Balboa Duo Directional Jet Round Grill Eyeball Fitting [White] (36-3920EXT WHT)

Type:	Jets & Parts
Mfr	Balboa Water Group
Mfg Part #	36-3920EXT-WHT
Hzn Part #	55-470-4014

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TAGS: balboawater, jets, spaparts

Details

(DISCONTINUED BY MANUFACTURER)

SEE REPLACEMENT PART: OBSOLETE

Some jet parts do double duty by helping define both the look of the seat and the way the stream is directed. This Balboa Duo Directional Jet Round Grill Eyeball Fitting is designed for compatible applications where the original fitting has worn down and the jet no longer feels as complete or as visually polished as it should.

The round grill and eyeball fitting work together to frame the opening and support the directional function of the stream. When either side of that relationship starts to degrade, the seat can look unfinished and the jet can feel less precise. Replacing the fitting helps restore that balance more cleanly than trying to work around worn supporting pieces.

The white finish makes this a strong option for lighter spa interiors where maintaining a clean, integrated look is important. In visible jet areas, correct color matching helps the repair feel intentional.

Installed in the proper Duo setup, this fitting helps restore a cleaner-looking jet face and supports a more focused and better-finished seat experience.

Round grill eyeball fitting for compatible Duo directional jet assemblies
Helps restore both fit and directional stream support
White finish supports a cleaner, integrated seat appearance
Useful when original fittings are worn or unstable
Improves both visible trim quality and jet usability

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.