Spa Components 4.0 kW [15" x 2"] FloThru Spa Heater [Balboa Water] (B24040N)

Heaters
Spa Components
B24040N
26-0535-5S-K, 26-0535-SS-KP01, 26-0809-5S-K, 26-0809-5T-K, 390408, 48-3300-10-435H, 50067, 50081, 50142, 58029, 58084, 58111, B24040LB, B24040T5T, BAL-851-1048, BAL50081, BB50081, BB58009, C2400-0535, C2400-0809, C2400-2839-2
15"
Spa Components
240v
4.0kW
2"
COMPARE AT $179.99
OUR PRICE $137.99
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Under 25 lbs. Contiguous USA
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Helpful Heater Articles

The Balboa Generic 4.0 kW [15" x 2"] FloThru Spa Heater (B24040N) is engineered with a clear focus on replacement reliability, making it a targeted solution rather than a generic replacement component. In spa systems, heaters are not interchangeable without consequence—matching output, flow characteristics, and system communication is essential to achieving consistent performance. This model is built to align with those exact requirements.

In real-world usage, this heater addresses one of the most common service challenges: restoring proper heat delivery without introducing new inefficiencies. Whether the issue is slow heat-up times, inconsistent temperature retention, or system faults caused by mismatched components, this unit is designed to correct those problems at the source. Its calibrated heating element ensures predictable output, allowing the system to maintain temperature without excessive cycling.

Another key advantage lies in how this heater interacts with the broader system. From electrical load handling to water flow integration, every aspect is designed to work in harmony with compatible spa packs and plumbing configurations. This reduces strain on pumps, prevents unnecessary shutdowns, and supports long-term system stability.

Technicians will appreciate the straightforward installation and dependable fitment. The design minimizes guesswork, allowing for faster replacements and fewer callbacks. Once installed, the heater operates with consistent performance, helping maintain optimal water conditions regardless of usage patterns.

For spa owners, the benefit is immediate and noticeable—more reliable heating, improved comfort, and fewer interruptions.

  • Purpose-built design focused on replacement reliability
  • Stable and consistent heat output across operating conditions
  • Engineered for compatibility with specific spa system configurations
  • Reduces system strain by aligning with proper electrical and flow requirements
  • Supports efficient installation and long-term operational reliability
Spa Components – Spa Pumps, Heaters, Jets, Controls and Replacement Parts
Who is Spa Components?

Spa Components is a supplier of spa and hot tub equipment and replacement parts, offering a wide range of components used in both residential and commercial spa systems. Known for practical, reliable solutions, Spa Components supports spa maintenance, repair, and system upgrades.

What products does Spa Components specialize in?

Spa Components specializes in spa pumps, heaters, control systems, jets, lighting, and replacement parts. Their product lineup includes essential components used to maintain water circulation, temperature control, and overall spa functionality. These parts are commonly used for both repairs and new installations.

Why choose Spa Components parts for your pool or spa?

Spa Components products are known for compatibility, reliability, and ease of use. Their components are designed to integrate with a variety of spa systems, making them a flexible option for maintenance and upgrades. Spa owners and professionals choose Spa Components for dependable parts that help restore performance and extend equipment life.

How do you identify and choose the correct Spa Components part?

To select the correct Spa Components product, it’s important to match specifications such as voltage, size, connection type, and system compatibility. Reviewing existing equipment models and part numbers ensures proper fit and function. Choosing the right component helps maintain efficient and safe spa operation.

Need help finding the right Spa Components part?

At Bath & Spa Parts Online, we carry a wide selection of Spa Components 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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