NEO 1500 5.5 KW System 777-WW00150

Name: NEO 1500 5.5 KW System 777-WW00150
Brand: Waterway
SKU: 777-WW00150
Price: 1357.97 USD
Availability: InStock

Part #: 777-WW00150

$1357.97

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

About this hardware/other

The NEO 1500 5.5 KW System from Waterway delivers reliable heating performance for residential spas and hot tubs. This complete heater system features a powerful 5.5 kilowatt heating element designed to maintain optimal water temperature efficiently. Built with Waterway's proven engineering, this heater system provides consistent performance and long-lasting durability for your spa maintenance needs.

At Bubbles Supply, we guarantee an exact fit for your spa with our authentic Waterway replacement parts. Every NEO 1500 system ships the same day you order and includes our comprehensive 1-year warranty for complete peace of mind. This OEM-quality heater system ensures your spa operates at peak performance with professional-grade reliability. Verify your existing heater's specifications and voltage requirements before installation to ensure proper compatibility with your spa's electrical system.

Exact part number

777-WW00150

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Also known as / Replaces

This part replaces or is interchangeable with:

777-WW00150 heater
NEO 1500 heater system
Waterway 5.5 KW heater

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

Common symptoms this part fixes

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

Spa water not heating or staying at set temperature
Heater throwing HH (high heat) fault code
Heater throwing OH (overheat) fault code
Spa control displays heater error and shuts down
Inconsistent water temperature during operation
Complete heater failure with no heat output

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

Before you buy — quick checklist

Confirm your spa's electrical system supports the 5.5 KW draw before ordering
Verify the voltage requirements of your existing heater match this unit
Check that the NEO 1500 form factor is compatible with your heater compartment — do not assume all Waterway heaters share the same footprint
Confirm plumbing connection sizes match your existing manifold before disconnecting anything
Take a photo of your current heater's label and compare specs before purchasing

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

Hard — Technician recommendedTypically 60-120 minutes

Warranty

1 year 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.