System Sensor 5623 - Fixed Temperature Heat Detector 135°F

The System Sensor 5623 is a fixed temperature heat detector designed for reliable fire detection with a factory-set activation point of 135°F (57°C). Featuring a low-profile white housing and a durable thermal sensor, it provides accurate and consistent heat detection ideal for residential, commercial, and industrial applications. The 5623 uses a fixed temperature element that triggers the alarm once the set point is reached, ensuring fast response in high-heat scenarios where smoke detection may be insufficient. Compatible with most conventional fire alarm systems, it is UL listed, easy to install, and built for long-term performance. Its unobtrusive design blends seamlessly with interior environments, while the integral mounting bracket offers secure installation. Ideal for areas like kitchens, mechanical rooms, and garages where smoke detectors may cause false alarms.