Description
The Fenwal 12 E27121 000 05 Detect A Fire 225°F heat detector is a reliable fixed temperature thermal switch engineered for accurate over temperature and fire detection in commercial, industrial, and HVAC safety applications. Factory set to activate at 225 °F (107 °C), this rugged detector provides dependable signal initiation for fire alarms, safety shutdowns, and suppression system controls.
Key Features
- Fixed temperature heat detector with a 225 °F (107 °C) activation setpoint for precise thermal sensing.
- Close on rise contact action that signals a control system when the temperature threshold is exceeded.
- Vertical mount design with hex brass head for secure installation.
- Durable 300 series stainless steel shell for long lasting performance in harsh environments.
- Hermetically sealed internal contacts protect against contaminants and improve reliability.
- Fast response time index and tight tolerance (about +7 °F/ 8 °F) for dependable activation.
- Factory preset temperature eliminates the need for field calibration.
- Suitable for use with fire panels, suppression release devices, alarm circuits, and HVAC safety shutdown controls.






