Notifier FDX-551HTEM High Heat Detectors
The Notifier FDX-551HTEM Heat Detector was a 78 Degrees Celcius High Temperature Fixed Temperature Thermal Sensor for use with Notifier Analogue Addressable Fire Alarm Systems.
The Notifier FDX-551HTEM Heat Detector is now obsolete and unavailable to order. However there is a like for like replacement which will work as a direct replacement for the FDX-551HTEM detector.
The detector which has replaced the FDX-551HTEM Sensor is the Notifier NFX-TFIX78-IV Heat Detector.
The Notifier NFX-TFIX78-IV Heat Detector is part of the Notifier OPAL range of detectors. It is a 78 degrees celcius fixed temperature high heat detector. The Notifier NFX-TFIX78-IV Heat Detector uses exactly the same base as the old FDX-551HTEM Detectors.