • Verify inlet and outlet connections are 2-inch MBT (male buttress thread) — do not assume based on pipe size alone
  • Confirm your pump is rated at 3.0 HP before ordering
  • Inspect the existing impeller — this wet end ships without an impeller, so the old one must be reused or replaced separately
  • Check that the motor shaft seal and o-rings are in good condition before reassembly, as those are not included

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

  • Wet end housing (volute)
  • Face plate/diffuser
  • 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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