Balboa 26-0809-7S-KSP Heater Assembly System, 240V, 5.5kW

Description

Balboa 26-0809-7S-KSP Heater Assembly System, 240V, 5.5kW

The Balboa 26-0809-7S-KSP Heater Assembly System is a high-performance replacement heater designed specifically for use in spa and hot tub applications that require reliable, efficient, and durable thermal performance. Operating at 240 V and delivering up to 5.5 kW of heating power, this heater assembly is engineered to provide rapid water heating for medium to large capacity spas, creating enjoyable and consistent hot water temperatures with minimal lag time. Its robust design and premium materials make it a component spa owners and service professionals trust for both new installations and maintenance upgrades.

At the heart of this heater assembly is a high-capacity heating element capable of converting electrical energy into heat efficiently and consistently. The 5.5 kW rating indicates that the heater can deliver 5,500 watts of heat energy, which is ideal for larger volumes of water found in many residential and commercial spa environments. The use of a 240 V electrical supply not only enables this high wattage but also improves energy transfer efficiency — especially when compared to lower voltage alternatives — meaning faster heat-up times and improved performance during frequent spa usage cycles.

Physically, this heater is built around a stainless steel tube manifold that is resistant to corrosion and the aggressive chemical environments common to spa water systems. This structural material choice is critical because spa heaters are submerged in a circulating water loop that may contain sanitizers, oxidizers, and fluctuating pH levels — all of which can accelerate corrosion in lesser-grade materials. The stainless steel housing, therefore, not only enhances the heater’s longevity but also maintains safe operation over extended service life.

This heater assembly also includes integrated sensor provisions — notably a temperature sensor mount — that works with compatible Balboa control systems (such as Balboa Value or Balboa LE series) to finely regulate water temperature. By precisely monitoring temperature feedback, the control system can reliably turn the heater element on and off to maintain target setpoints, reduce energy waste, and avoid overheating. The sensor port can accept the included sensor or aftermarket replacements, giving technicians flexibility when servicing older spa packs.

The flow-through design of the Balboa heater — often referred to as a Flo-Thru design — ensures that water continuously passes through the heater tube and across the heating element, creating efficient heat transfer and minimizing stagnation. This design mitigates the risk of hot spots and helps maintain uniform water temperature throughout the circulation loop. It also improves heating efficiency because water is continually in motion rather than intermittently contacting the heating surface.

Installation of the 26-0809-7S-KSP model is made easier thanks to included hardware like split nuts, heater tailpieces, and gaskets compatible with standard spa plumbing fittings. These components are essential for creating a secure, leak-free connection between the heater and the spa’s PVC plumbing. Depending on the spa plumbing size (1½″ vs. 2″), adapter reducers can be used to ensure proper fitment without compromising flow or performance.

Although this unit does not include a pressure switch as part of the base assembly, it is pre-tapped for pressure and sensor connections if your spa system requires external switches for safety interlocks or diagnostic integration. A pressure switch — when installed — helps ensure that heating only occurs when there is sufficient water flow through the heater, protecting the element from dry-fire and premature failure.

At the core of Balboa Water Group, is a fundamental commitment to the leisure water industry to provide a simple, comprehensive, single source solution to their product range that include the highest quality products in electronic control systems, jets, pumps, white goods and accessories.

Balboa 26-0809-7S-KSP Heater Assembly System, 240V, 5.5kW Features:

• Durable and corrosion-resistant housing suitable for harsh spa conditions
• Sensor and element replacements available for long-term maintenance
• Compatible with several OEM Balboa and Jacuzzi heater assemblies
• Works with spa control systems for precise temperature regulation
• Comes with split nuts, tailpieces, and gaskets for secure plumbing
• 5.5 kW heating capacity for rapid and efficient water heating
• Designed for standard high-efficiency spa electrical systems
• Ensures continuous water flow and optimal heat transfer

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