The 24" Temperature & Hi-Limit Sensor is a versatile and essential replacement component for Balboa spa control systems, ensuring accurate temperature monitoring and critical overheat protection. Designed to work with Balboa's M7 heater systems, this dual-purpose sensor functions as both a temperature and hi-limit sensor, helping maintain safe and consistent spa performance. Its 24” cord allows for flexible placement, while the standard 1/4" bulb and 2-pin connector make it compatible with a wide range of Balboa systems, including the VS, BP, and EL Series.