【 Accessories 】 Balboa Water Group 5-175-0337 Sensor Component with Replacement Temperature and Upper Limit Sensors [Compatible]: OEM part numbers 30337 and 30337KIT. Compatible with Balboa systems that use such sensors. This sensor component has also replaced the 30288 sensor component [Performance]: Integrated temperature sensor and upper limit sensor. Temperature sensors can accurately measure the temperature of water, ensuring that hydrotherapy equipment operates within an appropriate temperature range; The upper limit sensor can monitor whether the water temperature exceeds the set safety upper limit. Once it exceeds the upper limit, the sensor will trigger corresponding protection mechanisms to prevent equipment overheating or other safety issues. 【 replaceability 】: It can replace sensor components of models such as 30337, 30337KIT, 30288, etc. This means that if your spa equipment previously used these models of sensors, it can be replaced with 25-175-0337, which has good compatibility and versatility. Scope of application: Suitable for spa equipment of Balboa system using this type of sensor, such as some specific models of spa bathtubs, hot spring pools, etc. If your spa equipment is Balboa brand and requires replacement of sensor components, then this 25-175-0337 is a worthwhile choice to consider. [Warranty Policy]: You can purchase with confidence, and we provide a 12-month warranty for your purchase. The Balboa Water Group 25-175-0337 sensor component is a reliable and compatible accessory for hydrotherapy equipment, providing assurance for the safe operation of hydrotherapy devices. When purchasing and using, it is recommended that you carefully confirm the model and requirements of the device to ensure the selection of suitable sensor components.