Fenwal Detect-A-Fire 27121-0 is a 225°F heat detector designed for hazardous-location fire detection. It operates on 125V and triggers an alarm circuit when the ambient temperature reaches the 225°F trip point. The model 27121-0 designation identifies this specific device within Fenwal's Detect-A-Fire line. Intended for hazardous-location environments, this heat detector is suitable for industrial settings where elevated temperatures are used to alert the fire alarm system.
