Balboa Drain Plug [Pentair/Sta-Rite] (U78-920P)

Type:	Fittings & Valves: Plugs
Mfr	Balboa Water Group
Mfg Part #	U78-920P
Hzn Part #	35-102-1184

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TAGS: balboawater, plugs, spapumps

Details

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SEE REPLACEMENT PART: OBSOLETE

A drain plug is one of those basic service parts that becomes very important the moment it is missing, stripped, or no longer sealing the way it should. This Balboa drain plug is designed for compatible Pentair and Sta-Rite applications where restoring a secure closure point is the simplest and smartest way to keep the system serviceable and dependable.

Small parts like this matter because they affect whether routine maintenance feels clean and controlled or frustrating and uncertain. A worn or mismatched drain plug can complicate servicing and make the whole setup feel less trustworthy than it should.

Because it is meant for specific Pentair and Sta-Rite compatibility, this part offers a cleaner replacement path than a generic plug that only partly fits. Correct fit is what gives the repair confidence and helps the service point function the way it was designed to.

Installed in the proper application, this drain plug helps restore a more secure and more dependable service closure, making routine upkeep easier and the overall system feel better maintained.

Drain plug for compatible Pentair and Sta-Rite applications
Helps restore a secure closure at the service point
Useful when original plugs are stripped, worn, or missing
Supports cleaner maintenance and more dependable sealing
Improves confidence in routine service and upkeep

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.