The Notifier FDX-551RE Rate Of Rise Heat Detector has recently been made obsolete. This analogue addressable sensor has been replaced by the Notifier NFX-TDIFF-IV sensor which can be used as a like for like replacement. This sensor has the same off white / ivory colouring as the FDX-551RE sensor, which will match the colour of the base used for the FDX-551RE.
Notifier NFX-TDIFF-IV Part Of Their Heat Detector Range
The Notifier NFX-TDIFF-IV is part of a selection of Notifier Heat Detectors which include both Ivory and Pure White versions. The NFX-TDIFF-IV is a rate of rise heat detector. There are also fixed temperature and high temperature varaints available. These heat detectors should be selected dependent on the environment in which they are to be used.
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