The 24" Generic Temperature & Hi-Limit Sensor is a dual-purpose replacement sensor designed for Balboa spa systems, offering both temperature monitoring and overheat protection. Engineered to fit Balboa M7 heater systems, this sensor is an ideal replacement for various OEM models, providing a cost-effective and reliable solution for spa maintenance. Its 24” cable and ¼” bulb diameter ensure flexible installation, while the durable construction delivers long-lasting performance in harsh spa environments. Whether you're maintaining an EL, VS, or BP series system, this sensor ensures consistent and safe spa operation.