The RE-428HR is a reliable conventional heat detector designed to detect abnormal temperature rise and provide early fire alerts in environments where smoke detectors may not be suitable. It offers stable and accurate heat sensing, ensuring dependable fire detection in challenging conditions. Compatible with conventional fire alarm control panels, it performs effectively in areas with dust, smoke, fumes, or humidity, where false alarms from smoke detectors are more likely. Its robust design supports consistent operation and long-term reliability. Ideal for industrial units, kitchens, boiler rooms, parking areas, warehouses, utility spaces, and commercial or institutional buildings where heat-based fire detection is required.