Jandy Thermal Regulator Valve

If your pool or spa heater is struggling to maintain a consistent temperature or if you notice the heater cycling on and off erratically, the thermal regulator valve may be failing. It is a common wear item that directly impacts the heater's ability to regulate water flow and temperature effectively.

No, this specific part (R0589701) is engineered exclusively for the JXi, JXiQ, and JXiQ ASME heater series. It is not compatible with older Jandy heater models, so please verify your specific heater model number before purchasing.

While it is a direct-fit replacement designed for seamless integration, installing internal heater components requires working with plumbing and electrical systems. If you are not comfortable with pool heater maintenance, we recommend hiring a professional to ensure the valve is seated correctly and the system is properly sealed.

This thermal regulator valve is specifically designed for in-ground pool and spa heater systems. It is not intended for use with above-ground pool heaters.

Yes, this is a genuine Jandy replacement component. Using original manufacturer parts ensures the valve meets the exact specifications and material standards required for your JXi series heater's performance and safety.