Balboa StaRite/Pentair Carbon/Buna Seal Shaft (37400-0027S)

Type:	Pump Parts
Mfr	Balboa Water Group
Mfg Part #	37400-0027S
Hzn Part #	35-102-1406

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TAGS: balboawater, bathpumps, pumpparts

Details

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SEE REPLACEMENT PART: OBSOLETE

A seal-shaft component is a key part of a dependable pump sealing arrangement, and this Balboa StaRite and Pentair Carbon Buna Seal Shaft is designed for compatible pump applications where the original sealing component has worn out or no longer supports the pump the way it should. When pump sealing begins to decline, the right internal replacement helps restore confidence without forcing a broader rebuild than necessary.

The StaRite and Pentair compatibility gives this part practical value across related pump applications, while the Carbon and Buna seal materials help define the intended sealing relationship it was built to support. In pump service work, that kind of correct material and fit combination matters because sealing parts need to match the original design closely.

Focused replacements like this are especially useful when the larger pump assembly is still serviceable and the goal is to restore the part of the seal system that has actually reached the end of its life. That keeps the repair efficient while improving the overall quality of the result.

Installed in the proper pump setup, this seal component helps restore cleaner sealing performance and supports a more dependable pump repair overall.

Seal-shaft component for compatible StaRite and Pentair pump applications
Carbon and Buna materials support intended sealing design
Helps restore pump sealing confidence
Useful when original seal components are worn or compromised
Improves repair quality and pump reliability

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.