Understanding Your Hot Tub Circuit Board
This is a  simple guide to understanding how to properly identify your spa control system circuit board, at least enough to properly identify eithe...
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| Circuit Boards | |
| Jacuzzi / Sundance | |
| 6600-551 |
This is a  simple guide to understanding how to properly identify your spa control system circuit board, at least enough to properly identify eithe...
Read Article
The spa circuit board is one of the most important parts inside your hot tub control system. It sends power to the heater,...
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When a hot tub stops heating, it can be difficult to know which part is actually causing the problem. The heater may seem ...
Read ArticleSundance Spas Temperature Sensor, After 02/2022 (6600-551) is a replacement part designed for compatible Jacuzzi / Sundance spa and hot tub applications. It is used to support accurate temperature monitoring and control communication in compatible spa systems when the original component is worn, cracked, faded, leaking, missing, or no longer operating as expected.
Sensor replacements should be matched by connector type, lead length, model series, and production date whenever that information is available. Always compare the existing component, model details, connection style, color, size, and part number 6600-551 before ordering.
Jacuzzi / Sundance – Hot Tubs, Spa Systems and Replacement Parts |
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Who is Jacuzzi / Sundance?
Jacuzzi / Sundance is a premium manufacturer of hot tubs and hydrotherapy systems, known for innovation, comfort, and performance. Sundance Spas was founded in 1979 and has a long-standing relationship with Jacuzzi Whirlpool Bath, bringing together decades of experience in hydrotherapy, spa engineering, product development, and manufacturing. Together, the Jacuzzi / Sundance product family has built a strong reputation for delivering high-quality spas designed for relaxation, wellness, and long-term reliability. What products does Jacuzzi / Sundance specialize in?Jacuzzi / Sundance specializes in hot tubs, hydrotherapy systems, jets, control systems, pumps, heaters, plumbing components, and replacement parts. Their product lineup includes advanced hydrotherapy technologies, energy-efficient circulation systems, and user-friendly controls developed through decades of Jacuzzi and Sundance spa engineering. Jacuzzi / Sundance replacement parts support ongoing maintenance, repair, and system performance across a wide range of spa models. Why choose Jacuzzi / Sundance parts for your pool or spa?Jacuzzi / Sundance products are known for superior hydrotherapy performance, durability, and energy efficiency. Their systems benefit from decades of combined experience in hydrotherapy, water movement, spa engineering, and component design. Spa owners and professionals choose Jacuzzi / Sundance replacement parts to help maintain proper fit, reliable operation, consistent water temperature, and long-term spa performance. How do you identify and choose the correct Jacuzzi / Sundance part?To select the correct Jacuzzi / Sundance component, it’s important to match your spa model, year, original part number, and system specifications, including jets, pumps, heaters, control systems, valves, and plumbing components. Because Jacuzzi and Sundance have a long history of shared engineering and product development, some components may appear similar while having different specifications or applications. Reviewing part diagrams, replacement information, and compatibility ensures proper fit and function. Need help finding the right Jacuzzi / Sundance part?At Bath & Spa Parts Online, we carry a wide selection of Jacuzzi / Sundance 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. |