Balboa Hydro Jet Wall Fitting [2-3/8" HS] [Gray] (30-3801GRY)

Type:	Jets & Parts
Mfr	Balboa Water Group
Mfg Part #	30-3801GRY
Hzn Part #	55-470-1703
Replaces:	10-3801GRY, 388922
Hole Size:	2-3/8"
Works With:	Balboa Hydro Jet Series
Color:	Gray

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TAGS: balboawater, jets, spaparts

Details

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SEE REPLACEMENT PART: OBSOLETE

A wall fitting provides the structural base that lets a jet assembly sit correctly and perform the way it was intended, and this Balboa Hydro Jet Wall Fitting is designed for compatible 2-3/8 inch hole-size applications where the original fitting has become worn or unreliable. When the wall fitting begins to fail, the whole jet position can feel less secure even if other visible parts have already been replaced.

The 2-3/8 inch size matters because fit at the shell opening is a big part of how well the assembly comes together. A wall fitting that matches correctly helps preserve the original relationship between the shell, the jet body, and the trim around it. That is what gives the finished repair a stronger and more confidence-inspiring feel.

The gray finish keeps the visible edge of the fitting understated and helps it blend with many spa interiors. That makes it a strong choice for owners who want the repair to improve the seat without calling unnecessary attention to the replaced part.

Installed in the right Hydro jet setup, this fitting helps restore structural confidence and supports a cleaner, more complete seat repair overall.

Wall fitting for compatible Hydro jet 2-3/8 inch applications
Gray finish supports a subtle and cohesive appearance
Helps restore the structural base of the jet position
Useful when original wall fittings are worn or unstable
Improves assembly fit and repair confidence

Balboa Water Group – Spa Systems, Pumps, Heaters & Control Components

Who is Balboa Water Group?

Balboa Water Group is the world’s largest manufacturer of spa systems, components, and control technology, producing an estimated 70% of all hot tub systems globally. With decades of industry leadership, Balboa is the driving force behind many of the pumps, heaters, control packs, and circuit boards used by top spa brands. Known for innovation, reliability, and engineering excellence, Balboa has become the standard for spa system performance worldwide.

What products does Balboa Water Group specialize in?

Balboa specializes in complete spa system solutions, including control systems, topside panels, circuit boards, heaters, pumps, sensors, jets, and accessories. Their systems are designed to seamlessly integrate temperature control, water flow, filtration, and lighting. Balboa products are widely used in both new spa manufacturing and replacement parts, making them one of the most commonly sourced brands for hot tub repair and upgrades.

Why choose Balboa Water Group parts for your pool or spa?

Balboa parts are trusted for their compatibility, durability, and consistent performance across a wide range of spa systems. Because Balboa components are used in the majority of hot tubs on the market, finding compatible replacement parts is easier and more reliable. Their advanced control technology allows precise management of temperature, jet functions, and energy usage, helping extend equipment life while improving the overall spa experience.

How do you identify and choose the correct Balboa Water Group part?

To select the correct Balboa part, it’s important to match your existing system’s model number, circuit board type, heater configuration, and topside control compatibility. Checking labels on control packs and referencing wiring diagrams or product manuals ensures proper fit and function. Choosing the correct Balboa component helps maintain system efficiency, prevents compatibility issues, and ensures safe operation.

Need help finding the right Balboa Water Group part?

At Bath & Spa Parts Online, we carry a wide selection of Balboa Water Group pool, spa, and bath parts ready to ship. Can’t find what you need? Contact our Product Specialists at 800-918-9143, use the live chat, or visit our Contact Us page. For installation guides, part diagrams, and troubleshooting resources, visit the Bath & Spa Parts Online Knowledge Base for expert support.