Notifier FDX-551REM Rate of Rise Heat Detectors
The Notifier FDX-551REM Heat Detector was a Rate of Rise type thermal sensor for use with the Notifier Analogue Addressable range of fire alarm control panels.
The Notifier FDX-551REM Heat Detector is now obsolete and has been replaced by new detectors within the Notifier OPAL range of devices.
The Notifier NFX-TDIFF-IV Heat Detector is the replacement detector. This detector can be used as a like for like replacement that uses the same bases as the FDX-551REM detector. The Notifier NFX-TDIFF-IV Heat Detector also has the same Ivory colour as the Notifier NFX-551REM detector.