Part 6540‑755 is the OEM SMT Turbo Directional jetface used in Sundance® 780‑Series spas beginning in 2007+. It features a 4¼″ stainless‑steel escutcheon with a gray directional jet core. This SMT Turbo jet delivers a high‑flow, deep‑tissue directional massage, making it a primary therapy jet in many 780‑Series therapy seats.
This SMT Turbo jetface is used anywhere a 4¼″ Turbo directional SMT jet is called for in the therapy seating.
The SMT Turbo Directional jet is engineered to deliver:
This makes it ideal for customers seeking deep muscle relief, particularly in mid‑back, lumbar, and hip therapy stations.
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Hot tub jets are wear-and-tear components that experience thousands of hours of water flow, pressure, chemical exposure, and temperature fluctuations. Over time, jets may become clogged, cracked, loose, faded, fail to rotate properly, or lose pressure.
Common signs you need replacement jets include:
Replacing worn jets restores the hydrotherapy performance your Sundance spa was designed to deliver
Jets are responsible for creating the massage therapy experience in your hot tub. They combine water flow and air to target muscles, promote circulation, relieve tension, and enhance relaxation.
Sundance® Fluidix® jets are engineered to provide various massage styles including:
Unlike traditional spa jets, many Sundance Fluidix® jets are designed without bearings, reducing wear and increasing durability.
This is our most frequently asked question.
Many Sundance jets look nearly identical but are often model-year specific. The easiest way to identify the correct replacement is to gather:
If you're unsure, simply send us a few photos of your spa and the jet you need to replace. Our team can help identify the correct Sundance Genuine Part before you order.
Don't guess. Ordering the wrong jet can lead to fitment issues and unnecessary returns.
In most cases, yes.
Many Sundance jet inserts are designed to be removed and replaced from inside the spa without specialized tools.
Typical replacement steps:
Most homeowners can replace a jet in just a few minutes.
We strongly recommend Genuine Sundance® replacement jets whenever possible.
Benefits include:
While some aftermarket jets may appear similar, even small differences can affect performance, water pressure, fit, and longevity. Genuine Sundance parts help ensure your spa continues to operate as designed.
A leaking jet should be addressed promptly.
Common causes include:
Ignoring a jet leak can lead to:
If you notice water loss or moisture near a jet, contact us for troubleshooting assistance. We can help determine whether you need a jet insert, gasket, or complete jet body replacement.
A jet that isn't performing properly doesn't always need replacement, but it often indicates wear or blockage.
Common causes include:
If cleaning the jet doesn't restore performance, replacing the jet insert is typically the fastest and most cost-effective solution. Many owners are surprised how dramatically a new genuine Sundance jet can improve water flow and massage quality.
Absolutely.
Because Sundance has used many jet styles across different series and model years, identifying the correct replacement can sometimes be challenging.
To make things easy:
✅ Send us your spa model and year
✅ Email us photos of the jet
✅ Include a measurement of the jet face if possible
Our experienced parts team will help identify the correct Genuine Sundance Replacement Jet and ensure you receive the right part the first time.
Not sure which jet you need? Contact us before ordering. We're happy to help identify the correct replacement and keep your Sundance spa performing like new.
Restore your Sundance spa's original hydrotherapy experience with genuine replacement jets designed specifically for your model.
