Balboa M7 15" 5.5 kW Spa Heater Assembly No Stud [2" x 2"] (55629) (G7415)

Heaters
Balboa Water Group
55629
46-138-1340
COMPARE AT $194.99
OUR PRICE $149.49
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Under 25 lbs. Contiguous USA
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Some heater replacements are all about getting the exact connection style and installation details right, and this Balboa M7 15 inch 5.5 kW Spa Heater Assembly is designed for compatible 2 inch by 2 inch applications that require a no-stud configuration. When the original heater has reached the point where it can no longer keep up, a correctly matched replacement helps the spa feel dependable again without unnecessary installation complications.

The no-stud design is especially useful in setups where the system does not require the additional mounting detail found on other versions. That kind of application-specific fit matters because a heater should install the way the spa expects it to, not leave the installer working around features that do not belong there.

The 5.5 kW output supports stronger heating demand, while the M7 platform keeps the assembly aligned with the style of heater many compatible Balboa systems originally used. Together, those details help make the replacement feel much more precise and service-worthy.

Installed in the proper M7 setup, this heater helps restore stronger water heating and supports a cleaner, more accurate fit in the equipment area.

  • No-stud heater assembly for compatible Balboa M7 spa applications
  • 2 inch by 2 inch format supports intended plumbing connection
  • 5.5 kW output helps restore stronger heat performance
  • Useful when the application requires a no-stud installation style
  • Improves heating confidence and fit accuracy
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.

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