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56Y Frame 2-1/2" MBT x 2-1/2" MBT Wet End 310-0180 5.00HP - Bubbles Supply

56Y Frame 2-1/2" MBT x 2-1/2" MBT Wet End 310-0180

Part #: 310-0180

$101.30
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About this wet end

This genuine Waterway wet end assembly is designed for Waterway Viper main pumps with 56Y frame configurations, delivering reliable performance for your spa's circulation system. Built for 5.0HP applications, this OEM replacement features 2-1/2" MBT (male buttress thread) inlet and outlet connections, ensuring proper water flow and pressure throughout your spa.

At Bubbles Supply, we guarantee this wet end will fit your Waterway pump exactly as intended, backed by our comprehensive 1-year warranty and same-day shipping on in-stock items. The precision-engineered design maintains optimal hydraulic efficiency while providing the durability you expect from genuine Waterway components. Before installation, verify your pump's frame size and connection specifications match the 56Y frame and 2-1/2" MBT threading to ensure proper fit and performance.

Exact part number

310-0180

Save this for ordering or warranty claims

Also known as / Replaces

This part replaces or is interchangeable with:

  • 310-0180 pump housing
  • 56Y wet end
  • Waterway Viper wet end

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

Technical specifications

Horsepower
5.0 HP
Frame size
56Y
Port type
2-1/2" MBT inlet x 2-1/2" MBT outlet

Plumbing notes

  • Port type: 2-1/2" MBT inlet x 2-1/2" MBT outlet

Need help measuring? Email hello@bubblessupply.com with a photo of your existing plumbing.

Common symptoms this part fixes

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

  • Visible cracks or leaks at the pump housing
  • Low water flow or weak jet pressure
  • Impeller damage causing grinding or rattling noise
  • Water leaking from the pump volute
  • Pump shaft seal failure causing internal flooding

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

Before you buy — quick checklist

  • Confirm your existing pump is a Waterway Viper with a 56Y frame — check the pump label or existing part number
  • Verify your plumbing connections are 2-1/2" MBT (male buttress thread) — do not assume based on pipe OD alone
  • Confirm the motor you are mating this wet end to is a 56Y frame motor, not a 48 frame
  • Check whether the damage is isolated to the wet end only — if the motor is also failed, a full pump replacement may be more cost-effective
  • Inspect the shaft seal before reassembly — if the seal is worn, replace it at the same time to avoid a repeat teardown

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)
  • Impeller
  • Seal plate

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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